however; see the <xref linkend="guc-hba-file"/> configuration parameter.
</para>
+ <para>
+ The <filename>pg_hba.conf</filename> file is read on start-up and when
+ the main server process receives a
+ <systemitem>SIGHUP</systemitem><indexterm><primary>SIGHUP</primary></indexterm>
+ signal. If you edit the file on an
+ active system, you will need to signal the postmaster
+ (using <literal>pg_ctl reload</literal>, calling the SQL function
+ <function>pg_reload_conf()</function>, or using <literal>kill
+ -HUP</literal>) to make it re-read the file.
+ </para>
+
+ <note>
+ <para>
+ The preceding statement is not true on Microsoft Windows: there, any
+ changes in the <filename>pg_hba.conf</filename> file are immediately
+ applied by subsequent new connections.
+ </para>
+ </note>
+
+ <para>
+ The system view
+ <link linkend="view-pg-hba-file-rules"><structname>pg_hba_file_rules</structname></link>
+ can be helpful for pre-testing changes to the <filename>pg_hba.conf</filename>
+ file, or for diagnosing problems if loading of the file did not have the
+ desired effects. Rows in the view with
+ non-null <structfield>error</structfield> fields indicate problems in the
+ corresponding lines of the file.
+ </para>
+
<para>
The general format of the <filename>pg_hba.conf</filename> file is
a set of records, one per line. Blank lines are ignored, as is any
range of allowed client IP addresses.
</para>
- <para>
- The <filename>pg_hba.conf</filename> file is read on start-up and when
- the main server process receives a
- <systemitem>SIGHUP</systemitem><indexterm><primary>SIGHUP</primary></indexterm>
- signal. If you edit the file on an
- active system, you will need to signal the postmaster
- (using <literal>pg_ctl reload</literal>, calling the SQL function
- <function>pg_reload_conf()</function>, or using <literal>kill
- -HUP</literal>) to make it re-read the file.
- </para>
-
- <note>
- <para>
- The preceding statement is not true on Microsoft Windows: there, any
- changes in the <filename>pg_hba.conf</filename> file are immediately
- applied by subsequent new connections.
- </para>
- </note>
-
- <para>
- The system view
- <link linkend="view-pg-hba-file-rules"><structname>pg_hba_file_rules</structname></link>
- can be helpful for pre-testing changes to the <filename>pg_hba.conf</filename>
- file, or for diagnosing problems if loading of the file did not have the
- desired effects. Rows in the view with
- non-null <structfield>error</structfield> fields indicate problems in the
- corresponding lines of the file.
- </para>
-
<tip>
<para>
To connect to a particular database, a user must not only pass the
As for <filename>pg_hba.conf</filename>, the lines in this file can
be include directives, following the same rules.
</para>
+
+ <para>
+ The <filename>pg_ident.conf</filename> file is read on start-up and
+ when the main server process receives a
+ <systemitem>SIGHUP</systemitem><indexterm><primary>SIGHUP</primary></indexterm>
+ signal. If you edit the file on an
+ active system, you will need to signal the postmaster
+ (using <literal>pg_ctl reload</literal>, calling the SQL function
+ <function>pg_reload_conf()</function>, or using <literal>kill
+ -HUP</literal>) to make it re-read the file.
+ </para>
+
+ <para>
+ The system view
+ <link linkend="view-pg-ident-file-mappings"><structname>pg_ident_file_mappings</structname></link>
+ can be helpful for pre-testing changes to the
+ <filename>pg_ident.conf</filename> file, or for diagnosing problems if
+ loading of the file did not have the desired effects. Rows in the view with
+ non-null <structfield>error</structfield> fields indicate problems in the
+ corresponding lines of the file.
+ </para>
+
<para>
There is no restriction regarding how many database users a given
operating system user can correspond to, nor vice versa. Thus, entries
</para>
</tip>
- <para>
- The <filename>pg_ident.conf</filename> file is read on start-up and
- when the main server process receives a
- <systemitem>SIGHUP</systemitem><indexterm><primary>SIGHUP</primary></indexterm>
- signal. If you edit the file on an
- active system, you will need to signal the postmaster
- (using <literal>pg_ctl reload</literal>, calling the SQL function
- <function>pg_reload_conf()</function>, or using <literal>kill
- -HUP</literal>) to make it re-read the file.
- </para>
-
- <para>
- The system view
- <link linkend="view-pg-ident-file-mappings"><structname>pg_ident_file_mappings</structname></link>
- can be helpful for pre-testing changes to the
- <filename>pg_ident.conf</filename> file, or for diagnosing problems if
- loading of the file did not have the desired effects. Rows in the view with
- non-null <structfield>error</structfield> fields indicate problems in the
- corresponding lines of the file.
- </para>
-
<para>
A <filename>pg_ident.conf</filename> file that could be used in
conjunction with the <filename>pg_hba.conf</filename> file in <xref