valter Posted November 10, 2005 Share Posted November 10, 2005 (edited) I have an odd problem with connecting to FTP servers. All connections times out. Firewall is no problem, because I can't connect even if FW is turned off. Here is my network diagram| INTERNET |-------------| Gateway server - Win2K3 |-----------| Switch |-------| Workstation |Any ideas are welcome Edited November 10, 2005 by klasika Link to comment Share on other sites More sharing options...
cluberti Posted November 10, 2005 Share Posted November 10, 2005 Are you using passive or active (port) transfer mode? Link to comment Share on other sites More sharing options...
alrichey Posted November 10, 2005 Share Posted November 10, 2005 Your ISP could also be blocking port 21 traffic. It could also be the FTP client you are using. Any more details? Link to comment Share on other sites More sharing options...
valter Posted November 11, 2005 Author Share Posted November 11, 2005 My line is open all the way through from my ISP to my router, so that side is OK. I'm affraid that there is something going on on my gateway server. Anyone knows any test for FTP protocol, just to see what happens ... Link to comment Share on other sites More sharing options...
alrichey Posted November 11, 2005 Share Posted November 11, 2005 Try typing telnet COMPUTERNAME 21 at the command prompt, you should get a response from the FTP serverFor example mine says: 220 Serv-U FTP Server v6.1 for WinSock ready... Link to comment Share on other sites More sharing options...
valter Posted November 14, 2005 Author Share Posted November 14, 2005 Try typing telnet COMPUTERNAME 21 at the command prompt, you should get a response from the FTP serverFor example mine says: 220 Serv-U FTP Server v6.1 for WinSock ready...well for some reason I don't get the response from server ... Link to comment Share on other sites More sharing options...
alrichey Posted November 14, 2005 Share Posted November 14, 2005 Hi, either your gateway or your ISP is blocking port 21 then. Link to comment Share on other sites More sharing options...
cluberti Posted November 14, 2005 Share Posted November 14, 2005 More than likely, it's the ISP providing the internet line to your Gateway server site hosting the FTP site that is blocking port 21. Consider changing the FTP port that the FTP server is using and see if your FTP transfer works on that different port - it should. Link to comment Share on other sites More sharing options...
valter Posted November 15, 2005 Author Share Posted November 15, 2005 I have no ftp servers on my LAN, and my ISP says that all my ports are open, so I'm targeting my gateway server as potentional problem ... Link to comment Share on other sites More sharing options...
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