Effective ipfw rules for blocking MSN Messenger ... ?
cswiger at mac.com
Thu Dec 23 14:33:13 PST 2004
Marc G. Fournier wrote:
> I just setup a FreeBSD box for a router, so that I could make use of
> ipfw to block MSN Messenger traffic ... but I'm having a bugger of a
> time finding a "definitive" list of what needs to be blocked :(
> MSN Messenger appears to be smart enough to go *around* the usual port
> 1863 and onto port 80 if it needs to ...
Apparently the best way to accomplish this goal is to block all traffic to and
from the MSN boxes, rather than trying to filter by port #. I thought I had a
list of those IPs handy, but I can't find it...
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