That just means that the person she is exchanging files with has a public
address and goes right along with my explanation. The person sending here a
file actually tells her MSN client to pull the file from the sending PC.

This MS technote explains it quite well.
http://www.microsoft.com/technet/prodtechnol/winxppro/evaluate/worki01.asp?f
rame=true#d

Check the NAT and messenger topic heading.

 
[PS: My daughter is just as frustrated! she wants 2 do voice/video]

on 17/12/2002 00:18, Gerry Doris at [EMAIL PROTECTED] wrote:

> On Mon, 16 Dec 2002, Thomas V. Fischer wrote:
> 
>> This actually only works on older versions of MSN Messenger (pre 4.x). Now
>> MSN uses UPnP which is only supported by Microsoft ICS type firewalls.
>> 
>> You wonąt be able to initiate any video/audio or file transfers from behind
>> a linux NATed firewall. MSN has changed its method considerably. The
>> initiator of the connection actually tells the receiver to pull (there is no
>> more push). The initial communication is done through the exchange of http
>> commands via the MSN main server. Inside this http command is your internal
>> IP address and port. Unless you have application level filtering and NATing
>> you wonąt be able to  change this information as it is done from with in the
>> MSN client.
>> 
>> rgds
> 
> I just checked with my inhouse MSN guru (my daughter) who is using V5.
> She says that she can accept files from others but is unable to send them
> files.  When she tries she gets a service not available message.
> 
> She thought it was something I had done.  Frankly, I wish it were the
> other way around...can send but not accept.  She's never tried to use
> voice.




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