doc: Update ‘block-facebook-hosts-service-type’ description.

This is a followup to c1d37d0653.

* doc/guix.texi (Networking Services): Update to mention unroutable
addresses.

Change-Id: I6f62e1f414a3eb7892b2d4cc0d011458bbec7001
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Ludovic Courtès 2024-03-21 14:15:16 +01:00
parent 6f9d844d2e
commit c8c5d12e45
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1 changed files with 3 additions and 3 deletions

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@ -22719,9 +22719,9 @@ Logging level.
This service type adds a list of known Facebook hosts to the
@file{/etc/hosts} file.
(@pxref{Host Names,,, libc, The GNU C Library Reference Manual})
Each line contains a entry that maps a known server name of the Facebook
on-line service---e.g., @code{www.facebook.com}---to the local
host---@code{127.0.0.1} or its IPv6 equivalent, @code{::1}.
Each line contains an entry that maps a known server name of the Facebook
on-line service---e.g., @code{www.facebook.com}---to unroutable IPv4 and
IPv6 addresses.
This mechanism can prevent programs running locally, such as Web
browsers, from accessing Facebook.