Re: Windows 2003 server, DNS forwarding to internet not working



OK, from the workstation, ping of www.googlecom does return the ip
address but also 'destination host unreachable'. Ping of the ip address
results in 'destination host unreachable'.

Today, when I run nslookup, I get

***Can't find server name for address 192.168.0.10: non-existent domain
***Default servers are not available
Default server: unknown
Address: 192.168.0.10

I can ping 192.168.0.10 from the ws. Didn't see this error yesterday
with nslookup. using nslookup on www.microsoft.com:

www.microsoft.com
server: unknown
address: 192.168.0.10

Name: www.microsoft.com
address: 63.219.151.20

Re the second part of your message (and thanks for helping) yes the ws
has the def dns server listed as the server ip (192.168.0.10). However
no def gateway address is listed. I have the auto assign ip address
option selected and that diables the def gateway field.

I am able to browse the internet from the server. I'm not sure how to
check to see if http etc traffic is allowed with the internal network?

In article <O73IFVwOGHA.1040@xxxxxxxxxxxxxxxxxxxx>,
PleaseSubstituteMyActualFirstName&LastNameHere@xxxxxxxxxxx says...
In news:MPG.1e6ae8febfb4582f9899b7@xxxxxxxxxxxxxxxxxxxx,
network_out <none.none.none> stated, which I commented on below:
Hi - no I'm not able to ping a public ip addr from a workstation.
nslookup does work. I've only used nslookup a couple of times so I'm
not sure what it implies about my issues.

Thanks

Lack of pinging indicates blocked ICMP. Nonetheless, attempting to ping a
name should resolve it. When you ping from the workstation, ping using a
public name, such as www.macromedia.com. Tell us if it at least resolves the
name to an IP.


Example using nslookup in batch mode querying www.microsoft.com:
===================================
C:\>nslookup
Default Server: london.nwtraders.msft
Address: 192.168.5.200

(at the next prompt line signified by the ">" symbol, type in
www.microsoft.com and the results will follow below)

www.microsoft.com
Server: london.nwtraders.msft
Address: 192.168.5.200

Non-authoritative answer:
Name: lb1.www.ms.akadns.net
Addresses: 207.46.19.30, 207.46.20.60, 207.46.20.30, 207.46.18.30
207.46.198.60, 207.46.19.60, 207.46.199.60, 207.46.198.30
Aliases: www.microsoft.com, toggle.www.ms.akadns.net
g.www.ms.akadns.net

exit
===================================


If it cannot resolve www.microsoft.com, then it's indicating DNS traffic is
being blocked. Now if you are only using the server's IP for DNS in the
workstations, I would suggest to double check if DNS traffic (TCP and UDP
53) is allowed in/out from the server. But since you said the server works,
then do you allow HTTP and HTTPS traffic to the internal network? I assume
the gateway on the workstations is the Smoothwall.

Ace



.



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