<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>5.2. Avoid having a weak `other' configuration</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="Linux-PAM_SAG.html" title="The Linux-PAM System Administrators' Guide"><link rel="up" href="sag-security-issues.html" title="Chapter 5. Security issues"><link rel="prev" href="sag-security-issues-wrong.html" title="5.1. If something goes wrong"><link rel="next" href="sag-module-reference.html" title="Chapter 6. A reference guide for available modules"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">5.2. Avoid having a weak `other' configuration</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="sag-security-issues-wrong.html">Prev</a> </td><th width="60%" align="center">Chapter 5. Security issues</th><td width="20%" align="right"> <a accesskey="n" href="sag-module-reference.html">Next</a></td></tr></table><hr></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="sag-security-issues-other"></a>5.2. Avoid having a weak `other' configuration</h2></div></div></div><p>
It is not a good thing to have a weak default
(<span class="emphasis"><em>other</em></span>) entry.
This service is the default configuration for all PAM aware
applications and if it is weak, your system is likely to be
vulnerable to attack.
</p><p>
Here is a sample "other" configuration file. The
<span class="command"><strong>pam_deny</strong></span> module will deny access and the
<span class="command"><strong>pam_warn</strong></span> module will send a syslog message
to <span class="emphasis"><em>auth.notice</em></span>:
</p><pre class="programlisting">
#
# The PAM configuration file for the `other' service
#
auth required pam_deny.so
auth required pam_warn.so
account required pam_deny.so
account required pam_warn.so
password required pam_deny.so
password required pam_warn.so
session required pam_deny.so
session required pam_warn.so
</pre></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sag-security-issues-wrong.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sag-security-issues.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sag-module-reference.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">5.1. If something goes wrong </td><td width="20%" align="center"><a accesskey="h" href="Linux-PAM_SAG.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 6. A reference guide for available modules</td></tr></table></div></body></html>