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Old 02-25-2003, 02:47 PM   #1
andresurzagasti
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Question MSN Messenger + Iptables


Hi everyone,

I´m own a LAN with a RH 7.1 (IPChains Firewall and mailserver), with one public IP adress, and private IPs assigned to the internal PCs. (172.16.15.*)

I´m tryng to configure MSN Messenger, it´s run very well trough Squid or ip-masquerade for text interchanges, but don´t very well to send or receive files or audio/video.
I´m searched the web and the conclusion is that the problem is due to a native limitation of the MSN protocol.
Now, we find a ip_masq_mms module at http://home.tig-grr.com/mmsmasq.tar.gz , so this URL does not contain the file. I have researched the web to find the file, but... not exist.

Someone of us have some idea of where is the file ???

Regards. Andres.
 
Old 02-25-2003, 03:01 PM   #2
Pcghost
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I would try to find out what protocal/ports it uses for file transfer and the forward them in your iptables to the machines that need it. I'm sure MS has a whitepaper on messenger that would get you that information. Try searching for messenger port specifications at MS knowledge base.
 
Old 02-25-2003, 03:14 PM   #3
peter_robb
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A search here at LQ for ' msn AND messenger AND ipchains ' gave this one of many links...
http://www.linuxquestions.org/questi...r+AND+ipchains

# example to allow users to use MSN
# MSN messenger
ipchains -A output -p tcp -s 192.168.100.10 1023:65535 --dport 1863 -j ACCEPT
ipchains -A input -p tcp ! -y -s 64.4.13.0/24 --sport 1863 -d 192.168.100.10 1023:65535 -j ACCEPT
 
Old 03-23-2009, 10:56 AM   #4
garglkarg
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Quote:
Originally Posted by peter_robb View Post
A search here at LQ for ' msn AND messenger AND ipchains ' gave this one of many links...
http://www.linuxquestions.org/questi...r+AND+ipchains

# example to allow users to use MSN
# MSN messenger
ipchains -A output -p tcp -s 192.168.100.10 1023:65535 --dport 1863 -j ACCEPT
ipchains -A input -p tcp ! -y -s 64.4.13.0/24 --sport 1863 -d 192.168.100.10 1023:65535 -j ACCEPT
@peter_robb thank you very much you posted me the same solution failed to work for me (as I said above)...
I knew this. and, surprisingly, I searched the forum! BUT i haven't found any working suggestions.
what denies this solution: I have no entry in my firewall log (which logs all denies and drops) when MSN Messenger tries to connect...

@Pcghost thanks for your advice too. BUT I have no entry in my firewall log (which logs all denies and drops) when MSN Messenger tries to connect...

so it's NOT a specific port it's a ?NAT? problem - a ?system variable switch? or anything else I don't know about... and sadly thats a lot!


any more?
 
  


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