dnsmasq not starting from NetworkManager with SELinux enabled.

OpenWrt - Dnsmasq
OpenWrt – Dnsmasq (Photo credit: magicfab)

 

Some time back I posted on dnsmasq starting from Network Manager and how to setup dnsmasq.

 

Now, couple of days back , I setup dnsmasq in NetworkManager but was astonished to see that there was no dnsmasq running. I checked with dig and saw that there was no response from localhost for dns queries. Checked “ps -eaf|grep dns” and found that there was no dnsmasq running. I knew that once you mention “dns=dnsmasq” in the NetworkManager then it should start up but that was not happening. And then I checked audit log, found that some permissions were denied by SELinux.

 

First check if dnsmasq is indeed having issues because of SELinux:

 

grep -C 5 sealert /var/log/messages

 

If you do see something then time to fix it.

 

grep dnsmasq /var/log/audit/audit.log
audit2allow -M mypol && semodule -i mypol.pp
systemctl restart NetworkManager

 

And with this, you should be done, though you might have to repeat this multiple times.

 

 

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About Amit Agarwal