Snort mailing list archives

Re: SUMMARY, CyberKit 2.2 Ping, its driven me Nuts..


From: Jeff Kell <jeff-kell () utc edu>
Date: Wed, 31 Dec 2003 21:38:10 -0500

Brice B wrote:
 Chris,
would you mind telling us how you set it to alert only internal Cyberkit/Nachi ping attempts? Did you use thresholding?

Can anyone verify the [non]existance of a difference between the Cyberkit and Nachi pings? Not having Cyberkit myself, I can only address Nachi. The frame is 106 bytes on the wire, 92 bytes in the IP packet, and 64 bytes of 0xaa in the ICMP data payload.

If Cyberkit is anything but 64 bytes of 0xaa payload, perhaps a new, Nachi-specific rule is called for.

Jeff



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