public network traffic to my ip address port 53
Miguel Lopes Santos Ramos
org.freebsd at miguel.ramos.name
Thu Mar 19 14:55:44 UTC 2015
A Qui, 19-03-2015 às 10:52 -0400, Ernie Luzar escreveu:
> 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?
UDP port 53 is for DNS name resolution.
You can block them, since you don't run a name server (otherwise, you
would know what port 53 is for).
However, if no one is listening on port 53, there isn't much reason to
block it at the firewall.
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