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Add note cautioning that you can't use an encrypting IDENT server

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with Postgres.
This commit is contained in:
Tom Lane 2005-01-28 22:38:37 +00:00
parent 875b0c62fa
commit a9fec25df8
1 changed files with 11 additions and 2 deletions
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13
doc/src/sgml/client-auth.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/client-auth.sgml,v 1.71 2005/01/23 00:30:18 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/client-auth.sgml,v 1.72 2005/01/28 22:38:37 tgl Exp $
-->
<chapter id="client-authentication">
@ -709,7 +709,7 @@ local db1,db2,@demodbs all md5
<para>
The ident authentication method works by obtaining the client's
operating system user name and determining the allowed database
operating system user name, then determining the allowed database
user names using a map file that lists the permitted
corresponding pairs of names. The determination of the client's
user name is the security-critical point, and it works differently
@ -752,6 +752,15 @@ local db1,db2,@demodbs all md5
</para>
</blockquote>
</para>
<para>
Some ident servers have a nonstandard option that causes the returned
user name to be encrypted, using a key that only the originating
machine's administrator knows. This option <emphasis>must not</> be
used when using the ident server with <productname>PostgreSQL</>,
since <productname>PostgreSQL</> does not have any way to decrypt the
returned string to determine the actual user name.
</para>
</sect3>
<sect3>