Pull request 2060: 6368-conf-ratelimit-subnet-len

Updates #6368.

Squashed commit of the following:

commit def3bd7c746c671efaf655c3cfbb1a7664becd85
Merge: 59d678c95 d3862614e
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Thu Nov 9 16:27:36 2023 +0300

    Merge branch 'master' into 6368-conf-ratelimit-subnet-len

commit 59d678c95978d4ab21b952ef0cae70cad1ad50d8
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Nov 8 18:16:40 2023 +0300

    all: imp chlog

commit 69d6a57d7facbdc6038612f31796f727adcb107f
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Nov 8 17:48:19 2023 +0300

    all: upd chlog

commit fa1998352618c839e248eb86c84e75933e0a5d0f
Merge: 236ba3bce f8fe9bfc8
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Nov 8 16:22:31 2023 +0300

    Merge branch 'master' into 6368-conf-ratelimit-subnet-len

commit 236ba3bceefbe6f9eeb6c70150f5a371f014f60d
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Nov 8 16:21:09 2023 +0300

    all: upd dnsproxy

commit 771af632f7795af6cdd53ffd81d0294165441439
Merge: 5a23b039e cbcc17a58
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Tue Nov 7 17:51:56 2023 +0300

    Merge branch 'master' into 6368-conf-ratelimit-subnet-len

commit 5a23b039e59d1ec5cb2bfea3942da7104db3b9bd
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Tue Nov 7 17:49:27 2023 +0300

    all: upd dnsproxy

commit 8b7aca3fbd21897183378470fd687380630602eb
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Fri Nov 3 16:37:41 2023 +0300

    all: upd chlog

commit bd7d23bacc08d8f907e0e7e07a48259bb9ed17e8
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Fri Nov 3 15:52:06 2023 +0300

    all: conf ratelimit subnet len

CHANGELOG.md

@@ -25,6 +25,8 @@ NOTE: Add new changes BELOW THIS COMMENT.
 
 ### Added
 
+- Ability to specify subnet lengths for IPv4 and IPv6 addresses, used for rate
+  limiting requests, in the configuration file ([#6368]).
 - Ability to specify multiple domain specific upstreams per line, e.g.
   `[/domain1/../domain2/]upstream1 upstream2 .. upstreamN` ([#4977]).
 
@@ -33,6 +35,11 @@ NOTE: Add new changes BELOW THIS COMMENT.
 - The height of ready-to-use filter lists has been increased ([#6358]).
 - Improved authentication failure logging ([#6357]).
 
+#### Configuration Changes
+
+- New properties `dns.ratelimit_subnet_len_ipv4` and
+  `dns.ratelimit_subnet_len_ipv6` in the configuration file ([#6368]).
+
 ### Fixed
 
 - Average request processing time calculation ([#6220]).
@@ -52,6 +59,7 @@ NOTE: Add new changes BELOW THIS COMMENT.
 [#6338]: https://github.com/AdguardTeam/AdGuardHome/issues/6338
 [#6357]: https://github.com/AdguardTeam/AdGuardHome/issues/6357
 [#6358]: https://github.com/AdguardTeam/AdGuardHome/issues/6358
+[#6368]: https://github.com/AdguardTeam/AdGuardHome/issues/6368
 
 <!--
 NOTE: Add new changes ABOVE THIS COMMENT.