ACL for PIX 6.3.1

Below is my list access I have an IP 211.181.198.201 on the Internet trying to access my web server frequently to me it not reliable I don't want this IP 211.181.198.201 access my web server, in any case, I applied the last statement the last statement will be effective. I assume that in the first statement will allow any host even this IP 211.181.198.201 access my web server, how can I block it please advice.

access-list 101 permit tcp any host xxx.187.66.197 eq www

access-list 101 permit udp any host xxx.187.66.195 EQ field

access-list 101 permit tcp any host xxx.187.66.198 eq www

access-list 101 deny host ip 211.181.198.201 all

If you want to block the 211.181.198.201 host access a server behind your PIX you put this before permit statements!

example:

access-list 101 deny host ip 211.181.198.201 all

access-list 101 permit tcp any host xxx.187.66.197 eq www

access-list 101 permit udp any host xxx.187.66.195 EQ field

access-list 101 permit tcp any host xxx.187.66.198 eq www

Depending on your OS PIX version that you just can add an access list entry on the statement line n"I think 6.3.3 introduced this feature.

Syntax:

[No] access-list [line] can't refuse | permit

| - Group of objects

| interface | object-group

[[] | object-group]

| interface | object-group

[[] | object-group]

[Log [disable | default] |] [] [interval]]

example:

No list access 101 don't deny ip host 211.181.198.201 all

access-list 101 deny ip host to line 1 211.181.198.201 all

Do a "clear xlate" if necessary! Ensure that resets all communications.

sincerely

Patrick

Tags: Cisco Security

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