提交 83521131 编写于 作者: B Bruce Momjian

This patch improves the "Client Authentication" section of the user's

guide in a few minor ways.

Neil Conway
上级 b4794bfb
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/client-auth.sgml,v 1.35 2002/04/09 00:38:24 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/client-auth.sgml,v 1.36 2002/08/16 04:48:16 momjian Exp $
-->
<chapter id="client-authentication">
......@@ -29,8 +29,9 @@ $Header: /cvsroot/pgsql/doc/src/sgml/client-auth.sgml,v 1.35 2002/04/09 00:38:24
<para>
<productname>PostgreSQL</productname> offers a number of different
client authentication methods. The method to be used can be selected
on the basis of (client) host, database, and user.
client authentication methods. The method used to authenticate a
particular client connection can be selected on the basis of
(client) host address, database, and user.
</para>
<para>
......@@ -56,8 +57,8 @@ $Header: /cvsroot/pgsql/doc/src/sgml/client-auth.sgml,v 1.35 2002/04/09 00:38:24
<filename>pg_hba.conf</filename> in the data directory, e.g.,
<filename>/usr/local/pgsql/data/pg_hba.conf</filename>.
(<acronym>HBA</> stands for host-based authentication.) A default
<filename>pg_hba.conf</filename> file is installed when the data area
is initialized by <command>initdb</command>.
<filename>pg_hba.conf</filename> file is installed when the data
directory is initialized by <command>initdb</command>.
</para>
<para>
......@@ -124,7 +125,7 @@ hostssl <replaceable>database</replaceable> <replaceable>user</replaceable> <rep
enabled with the <option>-l</> option or equivalent configuration
setting when the server is started. (Note: <literal>host</literal>
records will match either SSL or non-SSL connection attempts, but
<literal>hostssl</literal> records requires SSL connections.)
<literal>hostssl</literal> records require SSL connections.)
</para>
</listitem>
</varlistentry>
......@@ -199,9 +200,11 @@ hostssl <replaceable>database</replaceable> <replaceable>user</replaceable> <rep
<term><literal>trust</></term>
<listitem>
<para>
The connection is allowed unconditionally. This method allows
any user that has login access to the client host to connect as
any <productname>PostgreSQL</productname> user whatsoever.
The connection is allowed unconditionally. This method
allows anyone that can connect to the
<productname>PostgreSQL</productname> database to login as
any <productname>PostgreSQL</productname> user they like,
without the need for a password.
</para>
</listitem>
</varlistentry>
......@@ -222,7 +225,7 @@ hostssl <replaceable>database</replaceable> <replaceable>user</replaceable> <rep
<para>
Requires the client to supply an MD5 encrypted password for
authentication. This is the only method that allows encrypted
passwords to be stored in pg_shadow.
passwords to be stored in <structname>pg_shadow</structname>.
</para>
</listitem>
</varlistentry>
......@@ -273,15 +276,17 @@ hostssl <replaceable>database</replaceable> <replaceable>user</replaceable> <rep
<listitem>
<para>
For TCP/IP connections, authentication is done by contacting
the <firstterm>ident</firstterm> server on the client host.
This is only as secure as the client machine. You must specify
the map name after the 'ident' keyword. It determines how to
map remote user names to PostgreSQL user names. If you use
the <firstterm>ident</firstterm> server on the client
host. This is only as secure as the client machine. You must
specify the map name after the 'ident' keyword. It
determines how to map remote user names to
<productname>PostgreSQL</productname> user names. If you use
"sameuser", the user names are assumed to be identical. If
not, the map name is looked up in the $PGDATA/pg_ident.conf
file. The connection is accepted if that file contains an
entry for this map name with the ident-supplied user name and
the requested PostgreSQL user name.
entry for this map name with the ident-supplied user name
and the requested <productname>PostgreSQL</productname> user
name.
</para>
<para>
On machines that support unix-domain socket credentials
......@@ -317,8 +322,8 @@ hostssl <replaceable>database</replaceable> <replaceable>user</replaceable> <rep
<literal>postgresql</literal>. You can optionally supply you
own service name after the <literal>pam</> keyword in the
file. For more information about PAM, please read the <ulink
url="http://www.kernel.org/pub/linux/libs/pam/"><productname>L
inux-PAM</productname> Page</ulink> and the <ulink
url="http://www.kernel.org/pub/linux/libs/pam/"><productname>Linux-PAM</>
Page</ulink> and the <ulink
url="http://www.sun.com/software/solaris/pam/"><systemitem
class="osname">Solaris</> PAM Page</ulink>.
</para>
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册