Router(config)# int S1
 Router(config-if)# access-list 102 deny tcp any eq 80 
 Router(config-if)# access-list 102 deny tcp any any eq telnet
 Router(config-if)# access-list 102 deny tcp any any eq ftp established
 Router(config-if)# Permit any any
 Router(config-if)# access-group 102 in