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1 | | -<!-- $PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.397 2007/12/25 17:06:52 momjian Exp $ --> |
| 1 | +<!-- $PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.398 2007/12/29 03:36:56 momjian Exp $ --> |
2 | 2 |
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3 | 3 | <chapter Id="runtime"> |
4 | 4 | <title>Operating System Environment</title> |
@@ -1604,7 +1604,10 @@ $ <userinput>kill -INT `head -1 /usr/local/pgsql/data/postmaster.pid`</userinput |
1604 | 1604 | ciphers can be specified in the <productname>OpenSSL</productname> |
1605 | 1605 | configuration file, you can specify ciphers specifically for use by |
1606 | 1606 | the database server by modifying <xref linkend="guc-ssl-ciphers"> in |
1607 | | - <filename>postgresql.conf</>. |
| 1607 | + <filename>postgresql.conf</>. It is possible to allow authentication |
| 1608 | + without the overhead of encryption by using <literal>NULL-SHA</> or |
| 1609 | + <literal>NULL-MD5</> ciphers. However, a man-in-the-middle could read |
| 1610 | + and pass communications between client and server. |
1608 | 1611 | </para> |
1609 | 1612 |
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1610 | 1613 | <para> |
|