Date: Sun, 20 Aug 2017 12:05:15 -0700 From: Ultima <ultima1252@gmail.com> To: John Levine <johnl@iecc.com> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org>, rsmith@xs4all.nl Subject: Re: How to block facebook access Message-ID: <CANJ8om4-sR6Y-oUQHMWW625wOuvsAeduJWkPWq4gSoE25a8jdQ@mail.gmail.com> In-Reply-To: <20170820184906.4869.qmail@ary.lan> References: <20170820153621.GA9420@slackbox.erewhon.home> <20170820184906.4869.qmail@ary.lan>
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Can also redirect requests to port 53 to your dns resolver. This is a simple task on ipv4 but ipv6 is significantly more difficult to do so. Still haven't figured out how to do this properly on ipv6 but an easy solution is just blocking ipv6 dns requests. On Sun, Aug 20, 2017 at 11:49 AM, John Levine <johnl@iecc.com> wrote: > In article <20170820153621.GA9420@slackbox.erewhon.home> you write: > >I would hazard a guess that *most* facebook users wouldn't be technically > >savvy enough to use an IP-adres. > > Even if they are, FB will redirect them to a name. They'd either have > to use an external DNS cache or a VPN. I suppose one could preemptively > block port 53 requests out to 8.8.8.8 and 8.8.4.4. > > R's, > John > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org" >
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