!
version 12.3
no service password-encryption
!
hostname HQ
!
!
username B1 password 0 cisco123
username B2 password 0 cisco123
!
!
!
interface FastEthernet0/0
 description HQ LAN 1
 ip address 10.1.50.1 255.255.255.0
 ip access-group 101 in
 duplex auto
 speed auto
!
interface FastEthernet0/1
 description HQ LAN 2
 ip address 10.1.40.1 255.255.255.0
 ip access-group 10 out
 duplex auto
 speed auto
!
interface Serial0/0/0
 description Link to B1
 ip address 10.1.1.1 255.255.255.252
 encapsulation ppp
 ppp authentication chap
 clock rate 64000
!
interface Serial0/0/1
 description Link to B2
 ip address 10.1.1.5 255.255.255.252
 encapsulation ppp
 ppp authentication chap
 clock rate 64000
!
interface Serial0/1/0
 description Link to ISP
 ip address 209.165.201.2 255.255.255.252
 ip access-group FIREWALL in
!
interface Serial0/1/1
 no ip address
 shutdown
!
interface Vlan1
 no ip address
 shutdown
!
router ospf 1
 log-adjacency-changes
 passive-interface FastEthernet0/0
 passive-interface FastEthernet0/1
 passive-interface Serial0/1/0
 network 10.1.40.0 0.0.0.255 area 0
 network 10.1.50.0 0.0.0.255 area 0
 network 10.1.1.0 0.0.0.3 area 0
 network 10.1.1.4 0.0.0.3 area 0
 default-information originate
!
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0/1/0 
!
access-list 10 deny 10.1.10.0 0.0.0.255
access-list 10 permit any
access-list 101 deny tcp 10.1.50.0 0.0.0.63 host 10.1.80.16 eq www
access-list 101 permit ip any any
ip access-list extended FIREWALL
 permit icmp any any echo-reply
 permit tcp any any established
 deny ip any any
!
!
!
line con 0
line vty 0 4
 login
!
!
end