[c-nsp] Access List Problem

Jay Hennigan jay at west.net
Thu Oct 21 14:34:19 EDT 2004


On Thu, 21 Oct 2004, Bruce Pinsky wrote:

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> Paul Stewart wrote:
> | We are trying to filter traffic using a basic access list on an
> | interface (6509 Catalyst Native IOS).
> |
> | And the access list:
> |
> | access-list 120 permit tcp any any established
> | access-list 120 permit tcp any host XXXXXXXXXX eq www
> | access-list 120 permit tcp any host XXXXXXXXXX eq 1002
> | access-list 120 permit tcp any host XXXXXXXXXX eq 3389
> | access-list 120 permit tcp any host XXXXXXXXXX eq 443
> | access-list 120 deny   ip any any log
> |
> |
> | The traffic coming in from the Internet is filtered and only the 4 ports
> | work fine.  No issues with that.
> |
> | Now, if I'm sitting on the server I can't surf or anything to the
> | outside world... something we need to do...
> |
> | What am I missing here?  I've tried an access list 121 applied opposite
> | that is "permit ip any any" but no difference...  I thought the
> | "established" statement would look after my needs...??

DNS?

access-list 120 permit udp eq domain any

(obviously before the deny any any log.)


--
Jay Hennigan - CCIE #7880 - Network Administration - jay at west.net
WestNet:  Connecting you to the planet.  805 884-6323      WB6RDV
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