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Author Topic: Cannot connect to one specific website  (Read 21123 times)

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howzer

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Cannot connect to one specific website
« on: March 01, 2012, 01:55:02 AM »
I am having a very frustrating problem with accessing a particular website. The problem: one single computer on my network cannot access this website, while every other computer/device on the same network can reach the site just fine. The computer that cannot reach the site is running Windows 7 Ultimate 64 bit.

- "The connection has timed out. The server at www.ee.hawaii.edu is taking too long to respond."
- Pings to the site are successful, but no browser can open the site (I assume this rules out a DNS issue, as pinging resolves the IP address of the site)
- Even trying to access the site using its IP instead does not work
- I have tried ipconfig /flushdns command, as well as other netsh reset commands
- If I boot off a gentoo linux livedvd, I can reach the site fine. It is just from this windows installation I cannot reach the site
- Other computers connected via ethernet (static ip or dhcp assigned) to the same main router can reach the site, as well as laptops/phones connected via wifi/dhcp
- I do not have windows firewall enabled at the moment, nor any other firewall software installed
- I only have MSE antivirus actively enabled, but have disabled this and still has no effect
- I have boot into safe mode with networking, and still cannot reach the site
- I have run virus/other scans using MSE, malwarebytes, superantispyware, ESET online scan. Nothing of significance has been found, and am still having the problem
- Windows hosts file is clean and in tact, no entries besides the localhost entry
- The browser I use is irrelevant, I cannot reach the site with firefox, IE, chrome
- Have cleared numerous cache/temps, even with CCleaner
- I can browse any other site just fine
- I have been able to reach the site from this computer with current OS in the past

Anyone have any ideas?
« Last Edit: March 01, 2012, 02:43:57 AM by howzer »

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Re: Cannot connect to one specific website
« Reply #1 on: March 01, 2012, 08:59:19 AM »
Quote
- If I boot off a gentoo linux livedvd, I can reach the site fine. It is just from this windows installation I cannot reach the site

It has to do with some settings in windows.
Try this: Make a new user account with normal privileges. Log into that new user and see if the behavior is the same.

It may be a 'parental control' that blocks the site. Try using a proxy to see if that makes a difference. But hard to imagine that anybody would block http://www.ee.hawaii.edu/ for any reason.

http://usproxyserver.info/   <<-- Try this.

Raptor

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Re: Cannot connect to one specific website
« Reply #2 on: March 01, 2012, 09:10:09 AM »
Did you reset your router and modem?

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Re: Cannot connect to one specific website
« Reply #3 on: March 01, 2012, 09:47:59 AM »
Did you reset your router and modem?

Every time I've encountered this problem myself and with people e-mailing in it was resolved by resetting the router and modem (e.g. unplugging waiting and plugging back in) would highly recommend trying this as suggested.
Everybody is a genius. But, if you judge a fish by its ability to climb a tree, it will spend its whole life believing that it is stupid.
-Albert Einstein

howzer

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Re: Cannot connect to one specific website
« Reply #4 on: March 01, 2012, 02:33:38 PM »
I have done most of the obvious, like rebooting the computer, modem, routers (have even started with a fresh router firmware flash)... I have no parental controls (can't even be set for current admin account). As I said, it is not limited to any particular browser. If I create another user account, I still cannot access it from the new account. I can access the site through a proxy.

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Re: Cannot connect to one specific website
« Reply #5 on: March 01, 2012, 02:48:44 PM »
OK. It must be the hosts file.
Code: [Select]
notepad c:\windows\system32\drivers\etc\hostsThe above command will edit the hosts file of your system.
This allows you to get to a site that does not have a DNS entry. Or it can be used to divert or sidetrack  a site. Or block a site.


Raptor

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Re: Cannot connect to one specific website
« Reply #6 on: March 01, 2012, 03:04:58 PM »
OK. It must be the hosts file.
Code: [Select]
notepad c:\windows\system32\drivers\etc\hostsThe above command will edit the hosts file of your system.
This allows you to get to a site that does not have a DNS entry. Or it can be used to divert or sidetrack  a site. Or block a site.

Only useful if the site is actually mentioned in the HOSTS file.

This may help: http://support.microsoft.com/kb/813827

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Re: Cannot connect to one specific website
« Reply #7 on: March 01, 2012, 03:19:33 PM »
Quote
Only useful if the site is actually mentioned in the HOSTS file.
It is.

howzer

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Re: Cannot connect to one specific website
« Reply #8 on: March 01, 2012, 04:39:02 PM »
It is.
It is not. I have already stated that I have checked the windows hosts file. My computer can resolve the IP of the website just fine... (128.171.61.135)

It also is not an IE timeout issue. This problem is not restricted to IE.

GlitchPC

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Re: Cannot connect to one specific website
« Reply #9 on: March 01, 2012, 04:47:49 PM »

- I have been able to reach the site from this computer with current OS in the past

Anyone have any ideas?

Maybe stating the obvious but...if it worked before...System Restore.  Have you tried that?

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    Re: Cannot connect to one specific website
    « Reply #10 on: March 01, 2012, 06:08:39 PM »
    Please reset the ARP of switch from which your problematic system is connected...

    howzer

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    Re: Cannot connect to one specific website
    « Reply #11 on: March 01, 2012, 07:32:45 PM »
    Maybe stating the obvious but...if it worked before...System Restore.  Have you tried that?
    This is not possible.

    Quote from: abu.sayeed
    Please reset the ARP of switch from which your problematic system is connected...
    Do you mean something in the linksys router I am using? I have tried reflashing the firmware back to a clean original state, would this have done as you stated? The problem still persists. I should also probably mention, that the computer plugged directly into the DSL modem with no router used also results in the same thing, unable to access this specific website.

    jason2074



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    Re: Cannot connect to one specific website
    « Reply #12 on: March 01, 2012, 10:22:41 PM »
    You might wanna ask a malware expert in the Virus and Spyware section to check on certain logs. They have special tools to review your system.

    Fed

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      Re: Cannot connect to one specific website
      « Reply #13 on: March 01, 2012, 10:25:10 PM »
      You should also ask the IT Dept at the website if they can throw any light on it.

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      Re: Cannot connect to one specific website
      « Reply #14 on: March 01, 2012, 10:32:40 PM »
      Are you the owner of the network? Do you have full control?
      Time to review the facts.
      It used to be OK.
      The problem is only with
      www.ee.hawaii.edu
        But what about a base  that site? Like http://hawaii.edu
      Other PCs on the network do not have a problem
      Same PC with Linux does not have the problem
      Same PC has the problem direct from modem.

      It is NOT in the hosts file.
      You verified the hosts file role? I mean you are sure tree hosts files is working. There is a prank where the hosts file can be placed in another place. Or even renamed.

      howzer

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      Re: Cannot connect to one specific website
      « Reply #15 on: March 01, 2012, 10:39:46 PM »
      I'm not sure how the problem could be anywhere else except on my end, specifically on this OS. I can browse the site from any other computer on my network, behind the same router. This basically eliminates an ISP/IP ban issue. The computer connected directly to the DSL modem still cannot reach the site, essentially eliminating the router as a problem. This same computer running off a linux livedvd can reach the site, this basically eliminates a hardware issue (ethernet card or whatever else).

      It must be some problem originating from Windows 7 itself somewhere, and I have tried everything I could possibly think of to eliminate any potential causes within Windows itself. I am at a loss as to what else could possibly be causing me to not reach this one website. I am almost positive it is not a virus or other malware problem, and am stumped as to what setting or whatever somewhere could be preventing me loading this site. nslookup resolves the IP fine, it is not a DNS issue. Even using openDNS or google DNS servers do not affect anything. I can ping the site, packets are not lost in ping.

      Quote
      Are you the owner of the network? Do you have full control?
      Time to review the facts.
      It used to be OK.
      The problem is only with
      www.ee.hawaii.edu
        But what about a base  that site? Like http://hawaii.edu
      Other PCs on the network do not have a problem
      Same PC with Linux does not have the problem
      Same PC has the problem direct from modem.

      It is NOT in the hosts file.
      You verified the hosts file role? I mean you are sure tree hosts files is working. There is a prank where the hosts file can be placed in another place. Or even renamed.

      I can reach www.hawaii.edu (128.171.224.100) fine, as it is hosted on a different server than ee.hawaii.edu. I can even reach www.eng.hawaii.edu (128.171.60.178), but it is irrelevant as these are all on different servers. I only need to reach, but cannot access, www.ee.hawaii.edu (128.171.61.135) from this 1 single computer. This is on my home network, so I am able to manipulate anything on my end as such.

      How would I know if Windows is reading from another hosts file~

      Geek-9pm


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      Re: Cannot connect to one specific website
      « Reply #16 on: March 01, 2012, 10:58:33 PM »
      Quote
      I am almost positive it is not a virus or other malware problem, and am stumped as to what setting or whatever somewhere could be preventing me loading this site.

      You have the answer. Did some research. This kind of prank is is commonly called the "Google Redirect Trojan" and has nothing to do with Google, other that Google is site it redirects. But in you case it does not redirect. Just blocks a specific site.

      Why would anybody want to keep you away from one specific site?
      Sounds like a plot for a spy movie. ;D

      To fix this is a major job, so they say. You need the help of Super Dave or somebody as good as he is.

      One theory is that the Trojan alters something just before the any bower starts and then when the browser closes es there is no obvious trail of what it did.

      oldun



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        Re: Cannot connect to one specific website
        « Reply #17 on: March 02, 2012, 12:23:17 AM »
        Have you tried the Windows Network Troubleshooter?
        Oldun

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        Re: Cannot connect to one specific website
        « Reply #18 on: March 02, 2012, 01:15:45 AM »
        Have you tried the Windows Network Troubleshooter?

        Quote
        Troubleshooting was unable to automatically fix all of the issues found. You can find more details below.

        Problems found

        website (www.ee.hawaii.edu) is online but isn't responding to connection attempts.

        Raptor

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        Re: Cannot connect to one specific website
        « Reply #19 on: March 02, 2012, 04:16:26 AM »
        It is not. I have already stated that I have checked the windows hosts file. My computer can resolve the IP of the website just fine... (128.171.61.135)

        It also is not an IE timeout issue. This problem is not restricted to IE.

        I think Firefox might rely on the same settings.

        Don't knock it till you tried it.

        howzer

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        Re: Cannot connect to one specific website
        « Reply #20 on: March 02, 2012, 04:46:06 AM »
        I think Firefox might rely on the same settings.

        Don't knock it till you tried it.
        I meant to say that I did attempt it, but it had no effect. The registry key was not present, but I added it as per the MS article, it did nothing.
        Also, reading through that article, it seems more pertinent to already established connections, and does not assist with establishing the initial connection to a website.

        I have also tried to add a ReceiveTimeout DWORD entry from another MS article, set to 6 minutes, also no effect.
        The page attempts to connect, and times out after roughly 20 seconds.

        Raptor

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        Re: Cannot connect to one specific website
        « Reply #21 on: March 02, 2012, 04:56:15 AM »
        I meant to say that I did attempt it, but it had no effect. The registry key was not present, but I added it as per the MS article, it did nothing.
        Also, reading through that article, it seems more pertinent to already established connections, and does not assist with establishing the initial connection to a website.

        Was curious if it applied to setting up a connection as well.

        Because you can ping but not resolve the domain it would seem there's some sort of problem with your local DNS settings.

        Are you using DHCP? Have you tried to to reinstall the NIC? Have you tried to shutdown the NIC and enable it again?

        What if you empty the DNS cache by going into cmd -> ipconfig /flushdns ?

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          Re: Cannot connect to one specific website
          « Reply #22 on: March 02, 2012, 02:21:44 PM »
          Quote
          website (www.ee.hawaii.edu) is online but isn't responding to connection attempts.
          I would contact the site admin.

          howzer

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          Re: Cannot connect to one specific website
          « Reply #23 on: March 02, 2012, 03:22:53 PM »
          I would contact the site admin.
          Could you explain how it could be the website if the same computer on a different OS can access it, and other computers on the same network can reach it?

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          Re: Cannot connect to one specific website
          « Reply #24 on: March 02, 2012, 03:27:14 PM »
          IP being blocked?

          howzer

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          Re: Cannot connect to one specific website
          « Reply #25 on: March 02, 2012, 03:48:51 PM »
          IP being blocked?
          If I were IP blocked my entire network would be blocked.

          GlitchPC

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          Re: Cannot connect to one specific website
          « Reply #26 on: March 02, 2012, 03:55:22 PM »
          Not necessarily...

          The site may be blocking a specific IP and not the entire network.  Each PC on the network has its own IP.  The site can block a specific IP, as well as a list of IPs from a specific network...or, the entire network.  Have you considered this possibility?

          Have you done what Fed suggested and contacted the site's Admin?

          Raptor

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          Re: Cannot connect to one specific website
          « Reply #27 on: March 02, 2012, 04:02:00 PM »
          Not necessarily...

          The site may be blocking a specific IP and not the entire network.  Each PC on the network has its own IP.  The site can block a specific IP, as well as a list of IPs from a specific network...or, the entire network.  Have you considered this possibility?


          That would only apply if the disabled NAT and leased a unique IP-address for each and every machine. You must be thinking of a MAC address which the site owner should not be able to see.

          GlitchPC

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          Re: Cannot connect to one specific website
          « Reply #28 on: March 02, 2012, 04:08:58 PM »
          I stand corrected.  Yet...with all the OP has done and what has been suggested to no resolve....what else could it be?

          howzer

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          Re: Cannot connect to one specific website
          « Reply #29 on: March 02, 2012, 04:31:46 PM »
          Not necessarily...

          The site may be blocking a specific IP and not the entire network.  Each PC on the network has its own IP.  The site can block a specific IP, as well as a list of IPs from a specific network...or, the entire network.  Have you considered this possibility?

          Have you done what Fed suggested and contacted the site's Admin?
          This is not possible. I only get 1 IP from my ISP and the rest of my network is on a private subnet through NAT. If it were MAC address related then my PC would not connect with linux.

          There must be something in windows or something preventing me.... but what?

          Fed

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            Re: Cannot connect to one specific website
            « Reply #30 on: March 02, 2012, 04:34:01 PM »
            My firewall can see MAC addresses and I believe it can 'stop active responses' if I paid for the full version. (Call me cheap LOL)

            Perhaps your different OS browser doesn't send as much info when you make a http request howzer?
            Same could be said for pings as well.

            It seems to me that if you can get to the site via a proxy then there's something about what is being sent from your computer that the site refuses to respond to.

            I'd email them if only to remove this as a possibility.

            Raptor

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            Re: Cannot connect to one specific website
            « Reply #31 on: March 03, 2012, 04:48:06 AM »
            This is not possible. I only get 1 IP from my ISP and the rest of my network is on a private subnet through NAT. If it were MAC address related then my PC would not connect with linux.

            There must be something in windows or something preventing me.... but what?

            You seem to not have answered one of my posts on page 2..

            Geek-9pm


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            Re: Cannot connect to one specific website
            « Reply #32 on: March 03, 2012, 04:40:41 PM »
            You seem to not have answered one of my posts on page 2..
            Yes, and he has not said anything about doing a MalWware scan.
            Quote
            You should check your computer for one of those sneaky DNS Changer malwares that modify system in order to redirect most of the victim’s traffic to the services attacker needs. The one we are talking about, Rove, has managed to infect around four millions of computers since the beginning of 2008. With its help, scammers get unlimited power over the compromised machine – they can replace download requests for a certain software, reorder search results and even exchange the ads that are displayed to you.
            You should check your PC for DNS Changer malware

            howzer

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            Re: Cannot connect to one specific website
            « Reply #33 on: March 04, 2012, 12:41:52 AM »
            You seem to not have answered one of my posts on page 2..
            Exactly which question? I stated in the original post about ipconfig /flushdns. The ethernet is a realtek one integrated in the motherboard. I have tried completely uninstalling the device and reinstalling with newer drivers. I statically assign IPs on my network, but it makes no difference what configuration I use. You appear to think I have a local DNS problem, when I feel I have shown it is not a DNS issue.

            Quote
            Yes, and he has not said anything about doing a MalWware scan.
            Did I not? I have run numerous, and have stated as such. I cannot even reach the site with its IP address, how is this a DNS malware issue?
            « Last Edit: March 04, 2012, 12:54:03 AM by howzer »

            GlitchPC

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            Re: Cannot connect to one specific website
            « Reply #34 on: March 04, 2012, 12:53:40 AM »
            Quote
            I have run virus/other scans using MSE, malwarebytes, superantispyware, ESET online scan. Nothing of significance has been found, and am still having the problem

            What do you mean here?  "Nothing of significance"?

            If all normal means of trying to get this computer to access a certain web page have failed...shouldn't that be telling you something?

            Begin here:  Read this before requesting malware removal help

            howzer

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            Re: Cannot connect to one specific website
            « Reply #35 on: March 04, 2012, 12:54:36 AM »
            What do you mean here?  "Nothing of significance"?

            If all normal means of trying to get this computer to access a certain web page have failed...shouldn't that be telling you something?

            Begin here:  Read this before requesting malware removal help
            Nothing of significance, as in no trojans, spyware, viruses, anything found beyond typical tracking cookies. What more can I run?

            GlitchPC

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            Re: Cannot connect to one specific website
            « Reply #36 on: March 04, 2012, 12:58:36 AM »
            My firewall can see MAC addresses and I believe it can 'stop active responses' if I paid for the full version. (Call me cheap LOL)

            Perhaps your different OS browser doesn't send as much info when you make a http request howzer?
            Same could be said for pings as well.

            It seems to me that if you can get to the site via a proxy then there's something about what is being sent from your computer that the site refuses to respond to.

            I'd email them if only to remove this as a possibility.

            You haven't replied to this, either.

            howzer

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            Re: Cannot connect to one specific website
            « Reply #37 on: March 04, 2012, 01:04:01 AM »
            You haven't replied to this, either.
            I am currently in correspondence with the system administrator, but even she feels it is unlikely that the problem could possibly be on their end, given that other computers on my network can access the site (no IP ban) and that linux on the same computer can reach the website. She is willing to work with me on this problem though:

            Quote
            I do not know of anything on the server that would prevent you from reaching the site (but I of course, could be wrong).  I suppose it's possible you could be listed as one of the Evil Monsters (machines that have been identified as attacking our systems) on my firewall, but I am assuming from your comments before that the other computers in your network (which can access the site) appear to come from the same external IP.  Nonetheless, do you know the external IP of your machine?   (Go to speedtest.net, look down in lower left corner)    Is it the same for the other machines that can reach the site?
             
            Which browser(s) have you tried?
            Is it possible you could have accidentally added it to the list of "Restricted sites" (in Internet Explorer: Internet Options > Security)?
             
            Do you have a firewall on your machine?  If so, have you checked it's settings?
             
            Can you ping www.ee.hawaii.edu  ?
            Can you ping 128.171.61.135   ?
            If not, can you ping yahoo.com  ?
             
            Can you browse to http://128.171.61.135/index.php     ?
            Can you browse to http://128.171.61.135/index.html    ?   (Should just say "It works")
             
            Hopefully we can get to the bottom of this, whether it's your machine or mine!  Ultimately what we learn may help others.

            I have relayed the exact same information to her, but it so likely appears to be a problem specifically on my OS/hardware...


            I just feel that the likelihood of it being some random setting or error somewhere is higher than some random malware blocking 1 obscure server among several school servers... I won't say that I'm ruling out the possibility, but I'm not sure what I can do beyond what I have already done to eliminate malware as the definite cause.
            « Last Edit: March 04, 2012, 01:14:42 AM by howzer »

            Fed

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              Re: Cannot connect to one specific website
              « Reply #38 on: March 04, 2012, 01:56:51 AM »
              It sounds like you are on a winner with the site's admin howzer.
              I agree if you can browse every other site on the planet aside from this one then it's highly unlikely to be a virus or dns issue and a full virus cleanup does take a fair bit of time.

              Quote
              Can you browse to http://128.171.61.135/index.php     ?
              Can you browse to http://128.171.61.135/index.html    ?   (Should just say "It works")
              So what was the outcome of the above?

              Fed

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                Re: Cannot connect to one specific website
                « Reply #39 on: March 04, 2012, 02:11:19 AM »
                Just an after thought, did you make the site's admin aware of your trouble shooter results?
                Quote
                Troubleshooting was unable to automatically fix all of the issues found. You can find more details below.

                Problems found

                website (www.ee.hawaii.edu) is online but isn't responding to connection attempts.
                To me that says it all, DNS is good, your browser has sent a html request but the site is not responding, nothing wrong on your end.

                howzer

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                Re: Cannot connect to one specific website
                « Reply #40 on: March 04, 2012, 02:24:29 AM »
                So what was the outcome of the above?
                I cannot reach either page (both time out).

                I have extended most/all info that I have presented in this thread to her including the troubleshooter outcome. We'll see what she has to say. I'll be quite surprised if it turns out to be on the server's end :)
                « Last Edit: March 04, 2012, 02:38:28 AM by howzer »

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #41 on: March 04, 2012, 02:38:50 AM »
                Just for kicks and giggles...

                Could you, please, do the following for us?

                Go to your Network Connections/Local Area Connection Properties on the problem PC and post screenshots of the following:
                • Internet Protocol (TCP/IP) Properties
                • Advanced TCP/IP Settings/IP Settings
                • Advanced TCP/IP Settings/DNS
                • Advanced TCP/IP Settings/WINS
                • Advanced TCP/IP Settings/Options/TCP/IP Filtering/Properties

                Since this is a Windows 7 machine...and mine is currently not with me...I'm not sure of the correct paths to those settings, above.  However, I'm assuming you are...and can provide us with the necessary screenshots.

                Thanks, in advance...

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #42 on: March 04, 2012, 02:57:52 AM »
                In addition...I have done some research and may have a solution but, this involves editing the C:\Windows\system32\drivers\etc\hosts file.

                Take a look here:  http://www.sevenforums.com/browsers-mail/14510-cant-access-website-2.html#post1389200

                I'm not sure if you have already tried this...but, it can't "hoit".   ;)

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                Re: Cannot connect to one specific website
                « Reply #43 on: March 04, 2012, 03:04:09 AM »
                GlitchPC,
                There are a large number of things he has not done.
                For one, he never gave  specific information about the machine he has. Or I missed it.

                He can physically remove the Ethernet adapter from the machine. Then poser up without it. Then shut down and install a different make of Ethernet adapter. Install new drivers. Do the Newark wizard all over again. This should force Windows to do all settings over again.

                He says he checked for malicious software. Did he? I said earlier that he should go to Super Dave in the virus section and go through the steps.

                Newcomers forget, o never know., that AV software might catch about 80 percent of the stuff out there. The rest have to be caught by manual study of the logs of every bit of software that might have a unknown infection.

                Another option is to restore his system to a date several days before this started.

                Or, he could just re-install his entire OS. The would take less time than what he has spent on this thread.

                If he can get to the site anyway, by using Linux, then there is not much point in trying to untangle this knot.

                I guess a co-student did a prank on him.  ;D

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #44 on: March 04, 2012, 03:15:22 AM »
                Geek-9pm (unusual username, btw)... ;)

                Well...he has told us it's a Windows 7 machine in his first post.

                As far as the network adapter...I'm not sure if he's updated the drivers, or not...I may have missed this in the topic.  Whether or not he's tried a different network adapter...I don't know this, either.

                A couple of us have already referred him to the Malware section of this board, too.

                I know I have already told him about System Restore...which he has replied, "This is not possible".

                A prank?  Maybe...one never knows.   ;D

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                Re: Cannot connect to one specific website
                « Reply #45 on: March 04, 2012, 03:28:39 AM »
                Quote
                I know I have already told him about System Restore...which he has replied, "This is not possible".

                That is an odd answer. It is almost as if the joke is on us, not him.

                FYI:
                Quote
                    What Should I Do?
                In addition to directing your computer to utilize rogue DNS servers, the DNSChanger
                malware may have prevented your computer from obtaining operating system and anti-
                malware updates, both critical to protecting your computer from online threats. This
                behavior increases the likelihood of your computer being infected by additional malware.
                The criminals who conspired to infect computers with this malware utilized various methods
                to spread the infections. At this time, there is no single patch or fix that can be downloaded
                and installed to remove this malware.
                Individuals who believe their computer may be
                infected should consult a computer professional.   
                Individuals who do not have a recent back-up of their important documents, photos, music,
                and other files should complete a back-up before attempting to clean the malware or utilize
                the restore procedures that may have been packaged with your computer.
                Information regarding malicious software removal can be found at the website of the United
                States Computer Emergency Readiness Team:
                https://www.us-cert.gov/reading_room/trojan-recovery.pdf.
                Now I do not know if he has the DNSChanger or one of its variants. Notice that part I underlined. If the Mal ware is of that type, both detection and removal are beyond the skill level of a newcomer.

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #46 on: March 04, 2012, 03:36:44 AM »
                This being the case (as far as a Malware infection goes)...why does it only affect one website...and not others?  It should affect all sites he visits...true?

                This is why I want him to post those screenshots...

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                Re: Cannot connect to one specific website
                « Reply #47 on: March 04, 2012, 04:40:59 AM »
                And that is why I think it is a prank. If he really is newbie to computer stuff, one of his classmates could fool him into thinking is not a bit of malicious software.  A variant of that kind of thing could have be duplicated by a clever student and placed in his system inn such a was as to evade detection.

                I am not going ton explain how easy nit nis to fool a newbie to not look in the right places. For one, it is contrary to CH policies to encourage or revel how pranks are carried off. Also, I don't know how it was done.

                The fact that he can get there on other machines and the fact that Linux and get to the site makes it rather clear that it has to be inside Windows 7 somehow.

                Without knowing the details of his setup, it is hard to guess.I wonder if he has full administrative rights on his machine?

                howzer

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                Re: Cannot connect to one specific website
                « Reply #48 on: March 04, 2012, 04:58:19 AM »
                I am unable to do a system restore because I do not have a restore point back to before the problem is known to have begun. You may not agree with it, but I do not enable system restore, and as such it is not something I can resort to. The suggestions you guys are making are beginning to get a bit unreasonable, I have stated my facts and observances, I am not here to "trick" anyone... I have a legitimate problem I am trying to resolve. Many of the things you both have suggested I have already accounted for, and several things can already be ruled out...

                The computer I am using is self-built, if you must know the hardware details then I can present them, otherwise I don't believe they are relevant to this problem at all. The ethernet card is integrated on the motherboard as I have stated in a previous post. I have updated to current drivers, which had no effect on the problem. Could you please suggest one of the "large number of things" I have failed to do already, I really am open to trying legitimate possible solutions... Reinstalling the OS is out of the question, and is not a reasonable solution to a problem. At this point I am going to continue working with the server administrator to determine if that is a possibility or not.

                Windows 7 does not include IP filtering options in TCP/IP settings anymore, I believe they are now a function of windows firewall.



                Site loading on my wife's Kindle connected via wifi to same router as main computer, screen in background is main computer in question on the exact same network:
                « Last Edit: March 04, 2012, 05:52:17 AM by howzer »

                Raptor

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                Re: Cannot connect to one specific website
                « Reply #49 on: March 04, 2012, 05:05:42 AM »
                Quote
                You may not agree with it, but I do not enable system restore,

                I fully agree with that! System restore is a horrible way of "solving" problems. I always disable it on my client's computers because I don't want them to roll back to a wonky period of their Windows by accident. (Or on purpose in the name of "solving problems themselves")

                Can you connect to the website in question through a proxy or an anonymizer website?
                A good way to try it would be to use ixquick.com, search for http://www.ee.hawaii.edu/ and then click "proxy" in the search results.

                Or are you currently using a proxy? Disable that under tools -> options ->  network -> settings -> No Proxy



                howzer

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                Re: Cannot connect to one specific website
                « Reply #50 on: March 04, 2012, 05:13:22 AM »
                I am not currently using a proxy, and yes I am able to connect to the site via a proxy/anonymous browsing site.

                It is currently the weekend, so I may not hear back from the sys admin until Monday. I will update with information from them as it comes.

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #51 on: March 04, 2012, 05:19:42 AM »
                Quote
                The suggestions you guys are making are beginning to get a bit unreasonable...

                I can understand why you may feel this way but, at no time did I think any of my suggestions were "unreasonable"...to the contrary...I think they were quite reasonable based on your current status.  Troubleshooting may not be as easy as one may expect...and we only ask you bear with us.

                Thank you for posting the screenshots...

                Have you tried using a different DNS server?  Have you tried obtaining the IP address automatically?  I apologize, in advance if this has been stated before...by you.

                howzer

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                Re: Cannot connect to one specific website
                « Reply #52 on: March 04, 2012, 05:27:13 AM »
                Yes I have tried using OpenDNS and Google DNS, but there is not a problem with my ISP's supplied DNS in resolving domain names... I don't think it would make any difference in this situation using statically assigned IP and DNS addresses vs DHCP configured by the router, but yes I have tried this to no avail.

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #53 on: March 04, 2012, 05:29:17 AM »
                Scratching my head...

                howzer

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                Re: Cannot connect to one specific website
                « Reply #54 on: March 04, 2012, 05:32:28 AM »
                Scratching my head...

                How do you think I feel..  :-X

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #55 on: March 04, 2012, 05:40:29 AM »
                LOL!  I hear ya, bud!  The good thing is...you've done most steps to resolve the issue on your end...and you've contacted the site owner.  This, I believe...will more than likely be the root cause as previously stated.

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #56 on: March 04, 2012, 05:49:15 AM »
                howzer...

                Is IPv6 enabled on this computer?  If yes...have you tried disabling that and trying?

                Raptor

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                Re: Cannot connect to one specific website
                « Reply #57 on: March 04, 2012, 05:56:50 AM »
                Out of curiosity what happens when you fill out the complete address instead of just ee.hawaii.edu? http://www.ee.hawaii.edu/

                howzer

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                Re: Cannot connect to one specific website
                « Reply #58 on: March 04, 2012, 05:58:43 AM »
                howzer...

                Is IPv6 enabled on this computer?  If yes...have you tried disabling that and trying?
                It is enabled, and disabling it has no effect.

                Quote
                Out of curiosity what happens when you fill out the complete address instead of just ee.hawaii.edu? http://www.ee.hawaii.edu/
                Haha, sadly no difference :(


                I appreciate the help guys, I seriously have never had such a bizarre and frustrating problem given the circumstances~

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #59 on: March 04, 2012, 06:03:11 AM »
                I have to ask...

                Does this particular computer use or, has used any IP blocker software...or P2P software?

                howzer

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                Re: Cannot connect to one specific website
                « Reply #60 on: March 04, 2012, 06:06:30 AM »
                I have to ask...

                Does this particular computer use or, has used any IP blocker software...or P2P software?
                Never used any type of IP blocker. I use nothing beyond bittorrent, which I have been using far longer than this problem has been present.

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #61 on: March 04, 2012, 06:12:19 AM »
                I haven't given up on you, howzer... ;D

                How about this?
                Quote
                Your router could be attempting to proxy DNS requests and failing. Refer to the documentation that came with your router for instructions on disabling DNS proxying.

                The above is from Microsoft...

                Salmon Trout



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                Re: Cannot connect to one specific website
                « Reply #62 on: March 04, 2012, 06:14:08 AM »
                I think it is a prank.

                I am seriously wondering this.

                Raptor

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                Re: Cannot connect to one specific website
                « Reply #63 on: March 04, 2012, 06:17:14 AM »
                It still sounds to me like the router's DNS cache needs to be emptied because the router and/or modem wasn't properly reset but I'm curious what the webmaster has to say.

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #64 on: March 04, 2012, 06:21:48 AM »
                Not sure if this has been asked either, howzer...

                Is there any other hardware being used in your network setup, other than a router and modem?

                howzer

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                Re: Cannot connect to one specific website
                « Reply #65 on: March 04, 2012, 06:27:12 AM »
                I'm running dd-wrt on my router, which uses dnsmasq as my local dns and dhcp server. I believe killing and restarting the dnsmasq process is sufficient to clear its dns cache, which I have attempted to do. I think restarting the router and the DSL modem would also achieve this? These had no effect :\ I suppose I can only wait to hear from the other end at this point.

                ISP -> DSL modem -> dd-wrt router -> computers/devices is all that makes up my network :)
                If I haven't stated already, I have also tried with computer connected directly to DSL modem (DHCP direct from ISP), same result.
                « Last Edit: March 04, 2012, 06:43:47 AM by howzer »

                Raptor

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                Re: Cannot connect to one specific website
                « Reply #66 on: March 04, 2012, 06:45:01 AM »
                Yeah, restarting it should effectively clear any caches on any default firmware. Never worked with DD-WRT, though. However, since the problem also occurs when you connect directly to your modem we can obviously rule out the router.

                Could you do a tracert on ee.hawaii.edu and post the results?

                GlitchPC

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                Re: Cannot connect to one specific website
                « Reply #67 on: March 04, 2012, 08:20:01 AM »
                Upon further investigation, I've come across some additional information.  While this may/may not apply to you, howzer...I still feel it may be worth looking into.

                You stated...and I quote:
                Quote
                The ethernet is a realtek one integrated in the motherboard. I have tried completely uninstalling the device and reinstalling with newer drivers.

                Where did these drivers come from?

                There is the possibility some settings changed in Windows 7 as a result of installing these "newer" drivers.

                What I'd like you to do is check your network adapter's Advanced Settings tab to see if Large Send Offload (IPv4) is enabled.  If it is...try disabling it to see if this has any effect.

                Look forward to your reply...


                Edit...

                If the above does not work...here's something else you may want to look into:  Change your MTU under Vista or Windows 7

                Now...I'm not simply grasping at straws here....I'm just trying to rule out any other possibilities which may be related to your issue.
                « Last Edit: March 04, 2012, 09:07:27 AM by GlitchPC »

                howzer

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                Re: Cannot connect to one specific website
                « Reply #68 on: March 04, 2012, 04:14:48 PM »
                Traceroute fails after about 4 hops, however I believe this is inconclusive as this is the case with all my windows computers (as if ICMP packets are being blocked somewhere along the route). Does anyone know of maybe a traceroute application that uses UDP I can quickly grab somewhere?

                I used the drivers provided by my motherboard manufacturer, and are written by realtek.

                Large Send Offload (IPv4) is enabled, while Large Send Offload v2 (IPv4) is disabled.
                Disabling both did not have an effect. Disabling "v1" and enabling v2 also did not help.

                Using ping www.ee.hawaii.edu -f -l 1472 is successful, and the site suggests an MTU change is not necessary if this is the case, (it is on default MTU=1500 currently).

                Raptor

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                Re: Cannot connect to one specific website
                « Reply #69 on: March 04, 2012, 04:45:51 PM »
                Quote
                Traceroute fails after about 4 hops, however I believe this is inconclusive as this is the case with all my windows computers (as if ICMP packets are being blocked somewhere along the route). Does anyone know of maybe a traceroute application that uses UDP I can quickly grab somewhere?

                But it at least leaves the local network, right?

                Could you perhaps list all the installed software with Belarc advisor?

                howzer

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                Re: Cannot connect to one specific website
                « Reply #70 on: March 04, 2012, 05:16:46 PM »
                Yes it does make it out of my network at least.

                http://pastebin.com/tfJWU5id

                Raptor

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                Re: Cannot connect to one specific website
                « Reply #71 on: March 04, 2012, 05:51:39 PM »
                That looks O.K.

                Well, I'm stumped. Wondering what the administrator will have to say about it.

                Out of curiosity: are your proxy settings set to "auto-detect proxy"? or "no proxy"?

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                Re: Cannot connect to one specific website
                « Reply #72 on: March 04, 2012, 06:13:58 PM »
                ...
                Well, I'm stumped. Wondering what the administrator will have to say about it.
                ...
                Who is the  administrator? Is this LAN not his own? Do other people have administrative control of the OPs computer?

                In no longer understand the point of this thread. Why not just fix it and be done with it. In the computer is his, and he is the owner of the network, he has the authority to fix the problem without knowing what the problem is. He already stated that the problem is NOT with Linux on the same hardware.

                He says it works OK with a proxy.  Build a proxy. Problem fixed.
                 

                howzer

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                Re: Cannot connect to one specific website
                « Reply #73 on: March 04, 2012, 06:27:42 PM »
                Out of curiosity: are your proxy settings set to "auto-detect proxy"? or "no proxy"?

                They are set to use "do not use a proxy" in my browsers. Does this type of setting exist elsewhere in the OS, and besides IE's "internet options" in control panel?


                Who is the  administrator? Is this LAN not his own? Do other people have administrative control of the OPs computer?

                In no longer understand the point of this thread. Why not just fix it and be done with it. In the computer is his, and he is the owner of the network, he has the authority to fix the problem without knowing what the problem is. He already stated that the problem is NOT with Linux on the same hardware.

                He says it works OK with a proxy.  Build a proxy. Problem fixed.

                It appears there may be other things you are not understanding in this thread. Also, a workaround =/= a solution.

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                Re: Cannot connect to one specific website
                « Reply #74 on: March 04, 2012, 06:58:22 PM »
                Quote
                It appears there may be other things you are not understanding in this thread. Also, a workaround =/= a solution.

                No, a workaround is a solution. But a workaround is not an answer to question or a puzzle. . You are looking nor the definitive answer to a problem. You are  asking 'Why' and 'How' rather that getting the issue out of sight.

                But if you what to know more, great. I respect that. Keep at in and you will in time find the specific bit of software inside of Windows 7 that does that sort of thing. Then the question will be; 'Who did it?'

                The software may  not show in a virus scan. Buy it can be found by human Mal ware trackers. They can spot a new program that is not part of the regular Windows 7 package. How those guys can sport that is beyond me. They are the same guys that can do core dumps during a lunch break.

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                  Re: Cannot connect to one specific website
                  « Reply #75 on: March 04, 2012, 07:02:00 PM »
                  IE's "internet options" in control panel are the same as the internet options within the program, change one and the other is changed I think, not tested.

                  I still think it's the site.
                  Would you consider changing your MAC address as a test?


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                  Re: Cannot connect to one specific website
                  « Reply #76 on: March 04, 2012, 07:40:51 PM »
                  Just for a test, try these:
                  http://palms.help9pm.com
                  http://hawaii.help9pm.com

                  The first goes to psalms.com which has noting to do with help9pm.com

                  The second goes to http://www.ee.hawaii.edu
                  But the address is not masked, so it may not work.

                  Sort of, kinda like tinyurl

                  jason2074



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                  Re: Cannot connect to one specific website
                  « Reply #77 on: March 04, 2012, 07:54:10 PM »
                  Both modem and router connections in home network have been unsuccessful in accessing the website for the OP. I don't see any details from the router, computer and operating system yet. Have you tried the winsock and reset hosts file?

                  howzer

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                  Re: Cannot connect to one specific website
                  « Reply #78 on: March 04, 2012, 10:27:07 PM »
                  Just for a test, try these:
                  http://palms.help9pm.com
                  http://hawaii.help9pm.com

                  The first goes to psalms.com which has noting to do with help9pm.com

                  The second goes to http://www.ee.hawaii.edu
                  But the address is not masked, so it may not work.

                  Sort of, kinda like tinyurl

                  The first link goes to www.palms.com successfully. The second link times out as usual. What exactly was this operation testing?


                  Quote
                  Both modem and router connections in home network have been unsuccessful in accessing the website for the OP. I don't see any details from the router, computer and operating system yet. Have you tried the winsock and reset hosts file?

                  I believe I have covered these in this thread.

                  Geek-9pm


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                  Re: Cannot connect to one specific website
                  « Reply #79 on: March 04, 2012, 11:11:27 PM »
                  howzer,
                  The two links I gave are plain HTML redirects.
                  The first was OK for you, but the second was not OK for you.

                   For he nest of us both redirects work.

                  I am going to do another in a frame and see what happens.

                  GlitchPC

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                  Re: Cannot connect to one specific website
                  « Reply #80 on: March 04, 2012, 11:18:32 PM »
                  In order to prevent this from getting a little heated...I think we should wait to hear what response howzer gets from the admin of the site in question.

                  Our attempts to help seem to be a race toward futility.  I know if I was getting nowhere after 6 pages of replies...I might get a little disappointed.  Not only as an OP but, as one who has tried to help, as well.

                  Let's give it a rest to see what the site owner says...unless someone has had a vision.

                  howzer

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                  Re: Cannot connect to one specific website
                  « Reply #81 on: March 04, 2012, 11:26:08 PM »
                  IE's "internet options" in control panel are the same as the internet options within the program, change one and the other is changed I think, not tested.

                  I still think it's the site.
                  Would you consider changing your MAC address as a test?
                  Ya at this point I'm going to just wait and see what she has to say. Hopefully new information will arrive tomorrow.

                  Geek-9pm


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                  Re: Cannot connect to one specific website
                  « Reply #82 on: March 04, 2012, 11:38:57 PM »
                  My DNS does not allw this, but it seems to work elsewhere

                  http://aloha.help9pm.com

                  is a redirect masked from the browser. Does it work for you?



                  Raptor

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                  Re: Cannot connect to one specific website
                  « Reply #83 on: March 05, 2012, 06:52:16 AM »
                  Hawaii website is down for me as well now. Maybe their hardware is just wonky.

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                  Re: Cannot connect to one specific website
                  « Reply #84 on: March 05, 2012, 12:18:37 PM »
                  I am mad.  At myself, because I have not been any help at all on this topic and had been steering things in the wrong direction.

                  The OP is running Windows 7.  It is his own computer and he has access to both the modem and the router.  And one or more other PCs on the network do  not have problem with the web site blocking issue.
                  Windows 7 does have  filters  to block a single web site and even a subdomain of that site.  Some documents claim it is in the hosts  file. That is true, but apparently more is involved. In addition to the built-in filters inside  Windows 7 there are a number of third party packages that can accomplish the same thing in such a way that the user has no idea what's going on.  This is necessary in a business environment and also for home network owners  that was to control content members of the household are viewing.
                  I am very sorry for the confusion I have thrown into the subject earlier.  It did not help one bit.  I spent some time looking over the Windows 7 forms and this issue is more widespread than what one would think.  Some users complain that they do about how the trend that filtering on, and others complain that they do about how to turn it off.  In either case, it appears that the Windows 7 web site filter blocker is somewhat difficult to manage.  But it might be that is exactly the way it supposed to be.
                  Again, my apologies for not contributing anything useful for this thread. This was by dictation. Excuse the mishaps.
                  EDITS made.

                  howzer

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                  Re: Cannot connect to one specific website
                  « Reply #85 on: March 13, 2012, 01:23:24 AM »
                  I haven't quite disappeared  :-\, and am continuing to work with the admin. She gave me some clues about the nature of the server, with the fact that its firewall blocks all traffic besides http/https and ping requests. Perhaps my computer is requesting a different type of traffic/page request or some authentication reply. As suggested, I accessed the page with https://128.171.61.34 and should have reached an IIS page (which I was able to). However, the original problem still remains. I hope we can solve this soon... I wonder how I can determine if my computer is trying to do something besides normal http~

                  Geek-9pm


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                  Re: Cannot connect to one specific website
                  « Reply #86 on: March 13, 2012, 01:59:04 AM »
                  Quote
                  .. firewall blocks all traffic besides http/https and ping requests.
                  On my laptop running XP and FireFox:
                  https://128.171.61.34
                  Gives and error message, certificate is not valid or out of date
                  ...and if I try:
                  http://128.171.61.34
                  Times out. (This might mean my DNS is blocking the site.) Or maybe that IP is only for https.

                  Anyway, now I am thinking there is something odd about the site. But the fact that other machines can get in would suggest it is your OS.


                  Raptor

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                  Re: Cannot connect to one specific website
                  « Reply #87 on: March 13, 2012, 05:17:42 AM »
                  I haven't quite disappeared  :-\, and am continuing to work with the admin. She gave me some clues about the nature of the server, with the fact that its firewall blocks all traffic besides http/https and ping requests. Perhaps my computer is requesting a different type of traffic/page request or some authentication reply. As suggested, I accessed the page with https://128.171.61.34 and should have reached an IIS page (which I was able to). However, the original problem still remains. I hope we can solve this soon... I wonder how I can determine if my computer is trying to do something besides normal http~

                  Search for Fiddler2 and have it capture traffic. Analyze and report any odd results.

                  howzer

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                  Re: Cannot connect to one specific website
                  « Reply #88 on: March 13, 2012, 04:54:40 PM »
                  Ya I just noticed it was .34 rather than .135.

                  Raptor

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                  Re: Cannot connect to one specific website
                  « Reply #89 on: March 13, 2012, 05:26:58 PM »
                   ???

                  Fed

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                    Re: Cannot connect to one specific website
                    « Reply #90 on: March 13, 2012, 06:21:05 PM »
                    I would download a fresh Firefox.

                    I'd set IE back to all default settings.

                    I'd then uninstall all browsers including IE via the control panel.

                    Then I'd run ccleaner, both the cleaner & registry cleaner.

                    Then I'd install the downloaded Firefox refusing any options to use IE settings.
                    I can't remember if those install options exist in Firefox but I'd be looking for an untainted install.

                    Then I'd test Firefox and if it worked I'd enable IE & test it.

                    Great thread Howzer. :)

                    Fed

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                      Re: Cannot connect to one specific website
                      « Reply #91 on: March 13, 2012, 06:58:38 PM »
                      Quote
                      I have done most of the obvious, like rebooting the computer, modem, routers (have even started with a fresh router firmware flash)
                      Bearing this in mind have you tried resetting the router to factory defaults which I guess is different to rebooting it and a firmware flash may well carry over the current settings too.
                      I just looked at mine it it can be reset to factory defaults via the software & if my memory serves me it also can be reset via a little hole to poke a paper clip in or something.
                      I think I'd try the router before I tried all the browsers in my previous post.

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                      Re: Cannot connect to one specific website
                      « Reply #92 on: March 13, 2012, 08:59:24 PM »
                      Fed, read all the thread. Router was eliminated. If he boots Linux, the problem does not exist.In nis inside Windows.

                      GlitchPC

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                      Re: Cannot connect to one specific website
                      « Reply #93 on: March 21, 2012, 01:18:53 PM »
                      Well...a week has passed.  Wonder what the status of the OP's issue is, now?