public network traffic to my ip address port 53

Olivier Nicole Olivier.Nicole at
Thu Mar 19 14:55:45 UTC 2015


> In my firewall log I see thousands of udp packets from ip addresses all 
> over the word trying to access my freebsd gateway server on port 53.
> Right now I am blocking them and see no negative effects.
> Is there any valid reason to allow these unsolicited inbound packets 
> access to my system on port 53?

You know port 53 is DNS?

Maybe your IP was previously used by a DNS server.

If you bloc port 53, you may consider leaving it open enough to be able
to solve your own DNS requests.


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