bind9/doc/man
Ondřej Surý b48e9ab201 Add stale-cache-enable option and disable serve-stable by default
The current serve-stale implementation in BIND 9 stores all received
records in the cache for a max-stale-ttl interval (default 12 hours).

This allows DNS operators to turn the serve-stale answers in an event of
large authoritative DNS outage.  The caching of the stale answers needs
to be enabled before the outage happens or the feature would be
otherwise useless.

The negative consequence of the default setting is the inevitable
cache-bloat that happens for every and each DNS operator running named.

In this MR, a new configuration option `stale-cache-enable` is
introduced that allows the operators to selectively enable or disable
the serve-stale feature of BIND 9 based on their decision.

The newly introduced option has been disabled by default,
e.g. serve-stale is disabled in the default configuration and has to be
enabled if required.

(cherry picked from commit ce53db34d6)
2020-08-05 09:09:16 +02:00
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.gitignore Convert the documentation to Sphinx documentation format 2020-06-01 09:54:45 +02:00
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dnssec-importkey.8in Fix formatting of See Also section header 2020-07-01 23:46:39 +02:00
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Makefile.in Restore man pages for symlinked BIND tools 2020-07-01 22:06:25 +02:00
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named.8in add support for building sphinx documentation 2020-06-01 09:54:46 +02:00
named.conf.5in Add stale-cache-enable option and disable serve-stable by default 2020-08-05 09:09:16 +02:00
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rndc.8in Update notes, changes for #1612 2020-07-01 09:58:25 +02:00
rndc.conf.5in Commit the regenerated rndc.conf.5in manual page 2020-07-01 12:21:16 +02:00
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