R3#sh run | b user
username George password 0 bosco
username George autocommand access-enable timeout 2
!
!
interface FastEthernet0/1
 ip address 180.40.7.129 255.255.255.224
 ip access-group Prob9 in
 duplex auto
 speed auto
!

!
ip access-list extended Prob9
 permit ospf any any
 permit udp any any eq ntp
 permit tcp any host 180.40.7.129 eq telnet
 permit tcp any host 180.40.7.33 eq telnet
 permit tcp any host 180.40.7.3 eq telnet
 dynamic Prob9D timeout 60 permit ip any any