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Network Security Incidents
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RE: Odd addresses on my wireless network

Subject: RE: Odd addresses on my wireless network
Date: Fri, 26 Nov 2004 14:39:16 -0500 (EST)
On Wed, 24 Nov 2004, Kurt wrote:

224.x.x.x is multicast

224/4, not 224/8. common mistake.

2) you have a Mac on your network that's doing autodiscovery with that
weird protocol that Apple dreamed up for advertising services.

except that they're IETF standards and standards-in-draft, not "wierd
protocols dreamed up":

        http://www.merit.edu/mail.archives/zeroconf/ [ietf wg]
        http://www.zeroconf.org/                [lots of good links]

you can even do this on windows:

        http://developer.apple.com/macosx/rendezvous/index.html

open source frameworks exist for UN*X, too.

________
jose nazario, ph.d.                     jose@monkey.org
http://monkey.org/~jose/                http://infosecdaily.net/

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