[clug] FTP Server Question
jm
jeffm at ghostgun.com
Thu Aug 7 05:28:42 GMT 2008
Ian Bardsley wrote:
> I have forwarded port 21 to the server IP on my router, I have
> allowed service for port 21 via Firestarter but when a mate at another
> location tries to connect it appears that the connection is made and
> then dropped within 5 seconds.
Is this after executing a command, eg dir/ls?
> Now, I have googled this extensively and found another hundred threads
> none of which offer a common explanation of the potential cause of
> this problem. I see some suggestion that it is necessary to open
> ports 49000 to 65500 as well as port 21 but I see no explanation as
> to why this would be necessary. My ISP does not block Port 21 (or
> any other port for that matter). So I am now confused probably from
> too much information.
I suspect, at a first glance, that this has to do with PASV. see
http://www.slacksite.com/other/ftp.html for an explaination.
Jeff.
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