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
master
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6f9d844d2e
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c8c5d12e45
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@ -22719,9 +22719,9 @@ Logging level.
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This service type adds a list of known Facebook hosts to the
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@file{/etc/hosts} file.
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(@pxref{Host Names,,, libc, The GNU C Library Reference Manual})
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Each line contains a entry that maps a known server name of the Facebook
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on-line service---e.g., @code{www.facebook.com}---to the local
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host---@code{127.0.0.1} or its IPv6 equivalent, @code{::1}.
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Each line contains an entry that maps a known server name of the Facebook
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on-line service---e.g., @code{www.facebook.com}---to unroutable IPv4 and
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IPv6 addresses.
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This mechanism can prevent programs running locally, such as Web
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browsers, from accessing Facebook.
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