Sniffer detectors for Linux?

[Steven W. Orr]

On 19 Sep 2002, Scott Garman wrote:

=>Does anyone know of any free software for linux that can detect whether
=>network cards on a LAN are in promisc mode? I'm looking for something
=>similar to AntiSniff from l0pht, which apparently only works under
=>solaris and OpenBSD. 

http://www.chkrootkit.org/ 
has such a tool built in to their root kit checker.

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