DNS/BIND Port

Kevin Darcy kcd at daimlerchrysler.com
Mon Aug 18 21:38:27 UTC 2003


Jameson wrote:

> I currently have a network set-up behind a Linksys router/firewall. I
> am also setting up a DNS/Name Server running RedHat Linux and BIND 9.
> In order for incoming requests to come in to the server, I need to
> enable port forwarding, which I am already framiliar with. My question
> is simple: Does BIND use Port 53 for incoming requests? Once I have
> the port number, everything should be fine. Thanks in advance for the
> help!

Yes, all DNS servers and recursive resolvers listen on port 53 for
incoming requests. BIND can be configured to listen on a different port,
but this would only work if all of the clients were also configured to
send their queries to the non-standard port number.


- Kevin




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