[dns-operations] query source port 53, was Re: Why would an MTA issue an ANY query instead of an MX query?

Ray Bellis Ray.Bellis at nominet.org.uk
Wed Jun 13 08:33:34 UTC 2012

On 13 Jun 2012, at 00:56, Mark Andrews wrote:

> Both firewall configuration are broken.  You don't look at source
> ports if you are offering a service.

Although BIND does drop queries from source port 7 and a couple others... ;-)


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