On Tue, 12 Feb 2002, Kent Hundley wrote:
:3) Don't give users root or Administrator access to their machines.  This
:should keep them from changing IP addresses. (course, they can always break
:into the machine)

if they have physical access, breaking in tends to just mean reboot.

:3) Hard-code IP addresses to MAC addresses in your router and/or firewalls
:arp table.  This is obviously a pain in the butt.

more than a pain, it's just not maintainable.  i've lost many hours in
maintenance windows on firewall systems due to static arps in various
places. from an added security cost benefit standpoint, it's almost always
a loser.

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