troubleshooting Question

Cisco router 881G

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trojan81 asked on
RoutersCisco
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Experts,

I have an 881G with an internet connection. I have an ACL on the router applied inbound on the outside interface.
Traffic will overload out the outside interface.
I find that I have to allow ANY tcp inbound to the outside interface or web browsing does not work. I tried just www, and 443 but that doesnt work.  Is it because web traffic goes outbound on port 80 or 443 but comes inbound on a high port?
Is there a way to make the router stateful like a firewall?
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