How to block facebook access

John Levine johnl at
Sun Aug 20 18:49:29 UTC 2017

In article <20170820153621.GA9420 at 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 and


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