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DNS server goes down unexpectedly

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Name: abrogard
Date: November 1, 2002 at 23:51:33 Pacific
OS: win2000 server
CPU/Ram: P4 1.7g 128m
Comment:

Our win2000 server box is on a small LAN with an ADSL connection using Enternet 300 to the internet.

Previously we had a win98 box acting as the server.

Now and then we sometimes find we cannot get the internet. But a p2p programme busy downloading still continues.

The connection is still there.

But no new connections can be made.

Ping reports 'name unknown'.

So it seems our DNS server which ipconfig /all says is at 10.0.0.1 is going down.

Any ideas? Help. Suggestions will be well received.
regards abrogard. (jepboro@yahoo.com)



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Response Number 1
Name: Chris
Date: November 2, 2002 at 00:48:05 Pacific
Reply:

I know absolutely nothing about Win2K but if you have a firewall you may need to configure it to allow your ISP DNS server(s) full UDP access In and Out.

---

It looks like this in Kerio Personal Firewall v2 and Tiny Personal Firewall v2 using a standard ISP which relies on Microsoft's Dial-Up Networking (not a software based ISP like AOL):

Description: DNS
Protocol: UDP
Direction: Both
Local Port: Any
Application: Any
Remote Address: Your ISP DNS Address goes here
Remote Port (Single Port): 53
Rule Valid: Always
Action: Permit
Logging: None

This rule is for allowing your Internet Service Provider (ISP) connection to properly work.


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