[olug] Installfest thanks and a question

Joe Mastandrea joem at sarpy.com
Thu Jan 10 11:36:15 UTC 2002


Brian,

Thanks for your prompt reply.  Yes, "passive mode" is enabled.

Joe Mastandrea



Brian Wiese wrote:

>Have you tried enabling "passive" mode on your ftp client? 
>
>I've had this problem before, trying to access ftp sites from behind my
>firewall.  The way traditional "active" ftp works  is that your client
>sends a request to the ftp server (port 21), then the server tries to
>initiate a connection on one of the client's ports for the 'data'
>transfer.  Since the server (on the internet) initiated this, the firewall
>will block it. But if you, as the client initiate the port to transfer the
>data on (passive), everything goes fine.
>
>Look for the passive connection option, check it by default.  It console
>ftp connection, issue teh command 'pasv' usually or something like that.
>:)
>
>http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci512897,00.html
>
>(first explaination that came up on the google search. :)
>
>On Wed, 09 Jan 2002 12:05:40 +0000
>Joe Mastandrea <joem at sarpy.com> wrote:
>
>
>>WS_FTP to post to her web site.  From the error messages, I'm guessing 
>>that the web server she wants is seeing her private address on the 
>>"safe" side of the firewall.
>>
>
>



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