resolver

[Michael Voight]

Would the ortiginal poster state whether the sending port or destination
port had to be 53?

source port can't be 53 (generally), and destinatin port defaults to 53
(generally)

Michael

Jim Reid wrote:
> 
> >>>>> "Dat" == Dat Nguyen <dnguyen at simpletech.com> writes:
> 
>     Dat> Because of our firewall, I need to set the resolver to use
>     Dat> port 53 to make queries.  How do I do this?
> 
> You can't. Even if there was such an option in resolv.conf, it
> wouldn't work most of the time. Only the super-user can bind() to port
> 53, so ordinary users wouldn't have permission to use this port number.
> Why no point the resolvers at a local name server and arrange for that
> server or servers to pass DNS queries and replies through the
> firewall?