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No Internet, Only Intranet

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by mmorse

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I have a Dell Latitude D800 laptop. I have it a network. The computer can't ping out to the internet. I rejoined the computer to domain, but it only will see the intranet. The network is just set up with a PDC and not active directory. The DNS server resolves all the internet sites, but won't ping them! HELP.

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by mjfera

What separates your internal network from the Internet?

This could be caused by many different things. It could be as simple as ICMP being blocked by a firewall or router. Or, it could be a deeper routing issue within the bounds of your internal network.

First, make sure ICMP is enabled. As an alternative, you can attempt to telnet port 80 on a well-known web-site. For example:

"telnet www.google.com 80"

Ping is only a good check of connectivity if all firewalls in the path allow ICMP packets to pass.

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