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Block outbound port 80

Asked by forzaaw in Network Routers, Cisco PIX Firewall, Dynamic Host Configuration Protocol (DHCP)

Tags: Port, cisco, ports, 80, www, outbound, proxy, dhcp

Hello,

I have looked at some previous threads and am getting a rough idea how to do this but would just like to know if this is the correct answer.

All of my users access the internet through a filter/proxy which is set in their IE settings via GPO. I have recently been made aware that night staff plug their laptop into LAN ports and access the internet. I would like to set it up so that outbound port 80 is only allowed for the IP of the web filter and one or two other computers. This way the random users with their laptops wont be able to get on.

OR maybe I am going about this wrong, perhaps it would be better to stop DHCP giving out addresses to these non-domain laptops, so an answer to this would be acceptable also. I dont want to go to the lengths of deploying NAP at this point.

Thanks,

Dan.
[+][-]11/03/09 02:25 AM, ID: 25727506Expert Comment

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