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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>21.15. Authentication Problems</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="auth-bsd.html" title="21.14. BSD Authentication" /><link rel="next" href="user-manag.html" title="Chapter 22. Database Roles" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">21.15. Authentication Problems</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="auth-bsd.html" title="21.14. BSD Authentication">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="client-authentication.html" title="Chapter 21. Client Authentication">Up</a></td><th width="60%" align="center">Chapter 21. Client Authentication</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="user-manag.html" title="Chapter 22. Database Roles">Next</a></td></tr></table><hr /></div><div class="sect1" id="CLIENT-AUTHENTICATION-PROBLEMS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">21.15. Authentication Problems</h2></div></div></div><p>
+    Authentication failures and related problems generally
+    manifest themselves through error messages like the following:
+   </p><p>
+</p><pre class="programlisting">
+FATAL:  no pg_hba.conf entry for host "123.123.123.123", user "andym", database "testdb"
+</pre><p>
+    This is what you are most likely to get if you succeed in contacting
+    the server, but it does not want to talk to you. As the message
+    suggests, the server refused the connection request because it found
+    no matching entry in its <code class="filename">pg_hba.conf</code>
+    configuration file.
+   </p><p>
+</p><pre class="programlisting">
+FATAL:  password authentication failed for user "andym"
+</pre><p>
+    Messages like this indicate that you contacted the server, and it is
+    willing to talk to you, but not until you pass the authorization
+    method specified in the <code class="filename">pg_hba.conf</code> file. Check
+    the password you are providing, or check your Kerberos or ident
+    software if the complaint mentions one of those authentication
+    types.
+   </p><p>
+</p><pre class="programlisting">
+FATAL:  user "andym" does not exist
+</pre><p>
+    The indicated database user name was not found.
+   </p><p>
+</p><pre class="programlisting">
+FATAL:  database "testdb" does not exist
+</pre><p>
+    The database you are trying to connect to does not exist. Note that
+    if you do not specify a database name, it defaults to the database
+    user name, which might or might not be the right thing.
+   </p><div class="tip"><h3 class="title">Tip</h3><p>
+    The server log might contain more information about an
+    authentication failure than is reported to the client. If you are
+    confused about the reason for a failure, check the server log.
+   </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="auth-bsd.html" title="21.14. BSD Authentication">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="client-authentication.html" title="Chapter 21. Client Authentication">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="user-manag.html" title="Chapter 22. Database Roles">Next</a></td></tr><tr><td width="40%" align="left" valign="top">21.14. BSD Authentication </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> Chapter 22. Database Roles</td></tr></table></div></body></html>
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