below is the configuration of the interface. I have one ACL on this interface. Does it mean that traffic going out from this interface to anywhere OR traffic coming in this interface to LAN users?
interface FastEthernet0/0
ip address 192.168.251.10 255.255.255.0
ip access-group 121 in
no ip redirects
no ip unreachables
no ip proxy-arp
ip nbar protocol-discovery
ip nat inside
ip inspect AUH in
ip virtual-reassembly
ip route-cache flow
ip tcp adjust-mss 1452
duplex auto
speed auto
!
access-list 121 permit udp any eq bootpc any eq bootps
access-list 121 permit udp any eq bootps any eq bootpc
access-list 121 permit tcp any any eq ftp
access-list 121 permit tcp any any eq pop3
access-list 121 permit tcp any any eq smtp
access-list 121 permit tcp any any eq domain
access-list 121 permit udp any any eq domain
access-list 121 permit tcp any any eq www
access-list 121 permit tcp any any eq 81
access-list 121 permit tcp any any eq 143
access-list 121 permit tcp any any eq 443
access-list 121 permit tcp any any eq 3389
access-list 121 permit tcp any any eq 22
access-list 121 permit tcp any any eq 2500
access-list 121 permit tcp any any eq telnet
