Re: DNS & ipfwadm

["Vishal Khanna" <vishal@xxxxxxxxxxxxxxxxxxx>]

Try using a splitbrain DNS, i.e one for the internal network and one for the
external world, if you need to figure out how, just let me know, you need to
have any unix box available on the internal network, you can then forget
ipfwadm.



>The simplest solution is to make a caching-only DNS server on the
>firewall box and point the clients inside the firewall to that.
>There's a HOWTO which tells you how to set up a caching-only DNS.
>
>Regards,
>
>-- Raju
>
>>>>>> "Manoj" == R Manoj <rmanoj@xxxxxxxxxxxxxxxxxx> writes:
>
>    Manoj> Hello all, Can somebody tell me how do i use DNS from
>    Manoj> inside a firewall ? I have implemented firewall using
>    Manoj> ipfwadm. My private network address is 192.168.1.0 and i've
>    Manoj> got a second network card also installed on my linux box(RH
>    Manoj> 5.2 pcq) which has got a valid ip through which outside
>    Manoj> communication is done .
>
>    Manoj> When i do ' nslookup' after enabling the firewall an error
>    Manoj> msg=>" cant find server name for address 127.0.0.1. No
>    Manoj> response from server . Default servers are not available. "
>    Manoj> But if the firewall is down nslookup works.Can somebody
>    Manoj> point me in the right direction ? I guess my DNS is
>    Manoj> configured wrong.  Thanks a lot.  Manoj
>
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