Does anyone use an ACL like this?
access-list 100 deny 10.0.0.0 0.255.255.255 any log
access-list 100 deny 172.16.0.0 0.15.255.255 any log
access-list 100 deny 192.168.0.0 0.0.255.255 any log
access-list 100 deny ip host 255.255.255.255 any log
I have this on my border gateways and was wondering if it's still necessary. It's been a long time since I messed with these ACL's.