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NFR Wizards Archives: RE: Using DHCP (was RE: IP Spoofing)

RE: Using DHCP (was RE: IP Spoofing)


Carl Brewer (carlbl.echidna.id.au)
Mon, 18 Oct 1999 21:42:27 +1000 (EST)


> From: "Anton J Aylward" <antonthe-wire.com>
> To: "Safier, Adam (GEIS)" <Adam.Safiergeis.ge.com>, <Bill_Roydspch.gc.ca>,
> "Dave Gillett" <dgillettdeepforest.org>
> Cc: <firewall-wizardslists.nfr.net>
> Subject: RE: Using DHCP (was RE: IP Spoofing)
> Date: Fri, 15 Oct 1999 09:19:32 -0400
> X-MIME-Autoconverted: from base64 to 8bit by lists.nfr.net id IAA25101
>
> I understand that there are also DHCP servers that will ping to see
> if an address is in use before assigning it.
>
> It seems to me that a few malicious or perhaps just misinformed or misdirected
> people (say someone on the help line who doesn't know about DHCP) could
> quite easily screw up a network.

I had a small scale DoS (accidental) recently when a printer picked up
my firewall management server's IP address from a misconfigured
DHCP server and it held onto the address. It can happen :)



This archive was generated by hypermail 2.0b3 on Tue Oct 19 1999 - 02:15:18 CDT