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Old 09-18-2003, 10:07 AM   #1
mafa
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Registered: Jan 2003
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Angry MSN Voice and iptables...


Hi All!

I have a Linux gateway (Redhat 7.2), and found, that I can chat with MSN Messenger, but the linux box doesn't allow to do voice conversation...:-(
I use iptables with the following settings:

iptables --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE
iptables --append FORWARD --in-interface eth1 -j ACCEPT

Does anyone know something to solve this problem?

Thanks: MaFa
 
Old 09-21-2003, 05:09 PM   #2
pnh73
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Registered: Jul 2003
Location: Birmingham, UK
Distribution: Ubuntu,Debian
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Are you behind a firewall or NAT router? This can be problem with MSN as voice conversations and file transfers usually dont work if you are behind NAT or a firewall. You need to enable both UDP and TCP incoming/outgoing connections from the correct ports (6901 i think) i am not sure on the syntax though.

HTH
 
Old 10-05-2003, 07:23 PM   #3
compucated
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Registered: Aug 2003
Location: Karachi, Pakistan
Distribution: Redhat
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To enable voice communications in MSN Messenger , make sure that outgoing TCP connections from port 6901 are enabled.
Also enable UDP packets where either the source or the destination port is 6901.
iptables -A FORWARD -p tcp --dport 6901 -j ACCEPT
iptables -A FORWARD -p udp --sport 6901 -j ACCEPT
iptables -A FORWARD -p udp --dport 6901 -j ACCEPT

Also Masquerade this port,
iptables -t nat -A POSTROUTING -p tcp --dport 6901 -o eth1 -j MASQUERADE

This is all to open voice for MSN Messenger,
your posted iptables lines are enough for these rules, did you posted your complete rules?
What the commands
iptables -t nat -L
and
iptables -L
showing?
 
Old 10-06-2003, 04:35 AM   #4
geoff-taylor@ho
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Registered: May 2002
Location: Frinton on Sea, Essex, UK
Distribution: SuSE 7.3
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Just to chuck my bit in I have exactly the same problem, and was losing my sanity over the weekend trying to get voice to work. I am going to give this a go, if i have success I'll post back, if any one else has success would they let me know, please....

Geoff.
 
Old 10-06-2003, 11:48 AM   #5
mafa
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Registered: Jan 2003
Posts: 6

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Unfortunately after my last post our internet connection broke down... :-( I'll try it ASAP, and will write the result.
 
Old 12-25-2003, 10:28 PM   #6
Giles
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Registered: Dec 2003
Posts: 6

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Quote:
Originally posted by mafa
Unfortunately after my last post our internet connection broke down... :-( I'll try it ASAP, and will write the result.
I know its been a while, but were you able to get this to work?

Thanks!
-Giles
 
  


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