codekingpro/portable-devtools

1<?xml version="1.0" encoding="UTF-8" standalone="no"?>2<!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>21.9. Peer Authentication</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-ident.html" title="21.8. Ident Authentication" /><link rel="next" href="auth-ldap.html" title="21.10. LDAP Authentication" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">21.9. Peer Authentication</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="auth-ident.html" title="21.8. Ident 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 16.3 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="auth-ldap.html" title="21.10. LDAP Authentication">Next</a></td></tr></table><hr /></div><div class="sect1" id="AUTH-PEER"><div class="titlepage"><div><div><h2 class="title" style="clear: both">21.9. Peer Authentication <a href="#AUTH-PEER" class="id_link">#</a></h2></div></div></div><a id="id-1.6.8.16.2" class="indexterm"></a><p>3    The peer authentication method works by obtaining the client's4    operating system user name from the kernel and using it as the5    allowed database user name (with optional user name mapping). This6    method is only supported on local connections.7   </p><p>8    The following configuration options are supported for <code class="literal">peer</code>:9    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">map</code></span></dt><dd><p>10        Allows for mapping between system and database user names. See11        <a class="xref" href="auth-username-maps.html" title="21.2. User Name Maps">Section 21.2</a> for details.12       </p></dd></dl></div><p>13   </p><p>14    Peer authentication is only available on operating systems providing15    the <code class="function">getpeereid()</code> function, the <code class="symbol">SO_PEERCRED</code>16    socket parameter, or similar mechanisms.  Currently that includes17    <span class="systemitem">Linux</span>,18    most flavors of <span class="systemitem">BSD</span> including19    <span class="systemitem">macOS</span>,20    and <span class="systemitem">Solaris</span>.21   </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="auth-ident.html" title="21.8. Ident 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="auth-ldap.html" title="21.10. LDAP Authentication">Next</a></td></tr><tr><td width="40%" align="left" valign="top">21.8. Ident Authentication </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 21.10. LDAP Authentication</td></tr></table></div></body></html>