Need help on a real simple cisco router ? 1

[jenn1206]

3 Cisco routers. I need to block telnet and ping on
the
> loopback ip address, but able to do everything else. Also I should be
able
> to ping and telnet through the Ethernet IP address. I'm using router
rip
> version 2. I have the 3 routers connected by serial and Ethernet.
> Router A IP
> 192.68.1.1 <

http://192.68.1.1/>

- Ethernet
> 172.32.2.1 <

http://172.32.2.1/>

- Loopback
> Router B IP
> 192.68.1.2 <

http://192.68.1.2/>

- Ethernet
> 172.32.2.2 <

http://172.32.2.2/>

- Loopback
> Router C IP
> 192.68.1.3 <

http://192.68.1.3/>

- Ethernet
> 172.32.2.3 <

http://172.32.2.3/>

- Loopback
> I already used the following Access list
> Access-list 101 deny 23 any any
> Access-list 102 deny ICMP any any echo
> Access-list 102 deny ICMP any any echo-reply
> I applied it at the loopback. I was able to block telnet but not the
ping.
> Any suggestions?

 

[baddos]

access-list 101 deny tcp any any eq 23
access-list 101 deny icmp any any echo
access-list 101 deny icmp any any echo-reply
access-list 101 permit ip any any

interface ethernet0/0
ip access-group 101 in