I use it on my cable-connected box, a very nifty tool that generates
notifications of any funky activity on the wire (as well as learns the
macs of the local neighbors and records them in syslog output). I'd
recommend it for anyone who needs to monitor for fishy activity on their
local LAN (Debian's potato tree has a package for it already, apt-get
install arpwatch to get it).
-R
On Wed, 19 Jan 2000, Bob wrote:
> In reference to the person having an IP address conflict, I suspect that
> this utility will help detect and warn about duplicate IP addresses.
> (I realize that that does not solve the problem of finding out *which*
> of your dozens or hundreds of systems is "the other guy".)
>
> It is called Arpwatch and mentioned in this Linux Journal URL:
>
>          www2.linuxjournal.com/lj-issues/issue67/3517.html
>
> by those wild & crazy guys "in dark glasses" at Lawrence Berkeley Labs:
>
>         If you haven't yet discovered Arpwatch (available via anonymous
>         ftp at ftp://ftp.ee.lbl.gov/arpwatch.tar.Z), please allow me to
>         introduce you. From Arpwatch's man page, ``Arpwatch keeps track
>         of Ethernet and IP address pairings. It syslogs activity and
>         reports certain changes via e-mail.'' Arpwatch uses the libpcap
>         API (ftp://ftp.ee.lbl.gov/libpcap.tar.Z) to listen for and
>         capture ARP (address resolution protocol) requests and replies
>         on a local Ethernet interface.
>
> Bob Toxen
> Enet%20addrs&In-Reply-To=">bob@cavu.com
> http://www.cavu.com
> http://www.cavu.com/sunset.html [Sunset Computer]
> ftp://ftp.mindspring.com/users/cavu/century.c [Y2K CMOS clock fix for Linux]
> ftp://ftp.mindspring.com/users/cavu/hwclock.c [Y2K hwclock for broken CMOS]
> Fly-By-Day Consulting, Inc. "Don't go with a fly-by-night outfit!"
>
> Failure is not an option!
> It comes bundled with all Microsoft products (in my opinion).
> "Linux, a better way to go!"
> --
> To unsubscribe: mail Enet%20addrs&In-Reply-To=">majordomo@ale.org with "unsubscribe ale" in message body.
>
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