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Tom Marshall wrote:

> > i have been trying to figure out how to get outgoing file transfers and 
> > voice calls etc working with MSN Messenger through my IPTABLES firewall.. 
> > after searching around for a while i found the following information on the 
> > ports and protocols that MSN Messenger uses..
> 
> The thing they neglect to mention is that the IP address of the machine who
> is sending the file or initiating the chat is sent to the other person. 
> Therefore, this information is only useful for an intranet whose IP ranges
> are public.  Oddly enough, the Microsoft intranet is setup exactly this way. 
> Every computer at Microsoft has a publicly routable IP address.
> 
> For example, if you are in a masqed network with IP address 192.168.0.2 and
> you attempt to send a file to someone, your machine effectively says, "I
> want to send you a file.  My IP address is 192.168.0.2 and I'm listening on
> port 6891." Obviously this won't work unless the recipient is on the same
> intranet.

unless you have a kernel module that rewrites the packets (like with ftp).
i don't think i've ever seen one for msnm.

raf

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