Security Incidents mailing list archives

Re: A bit strange ARP queries


From: Jeff Kell <jeff-kell () utc edu>
Date: Sat, 17 Dec 2005 20:08:37 -0500

Tillmann Werner wrote:

Rea,

that trace is more than a bit strange and should be really alarming. One can do lots of dirty things abusing ARP.
Has anyone seen such ARP packets? I am a bit curious, because we have no
strange hardware that will set the target hardware address in the who-has
ARP packet. Are there any attacks that using such packets?
It has been quite some time since I've seen it in action, but this sounds very much like reverse arp (RARP), RFC-903, but without the complete packet, I couldn't say for certain.

Jeff


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