I have a issue i can connect to the IIS ftp service on my Local Network 192.168.x.xx but if i try to connect to it externally 80.xxx.xxx.xxx (through internet) i get the 425 error i'm using a 2xxx portinstead of the port 21 normally used for ftp(security reasons) added the exception to Zone Alarm(might have done it incorrectly) AND to my router (portforward) but all have no effect. turning ZA of prevents me from even connected to the ftp locally but if its turned on locally atleast works tried passive and active client settings using fireftp and android app called"fileExpert"both work locally but not over the internet...