[Dnsmasq-discuss] No more random source port

Simon Kelley simon at thekelleys.org.uk
Wed Mar 22 22:04:22 GMT 2017

On 22/03/17 16:30, Risto Suominen wrote:

> Mar 20 22:12:00 risto-Macmini dnsmasq[30248]: using nameserver
> eth0)

This indicates that dnsmasq has been configured to force the packets to
the upstream server via eth0. To do that requires an operation on the
socket which can only be done as root, so the socket has to be
pre-allocated and there's no random source port.

It looks like dnsmasq is being configured by networkmanager via the
DBus, and I guess it's that which is doing the configuration of the
upstream server.



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