Hello
I just did a quick search in the mails I received ;-)
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Daryl Martin wrote on the 08/16/02 :
Just block outgoing traffic on port 1863 to block messenger traff=
ic.
http://support.microsoft.com/default.aspx?scid=3Dkb;EN-US;q278887
To block Yahoo it seems that's a little bit tricker. To block ya=
hoo
you will have to block ports 5000-5010 for voice chat, 5100 for vide=
o.
Yahoo messenger scans ports 5050 then 80 then any available port. Y=
ou
will probably most likely have to block the yahoo messenging IP.
http://help.yahoo.com/help/us/mesg/use/use-17.html
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See also the message of "Hanz F." on the 10/01/02 (4 days ago)
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Hope this will help
Swann ;-)
|---------+----------------------------------->
| | Alok Shukla |
| | <alokshukla@yahoo.com> |
| | Envoy=E9 par : |
| | netfilter-admin@lists.ne|
| | tfilter.org |
| | |
| | |
| | 05/10/2002 17:59 |
| | |
|---------+----------------------------------->
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| =
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| Pour : netfilter@lists.netfilter.org =
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| cc : =
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| Objet : How to block Yahoo Messenger through IP Tables =
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Hi ,
Sorry for asking this newbie question first.
I am running a network with a Linux Server as a
gateway. I am using IPtables as to masquerade internal
IPs for Internet usage. I want to block the uses of my
intranet for using yahoo messenger. I needed help for
this. In general i wanted to know how to block a
particular port.
Thanks in Advance
Alok Shukla
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