Date: Thu, 19 Mar 2015 21:55:36 +0700 From: Olivier Nicole <Olivier.Nicole@cs.ait.ac.th> To: Ernie Luzar <luzar722@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: public network traffic to my ip address port 53 Message-ID: <wu7mw39dok7.fsf@banyan.cs.ait.ac.th> In-Reply-To: <550AE2A7.3010903@gmail.com> (message from Ernie Luzar on Thu, 19 Mar 2015 10:52:23 -0400)
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Ernie, > 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. Olivier > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > --
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