Martian list of IP's to block???

Fri Oct 1 15:42:40 UTC 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.