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Re: [NETVAERK] Arp poisoning detection



Anders Bruun Olsen wrote:

> Hejsa,
> 
> Jeg har nogle gange hjulpet til med at opsætte og drive computer parties
> og de sidste par gange er nogle lidt uheldige problemer begyndt at dukke
> op på netværket vi opsætter. Der er nemlig nogen gange nogle som får et
> akut tilfælde af scriptkiddie-itis og med programmer såsom Cain laver
> arp-poisoning for at sniffe passwords på netværket (som er switched).
> Hvilket resulterer i at netværket nærmest lægger sig fuldkommen ned og
> nægter at fungere ordentligt.
> Hvad er de bedste muligheder jeg har for at kunne opdage og spore
> sådanne tåbeligheder?
> Og generelt hvilke forsvarsmuligheder er der?

Kan du ikke sætte et script til at lave ARP-opslag på din gateway, og så
alarmere hvis adressen ændrer sig?

-- 
Mvh
Christian Iversen


 
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