Router(config)#ip access-list extended serveraccess | Creates an extended named ACL called serveraccess |
Router(config-ext-nacl)#permit tcp any host 131.108.101.99 eq smtp | Permits mail packets from any source to reach host 131.108.101.99 |
Router(config-ext-nacl)#permit udp any host 131.108.101.99 eq domain | Permits DNS packets from any source to reach host 131.108.101.99 |
Router(config-ext-nacl)#deny ip any any log | Denies all other packets from going anywhere. If any packets do get denied, then log the results for me to look at later |
Router(config-ext-nacl)#exit | |
Router(config)#int fa 0/0
Router(config-if)#ip access-group serveraccess out
| Applies this ACL to the Fast Ethernet interface 0/0 in an outbound direction |