Hello!
I am currently running a nameserver at home, using slackware 8.0 with iptables 1.2.2.
I have, during the last weeks, read tonns of docs about iptables, but not yet found an
answer to my problem.
Here we go:
Using bind 9 I run a nameserver. The zone files and named.conf are perfectly
configured. Locally everything resolves perfect, but when someone outside my internal
network sends an query to the nameserver (behind the firewall) they always get the
same "resolve" no matter what my zone files says or the local resolve says.
The result any external query gets is my external ip.
I am using: "iptables -t nat -A PREROUTING -p udp --dport 53 -i eth0 -j DNAT
--to-destination 192.168.0.9:53" to forward any domain request to my nameserver from
my firewall (192.168.0.1)
I have 2 nic's in the firewall (eth0 = cisco 677i adsl router, eth1 = local network)
Example:
Domain: test.musami.org
Zone files says: test.musami.org = 217.13.22.87
Local query (host test.musami.org 192.168.0.9) says:217.13.22.87
External query (host test.musami.org 217.13.22.50) says: 217.13.22.50
I have heard there might be a bug in iptables for this?
Hoping for an explaining answer (I am going crazy about this:>)
Thank you!
Sincerely
Lars Erik Petersen
mail: [EMAIL PROTECTED]
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