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Declare the keep-response-order obsolete

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The keep-response-order option has been introduced when TCP pipelining
has been introduced to BIND 9 as a failsafe for possibly non-compliant
clients.

Declare the keep-response-order obsolete as all DNS clients should
either support out-of-order processing or don't send more DNS queries
until the DNS response for the previous one has been received.
This commit is contained in:
Ondřej Surý 2022-01-27 10:13:10 +01:00 committed by Evan Hunt
parent b215018067
commit 30f4bdb17e
9 changed files with 5 additions and 16 deletions
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1
bin/named/config.c
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@ -68,7 +68,6 @@ options {\n\
"\
heartbeat-interval 60;\n\
interface-interval 60;\n\
# keep-response-order {none;};\n\
listen-on {any;};\n\
listen-on-v6 {any;};\n\
# lock-file \"" NAMED_LOCALSTATEDIR "/run/named/named.lock\";\n\

1
bin/named/named.conf.rst
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@ -301,7 +301,6 @@ OPTIONS
ipv4only-server string;
ixfr-from-differences ( primary | master | secondary | slave |
boolean );
keep-response-order { address_match_element; ... };
key-directory quoted_string;
lame-ttl duration;
listen-on [ port integer ] [ dscp

1
bin/tests/system/pipelined/ns4/named.conf.in
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@ -20,7 +20,6 @@ options {
pid-file "named.pid";
listen-on { 10.53.0.4; };
listen-on-v6 { none; };
keep-response-order { 10.53.0.7/32; };
recursion yes;
dnssec-validation yes;
notify yes;

10
doc/arm/reference.rst
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@ -153,8 +153,8 @@ and a negated match denies access. If there is no match, access is
denied. The clauses ``allow-notify``, ``allow-recursion``,
``allow-recursion-on``, ``allow-query``, ``allow-query-on``,
``allow-query-cache``, ``allow-query-cache-on``, ``allow-transfer``,
``allow-update``, ``allow-update-forwarding``, ``blackhole``, and
``keep-response-order`` all use address match lists. Similarly, the
``allow-update``, ``allow-update-forwarding``, and ``blackhole``
all use address match lists. Similarly, the
``listen-on`` option causes the server to refuse queries on any of
the machine's addresses which do not match the list.
@ -2463,12 +2463,6 @@ for details on how to specify IP address lists.
from or use to resolve a query. Queries from these addresses are not
responded to. The default is ``none``.
``keep-response-order``
This specifies a list of addresses to which the server sends responses
to TCP queries, in the same order in which they were received. This
disables the processing of TCP queries in parallel. The default is
``none``.
``no-case-compress``
This specifies a list of addresses which require responses to use
case-insensitive compression. This ACL can be used when ``named``

1
doc/man/named.conf.5in
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@ -357,7 +357,6 @@ options {
ipv4only\-server string;
ixfr\-from\-differences ( primary | master | secondary | slave |
boolean );
keep\-response\-order { address_match_element; ... };
key\-directory quoted_string;
lame\-ttl duration;
listen\-on [ port integer ] [ dscp

2
doc/misc/options
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@ -214,7 +214,7 @@ options {
ipv4only-server <string>;
ixfr-from-differences ( primary | master | secondary | slave |
<boolean> );
keep-response-order { <address_match_element>; ... };
keep-response-order { <address_match_element>; ... }; // obsolete
key-directory <quoted_string>;
lame-ttl <duration>;
listen-on [ port <integer> ] [ dscp

1
doc/misc/options.active
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@ -213,7 +213,6 @@ options {
ipv4only-server <string>;
ixfr-from-differences ( primary | master | secondary | slave |
<boolean> );
keep-response-order { <address_match_element>; ... };
key-directory <quoted_string>;
lame-ttl <duration>;
listen-on [ port <integer> ] [ dscp

1
doc/misc/options.grammar.rst
View File

@ -144,7 +144,6 @@
ipv4only-server <string>;
ixfr-from-differences ( primary | master | secondary | slave |
<boolean> );
keep-response-order { <address_match_element>; ... };
key-directory <quoted_string>;
lame-ttl <duration>;
listen-on [ port <integer> ] [ dscp

3
lib/isccfg/namedconf.c
View File

@ -1274,7 +1274,8 @@ static cfg_clausedef_t options_clauses[] = {
{ "host-statistics-max", NULL, CFG_CLAUSEFLAG_ANCIENT },
{ "hostname", &cfg_type_qstringornone, 0 },
{ "interface-interval", &cfg_type_duration, 0 },
{ "keep-response-order", &cfg_type_bracketed_aml, 0 },
{ "keep-response-order", &cfg_type_bracketed_aml,
CFG_CLAUSEFLAG_OBSOLETE },
{ "listen-on", &cfg_type_listenon, CFG_CLAUSEFLAG_MULTI },
{ "listen-on-v6", &cfg_type_listenon, CFG_CLAUSEFLAG_MULTI },
{ "lock-file", &cfg_type_qstringornone, 0 },