> The DIR command is the first command that needs to use the data channel, > failure usually means the new data TCP connection has been blocked by a > firewall or NAT routing has failed to find a route.
It might be possible, we have very restrictive firewall. Is there any way how to detect which port it is trying to use so I can allow them? > Some firewalls have trouble with secure FTP since they can not change the > Passive Mode IP address reported in the control channel, a private > 10.x.x.x range in your case. Is the server on the same subnet? No, ftp is on internet. > Does FileZilla work from the same PC to the same FTP server using SSL? FileZilla fails too: Status: Connecting to ************:2990... Status: Connection established, initializing TLS... Status: Verifying certificate... Status: TLS/SSL connection established, waiting for welcome message... Response: 220 EFT Server 6.2.1 Build 03.04.2010.1 Command: USER *** Response: 331 Password required for *** Command: PASS ******** Response: 230 Login OK. Proceed. Command: PBSZ 0 Response: 200 PBSZ Command OK. Protection buffer size set to 0. Command: PROT P Response: 200 PROT Command OK. Using Private data connection Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" is current folder. Command: TYPE I Response: 200 Type set to I. Command: PASV Response: 227 Entering Passive Mode (10,197,200,134,109,96). Status: Server sent passive reply with unroutable address. Using server address instead. Command: MLSD Response: 150 Opening BINARY mode data connection for MLSD /. Error: Connection timed out Error: Failed to retrieve directory listing -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be