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Can't ping out through router
Name: IP FREELEY Date: March 7, 2002 at 13:51:24 Pacific
Comment:
I have DSL going through a linksys router to two wintel machines. I can open a command line FTP session and login to a remote server, but when I try to send a file to the remote server, it times out. Both machines have this problem and it's not an issue with the host computer. how do i fix this?
Name: Deemer Date: March 9, 2002 at 13:53:27 Pacific
Reply:
Sounds like the FTP server is wanting to create an ACTIVE FTP session rather than PASSIVE FTP session.
The difference: In passive the server responds on a high TCP port (like an http request >1023), but active requires an inbound session to TCP port 20 (in response to your outbound session to TCP port 21).
If you control the server you can change it to use passive -- or you can open up an inbound path for TCP 20. If you select the latter, I'd specify the source/destination addresses if you can so you limit who can initiate the inbound connection.
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