Outbound port on sockets

bmearns bmearns at coe.neu.edu
Thu Sep 14 09:12:06 EDT 2006


Quick follow up, I'm able to connect to other external FTP sites behind
my firewall and router, no problem.

-Brian


bmearns wrote:
> Thanks for all the responses. I understood what the PORT command was
> for, but I've been seeing alot of doc online that only mentions going
> outbound on port 20 for data connections, so I thought maybe that was
> my problem.
>
> Sorry if this is the wrong spot to follow up on this not-so-much-python
> matter. Does anyone know of an appropriate news group?
> I'm trying to get through a router and Norton Internet security, using
> my homebrewed python FTP server and Internet Explorer as my client
> (I've also tried microsoft's FTP command line client). I'm able to go
> back and forth on the command socket, no problem, but after the client
> issues a PORT, I try to connect to it, and time out. I'm becoming
> increasingly convinced that it's a firewall/router issue because if I
> connect to my server as localhost, instead of my outside IP address, I
> can connect fine.
>
> I've tried disabling Internet security, but that doesn't help. I
> suspect the problem is port forwarding from the router, but I don't
> know what the port numbers will be, so how can I set up forwarding?
>
> Any help is greatly appreciated. I've been banging my head against the
> wall for hours.
> 
> -Brian




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