Outbound port on sockets

[bmearns]

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