Re: Outbound port on sockets

2006-09-14 Thread bmearns
> But you can restrict the numbers of ports the server will use to a > certain range! It's common for ftp to allow only for so many connections > at the same time, so reserve a port-range of 20 or so for your server > and configure the router to forward them. Thanks, I think that'll have to be my

Re: Outbound port on sockets

2006-09-14 Thread bmearns
It's actually 256*y + z billie wrote: > > The right format of a FTP PORT command is: > > > > PORT x,x,x,x,y,z > > > > ...where x(s) represents your IP address in dotted form and (x * y) the > > TCP port you bind. > > Sorry, I wanted to say: (y * z) -- http://mail.python.org/mailman/listinfo/pyth

Re: Outbound port on sockets

2006-09-14 Thread bmearns
P servers, and (according to the responses echoed by the command line FTP client), they're using PORT, not PASV. So somehow, my client is specifying some arbitrary port for the server to connect to, and that port is actually being forwarded through my router. -Brian Sergei Organov wrote:

Re: Outbound port on sockets

2006-09-14 Thread bmearns
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 >

Re: Outbound port on sockets

2006-09-14 Thread 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 matte

Outbound port on sockets

2006-09-14 Thread bmearns
Is it possible to specify which port to use as the outbound port on a connection? I have the IP address and port number for the computer I'm trying to connect to (not listening for), but it's expecting my connection on a certain port. Specifically, I'm trying to write an FTP host, and I'm trying t