Re: Firewall Settings to Block Messenger Access
From: Gary (garyd_at_efn.org.spamsux)
Date: 11/09/04
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Date: Tue, 09 Nov 2004 15:13:02 GMT
John F Kappler wrote:
> One post suggested blocking access to https://login.passport.com, but
> I dont understand how to do that on my router without knowing an IP
> address.
It looks like they're using round robin DNS or something like f5's 3DNS.
Currently the IPs are 65.54.179.198 and 65.54.183.198 but those may
change on a regular basis.
The problem with most IM services is that there also Java versions of
the IM app that may or may not use the same ports.
See http://www.aim.com/get_aim/express/aim_expr.adp?aolp= and
http://www.msn2go.com/
Is there a particular reason you need to block IM services? If it's part
of something like Sarbanes-Oxley compliance, you could always set up a
jabber server and force your users to use its gateways to outside IM
services.
http://jabberd.jabberstudio.org/1.4/doc/componentguide#gateways
-Gary
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