interface FastEthernet0/0
 description OPTONLINE - CABLE MODEM
 ip address 75.127.175.2 255.255.255.248
 ip access-group outside in
 ip inspect myfw out
 ip nat outside
 ip virtual-reassembly
 ip route-cache flow
 duplex auto
 speed auto
 crypto map mymap
!

ip access-list extended outside
 permit icmp any any echo-reply
 permit icmp any 10.10.6.0 0.0.1.255 time-exceeded
 permit icmp any 10.10.6.0 0.0.1.255 packet-too-big
 permit icmp any 10.10.6.0 0.0.1.255 traceroute
 permit icmp any 10.10.6.0 0.0.1.255 unreachable
 deny   icmp any any
 permit udp host 69.20.72.8 host 75.127.175.2 eq isakmp
 permit udp host 69.20.72.8 host 75.127.175.2 eq non500-isakmp
 deny   ip any any log