What does the following entry mean in a Cisco 1841 router -
ip http server ip nat inside source list 1 interface Serial0/0/0 overload ip nat inside source static 172.18.0.109 204.8.1xx.xxx extendable ip nat inside source static 172.18.0.108 204.8.1xx.xxx extendable ip nat inside source static 172.18.0.107 204.8.1xx.xxx extendable ip nat inside source static 172.18.0.106 204.8.1xx.xxx extendable ip nat inside source static 172.18.0.105 204.8.1xx.xxx extendable ! access-list 1 deny 172.18.0.108 access-list 1 deny 172.18.0.109 access-list 1 deny 172.18.0.106 access-list 1 deny 172.18.0.107 access-list 1 deny 172.18.0.105 access-list 1 permit 172.0.0.0 0.255.255.255
thanks in advance