North American Network Operators Group
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RE: Martian list of IP's to block???
- From: Rubens Kuhl Jr.
- Date: Fri Oct 01 11:51:44 1999
> deny ip host 0.0.0.0 any log
> deny ip 127.0.0.0 0.255.255.255 any log
> deny ip 10.0.0.0 0.255.255.255 any log
> deny ip 172.16.0.0 0.15.255.255 any log
> deny ip 192.168.0.0 0.0.255.255 any log
> deny ip xxx.xxx.xxx.0 0.0.0.255 any log
> deny ip 224.0.0.0 31.255.255.255 any log
Routing those networks to nul0 and turning 'ip verify unicast reverse-path'
on CEF-enabled Cisco routers does this without CPU load or does not ?
Rubens Kuhl Jr.
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