Firewall Wizards mailing list archives

RE: Using DHCP (was RE: IP Spoofing)


From: "Anton J Aylward" <anton () the-wire com>
Date: Fri, 15 Oct 1999 09:19:32 -0400

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.

Hmmm.  Thinking about that, it probably applies even without DHCP.  
So the real question is, does DHCP make it easier?

Remember, Integrity is as much part of InfoSec as accessibility and confidentiality
(says he, upsetting Donn Parker by preaching the orthodox line ;-)

/anton

-----Original Message-----
From: Safier, Adam (GEIS)
Sent: Tuesday, October 12, 1999 5:05 PM

What if I know the IP address range of the special group and hard code it
into my PC?  This seems like a fancy way of filtering by IP address only,
with all the old spoofing vulnerabilities.  What am I missing that makes
this truly secure?



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