Messages in this thread |  | | | Date | Sun, 28 Mar 2004 22:58:16 -0500 | | From | Bill Davidsen <> | | Subject | Re: Fwd: MAC / IP conflict |
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Jad Saklawi wrote: > ----- Forwarded message from Hisham Mardam Bey ----- > Date: Sun, 21 Mar 2004 13:52:59 +0200 > > In short, I need to detect when someone on the network uses my MAC and > my IP address. > > Longer story follows. I am on a LAN which might have some potentially > dangerous users. Those users might spoof my MAC address and additionally > use my IP address, thus forcing my box to go offline, and not be able to > communicate with my gateway. What I need is a passive way to check for > something of the sort, and perhaps a notofication into syslog (the > latter is not very important).
Use arpwatch, it detects ALL changes of IP<=>MAC mapping.
-- bill davidsen <davidsen@tmr.com> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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