[PATCH] Documented the "ipv4=off" parameter of the "resolver" directive

Yaroslav Zhuravlev yar at nginx.com
Fri Jul 15 11:49:42 UTC 2022


[...]

>> +<para id="resolver_ipv4">
>> +If looking up of IPv4 addresses is not desired,
>> +the <literal>ipv4=off</literal> parameter can be specified (1.23.1).
>> +</para>
> 
> Shouldn't it be in the same paragraph which describes the default 
> behaviour ("both IPv4 and IPv6 addresses") and "ipv6=off"?
> 
> It might be also a good idea to describe "ipv6=off" and 
> "ipv4=off" in one sentence instead of repeating the same phrase 
> twice.
> 

Hi Maxim, 

Thank you for your feedback, the patch reworked, in the new version the changes are minimal if compared to the current doc:

# HG changeset patch
# User Yaroslav Zhuravlev <yar at nginx.com>
# Date 1657884682 -3600
#      Fri Jul 15 12:31:22 2022 +0100
# Node ID eba78fc7fe66c1d1a51064c509a11945bb6ef8a4
# Parent  9172cf4d2713b685d6956810e5fcad4c29881637
Documented the "ipv4=off" parameter of the "resolver" directive.

diff --git a/xml/en/docs/http/ngx_http_core_module.xml b/xml/en/docs/http/ngx_http_core_module.xml
--- a/xml/en/docs/http/ngx_http_core_module.xml
+++ b/xml/en/docs/http/ngx_http_core_module.xml
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_core_module"
         link="/en/docs/http/ngx_http_core_module.html"
         lang="en"
-        rev="99">
+        rev="100">
 
 <section id="directives" name="Directives">
 
@@ -2181,6 +2181,7 @@
     <value>address</value> ...
     [<literal>valid</literal>=<value>time</value>]
     [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
+    [<literal>ipv4</literal>=<literal>on</literal>|<literal>off</literal>]
     [<literal>status_zone</literal>=<value>zone</value>]</syntax>
 <default/>
 <context>http</context>
@@ -2206,8 +2207,9 @@
 
 <para id="resolver_ipv6">
 By default, nginx will look up both IPv4 and IPv6 addresses while resolving.
-If looking up of IPv6 addresses is not desired,
-the <literal>ipv6=off</literal> parameter can be specified.
+If looking up of any part of these addresses is not desired,
+the <literal>ipv6=off</literal> or
+the <literal>ipv4=off</literal> (1.23.1) parameter can be specified.
 <note>
 Resolving of names into IPv6 addresses is supported
 starting from version 1.5.8.
diff --git a/xml/en/docs/mail/ngx_mail_core_module.xml b/xml/en/docs/mail/ngx_mail_core_module.xml
--- a/xml/en/docs/mail/ngx_mail_core_module.xml
+++ b/xml/en/docs/mail/ngx_mail_core_module.xml
@@ -10,7 +10,7 @@
 <module name="Module ngx_mail_core_module"
         link="/en/docs/mail/ngx_mail_core_module.html"
         lang="en"
-        rev="19">
+        rev="20">
 
 <section id="summary">
 
@@ -314,6 +314,7 @@
     <value>address</value> ...
     [<literal>valid</literal>=<value>time</value>]
     [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
+    [<literal>ipv4</literal>=<literal>on</literal>|<literal>off</literal>]
     [<literal>status_zone</literal>=<value>zone</value>]</syntax>
 <syntax><literal>off</literal></syntax>
 <default>off</default>
@@ -344,8 +345,9 @@
 
 <para id="resolver_ipv6">
 By default, nginx will look up both IPv4 and IPv6 addresses while resolving.
-If looking up of IPv6 addresses is not desired,
-the <literal>ipv6=off</literal> parameter can be specified.
+If looking up of any part of these addresses is not desired,
+the <literal>ipv6=off</literal> or
+the <literal>ipv4=off</literal> (1.23.1) parameter can be specified.
 <note>
 Resolving of names into IPv6 addresses is supported
 starting from version 1.5.8.
diff --git a/xml/en/docs/stream/ngx_stream_core_module.xml b/xml/en/docs/stream/ngx_stream_core_module.xml
--- a/xml/en/docs/stream/ngx_stream_core_module.xml
+++ b/xml/en/docs/stream/ngx_stream_core_module.xml
@@ -9,7 +9,7 @@
 <module name="Module ngx_stream_core_module"
         link="/en/docs/stream/ngx_stream_core_module.html"
         lang="en"
-        rev="34">
+        rev="35">
 
 <section id="summary">
 
@@ -342,6 +342,7 @@
     <value>address</value> ...
     [<literal>valid</literal>=<value>time</value>]
     [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
+    [<literal>ipv4</literal>=<literal>on</literal>|<literal>off</literal>]
     [<literal>status_zone</literal>=<value>zone</value>]</syntax>
 <default/>
 <context>stream</context>
@@ -362,8 +363,9 @@
 
 <para id="resolver_ipv6">
 By default, nginx will look up both IPv4 and IPv6 addresses while resolving.
-If looking up of IPv6 addresses is not desired,
-the <literal>ipv6=off</literal> parameter can be specified.
+If looking up of any part of these addresses is not desired,
+the <literal>ipv6=off</literal> or
+the <literal>ipv4=off</literal> (1.23.1) parameter can be specified.
 </para>
 
 <para id="resolver_valid">
diff --git a/xml/ru/docs/http/ngx_http_core_module.xml b/xml/ru/docs/http/ngx_http_core_module.xml
--- a/xml/ru/docs/http/ngx_http_core_module.xml
+++ b/xml/ru/docs/http/ngx_http_core_module.xml
@@ -10,7 +10,7 @@
 <module name="Модуль ngx_http_core_module"
         link="/ru/docs/http/ngx_http_core_module.html"
         lang="ru"
-        rev="99">
+        rev="100">
 
 <section id="directives" name="Директивы">
 
@@ -2178,6 +2178,7 @@
     <value>адрес</value> ...
     [<literal>valid</literal>=<value>время</value>]
     [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
+    [<literal>ipv4</literal>=<literal>on</literal>|<literal>off</literal>]
     [<literal>status_zone</literal>=<value>зона</value>]</syntax>
 <default/>
 <context>http</context>
@@ -2204,8 +2205,9 @@
 <para id="resolver_ipv6">
 По умолчанию nginx будет искать как IPv4-, так и IPv6-адреса
 при преобразовании имён в адреса.
-Если поиск IPv6-адресов нежелателен,
-можно указать параметр <literal>ipv6=off</literal>.
+Если поиск части адресов нежелателен,
+можно указать параметр <literal>ipv6=off</literal>
+или <literal>ipv4=off</literal> (1.23.1).
 <note>
 Преобразование имён в IPv6-адреса поддерживается
 начиная с версии 1.5.8.
diff --git a/xml/ru/docs/mail/ngx_mail_core_module.xml b/xml/ru/docs/mail/ngx_mail_core_module.xml
--- a/xml/ru/docs/mail/ngx_mail_core_module.xml
+++ b/xml/ru/docs/mail/ngx_mail_core_module.xml
@@ -10,7 +10,7 @@
 <module name="Модуль ngx_mail_core_module"
         link="/ru/docs/mail/ngx_mail_core_module.html"
         lang="ru"
-        rev="19">
+        rev="20">
 
 <section id="summary">
 
@@ -317,6 +317,7 @@
     <value>адрес</value> ...
     [<literal>valid</literal>=<value>time</value>]
     [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
+    [<literal>ipv4</literal>=<literal>on</literal>|<literal>off</literal>]
     [<literal>status_zone</literal>=<value>зона</value>]</syntax>
 <syntax><literal>off</literal></syntax>
 <default>off</default>
@@ -348,8 +349,9 @@
 <para id="resolver_ipv6">
 По умолчанию nginx будет искать как IPv4-, так и IPv6-адреса
 при преобразовании имён в адреса.
-Если поиск IPv6-адресов нежелателен,
-можно указать параметр <literal>ipv6=off</literal>.
+Если поиск части адресов нежелателен,
+можно указать параметр <literal>ipv6=off</literal>
+или <literal>ipv4=off</literal> (1.23.1).
 <note>
 Преобразование имён в IPv6-адреса поддерживается
 начиная с версии 1.5.8.
diff --git a/xml/ru/docs/stream/ngx_stream_core_module.xml b/xml/ru/docs/stream/ngx_stream_core_module.xml
--- a/xml/ru/docs/stream/ngx_stream_core_module.xml
+++ b/xml/ru/docs/stream/ngx_stream_core_module.xml
@@ -9,7 +9,7 @@
 <module name="Модуль ngx_stream_core_module"
         link="/ru/docs/stream/ngx_stream_core_module.html"
         lang="ru"
-        rev="34">
+        rev="35">
 
 <section id="summary">
 
@@ -347,6 +347,7 @@
     <value>адрес</value> ...
     [<literal>valid</literal>=<value>время</value>]
     [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
+    [<literal>ipv4</literal>=<literal>on</literal>|<literal>off</literal>]
     [<literal>status_zone</literal>=<value>зона</value>]</syntax>
 <default/>
 <context>stream</context>
@@ -368,8 +369,9 @@
 <para id="resolver_ipv6">
 По умолчанию nginx будет искать как IPv4-, так и IPv6-адреса
 при преобразовании имён в адреса.
-Если поиск IPv6-адресов нежелателен,
-можно указать параметр <literal>ipv6=off</literal>.
+Если поиск части адресов нежелателен,
+можно указать параметр <literal>ipv6=off</literal>
+или <literal>ipv4=off</literal> (1.23.1).
 </para>
 
 <para id="resolver_valid">


[...]


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