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Windows Server 2003 and ISA - enable internet access across LAN (DNS?)

Posted on 2005-03-15
Medium Priority
Last Modified: 2006-11-17
I have set up Windows Server 2003 and installed ISA Standard.  Since installing ISA, none of the client PCs on the LAN are able to connect to the internet.  I've set up the local IP ranges and a firewall rule, and applied the server proxy settings to the client PCs.  Do I need to enable DNS on the local PCs, or what steps do I now need to take in order to cause the server and internet to be accessible by the local network?  I'm missing something...

Question by:psk1
  • 2

Author Comment

ID: 13545705
The client PCs are running Windows XP.

Author Comment

ID: 13545727
The server is connecting to the internet through one NIC and the LAN is connected to the server by a switch and NIC.
LVL 15

Accepted Solution

harleyjd earned 1500 total points
ID: 13550695
I have found that ISA server doesn't like straight through (secure) NAT for www traffic, but does allow it for other traffic.

So if the clients can ping external sites, resolve names etc then you might just need to add the Proxy Server info to the worksations for www...


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