Michael Mansour wrote:

Why is it such a bad idea?

I remember when I didn't use it my firewalls would get
hammered with those rfc1918 spoofed addresses.

Because:

a) 'norfc1918' does nothing that you can't do with three simple DROP rules:

        DROP    net:10.0.0.0/8          all
        DROP    net:172.16.0.0/12       all
        DROP    net:192.168.0.0/16      all

b) Those 'spoofed' addresses are probably just fools in your neighborhood who haven't a clue how to configure their systems. Never attribute to malice that which can be explained by stupidity.

-tom
--
Tom Eastep    \ Nothing is foolproof to a sufficiently talented fool
Shoreline,     \ http://shorewall.net
Washington USA  \ [EMAIL PROTECTED]
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