From: Michał Kępień Date: Tue, 10 Aug 2021 10:20:52 +0000 (+0200) Subject: Reorder release notes X-Git-Tag: v9.17.17~2^2~2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50ca6ac50f3f69dc4cadb055a0da8a95af877f18;p=thirdparty%2Fbind9.git Reorder release notes --- diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst index 56633de0275..5123d55a29e 100644 --- a/doc/notes/notes-current.rst +++ b/doc/notes/notes-current.rst @@ -14,16 +14,16 @@ Notes for BIND 9.17.17 Security Fixes ~~~~~~~~~~~~~~ +- Fixed an assertion failure that occurred in ``named`` when it + attempted to send a UDP packet that exceeded the MTU size, if + Response Rate Limiting (RRL) was enabled. (CVE-2021-25218) :gl:`#2856` + - ``named`` failed to check the opcode of responses when performing zone refreshes, stub zone updates, and UPDATE forwarding. This could lead to an assertion failure under certain conditions and has been addressed by rejecting responses whose opcode does not match the expected value. :gl:`#2762` -- Fixed an assertion failure that occurred in ``named`` when it - attempted to send a UDP packet that exceeded the MTU size, if - Response Rate Limiting (RRL) was enabled. (CVE-2021-25218) :gl:`#2856` - Known Issues ~~~~~~~~~~~~ @@ -32,6 +32,10 @@ Known Issues New Features ~~~~~~~~~~~~ +- DNS-over-HTTPS (DoH) support can now be disabled at compile time using + a new build-time option, ``--disable-doh``. This allows BIND 9 to be + built without the libnghttp2 library. :gl:`#2478` + - It is now possible to set a hard quota on both the number of concurrent DNS-over-HTTPS (DoH) connections and the number of active HTTP/2 streams per connection, by using the ``http-listener-clients`` @@ -48,16 +52,6 @@ Removed Features Feature Changes ~~~~~~~~~~~~~~~ -- DNS-over-HTTPS (DoH) support can now be disabled at compile time using - a new build-time option, ``--disable-doh``. This allows BIND 9 to be - built without the libnghttp2 library. :gl:`#2478` - -- Memory allocation has been substantially refactored; it is now based - on the memory allocation API provided by the jemalloc library, on - platforms where it is available. Use of this library is now - recommended when building BIND 9; although it is optional, it is - enabled by default. :gl:`#2433` - - Previously, ``named`` accepted FORMERR responses both with and without an OPT record, as an indication that a given server did not support EDNS. To implement full compliance with :rfc:`6891`, only FORMERR @@ -66,6 +60,20 @@ Feature Changes incorrectly echo back the query message with the RCODE field set to FORMERR and the QR bit set to 1. :gl:`#2249` +- Memory allocation has been substantially refactored; it is now based + on the memory allocation API provided by the jemalloc library, on + platforms where it is available. Use of this library is now + recommended when building BIND 9; although it is optional, it is + enabled by default. :gl:`#2433` + +- Testing revealed that setting the thread affinity for various types of + ``named`` threads led to inconsistent recursive performance, as + sometimes multiple sets of threads competed over a single resource. + + Due to the above, ``named`` no longer sets thread affinity. This + causes a slight dip of around 5% in authoritative performance, but + recursive performance is now consistently improved. :gl:`#2822` + - CDS and CDNSKEY records can now be published in a zone without the requirement that they exactly match an existing DNSKEY record, as long as the zone is signed with an algorithm represented in the CDS or @@ -75,10 +83,3 @@ Feature Changes Bug Fixes ~~~~~~~~~ -- Testing revealed that setting the thread affinity for various types of - ``named`` threads led to inconsistent recursive performance, as - sometimes multiple sets of threads competed over a single resource. - - Due to the above, ``named`` no longer sets thread affinity. This - causes a slight dip of around 5% in authoritative performance, but - recursive performance is now consistently improved. :gl:`#2822`