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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Chapter 6. A reference guide for available modules</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="Linux-PAM_SAG.html" title="The Linux-PAM System Administrators' Guide"><link rel="prev" href="sag-security-issues-other.html" title="5.2. Avoid having a weak `other' configuration"><link rel="next" href="sag-pam_access.html" title="6.1. pam_access - logdaemon style login access control"></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">Chapter 6. A reference guide for available modules</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="sag-security-issues-other.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="sag-pam_access.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="sag-module-reference"></a>Chapter 6. A reference guide for available modules</h1></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="section"><a href="sag-pam_access.html">6.1. pam_access - logdaemon style login access control</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_access.html#sag-pam_access-description">6.1.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_access.html#sag-access.conf-description">6.1.2. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_access.html#sag-pam_access-options">6.1.3. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_access.html#sag-pam_access-types">6.1.4. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_access.html#sag-pam_access-return_values">6.1.5. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_access.html#sag-pam_access-files">6.1.6. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_access.html#sag-access.conf-examples">6.1.7. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_access.html#sag-pam_access-authors">6.1.8. AUTHORS</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_cracklib.html">6.2. pam_cracklib - checks the password against dictionary words</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_cracklib.html#sag-pam_cracklib-description">6.2.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_cracklib.html#sag-pam_cracklib-options">6.2.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_cracklib.html#sag-pam_cracklib-types">6.2.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_cracklib.html#sag-pam_cracklib-return_values">6.2.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_cracklib.html#sag-pam_cracklib-examples">6.2.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_cracklib.html#sag-pam_cracklib-author">6.2.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_debug.html">6.3. pam_debug - debug the PAM stack</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_debug.html#sag-pam_debug-description">6.3.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_debug.html#sag-pam_debug-options">6.3.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_debug.html#sag-pam_debug-types">6.3.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_debug.html#sag-pam_debug-return_values">6.3.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_debug.html#sag-pam_debug-examples">6.3.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_debug.html#sag-pam_debug-author">6.3.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_deny.html">6.4. pam_deny - locking-out PAM module</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_deny.html#sag-pam_deny-description">6.4.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_deny.html#sag-pam_deny-options">6.4.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_deny.html#sag-pam_deny-types">6.4.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_deny.html#sag-pam_deny-return_values">6.4.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_deny.html#sag-pam_deny-examples">6.4.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_deny.html#sag-pam_deny-author">6.4.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_echo.html">6.5. pam_echo - print text messages</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_echo.html#sag-pam_echo-description">6.5.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_echo.html#sag-pam_echo-options">6.5.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_echo.html#sag-pam_echo-types">6.5.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_echo.html#sag-pam_echo-return_values">6.5.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_echo.html#sag-pam_echo-examples">6.5.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_echo.html#sag-pam_echo-author">6.5.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_env.html">6.6. pam_env - set/unset environment variables</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env-description">6.6.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env.conf-description">6.6.2. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env-options">6.6.3. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env-types">6.6.4. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env-return_values">6.6.5. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env-files">6.6.6. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env.conf-examples">6.6.7. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_env.html#sag-pam_env-authors">6.6.8. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_exec.html">6.7. pam_exec - call an external command</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_exec.html#sag-pam_exec-description">6.7.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_exec.html#sag-pam_exec-options">6.7.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_exec.html#sag-pam_exec-types">6.7.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_exec.html#sag-pam_exec-return_values">6.7.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_exec.html#sag-pam_exec-examples">6.7.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_exec.html#sag-pam_exec-author">6.7.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_faildelay.html">6.8. pam_faildelay - change the delay on failure per-application</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_faildelay.html#sag-pam_faildelay-description">6.8.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_faildelay.html#sag-pam_faildelay-options">6.8.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_faildelay.html#sag-pam_faildelay-types">6.8.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_faildelay.html#sag-pam_faildelay-return_values">6.8.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_faildelay.html#sag-pam_faildelay-examples">6.8.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_faildelay.html#sag-pam_faildelay-author">6.8.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_filter.html">6.9. pam_filter - filter module</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_filter.html#sag-pam_filter-description">6.9.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_filter.html#sag-pam_filter-options">6.9.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_filter.html#sag-pam_filter-types">6.9.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_filter.html#sag-pam_filter-return_values">6.9.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_filter.html#sag-pam_filter-examples">6.9.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_filter.html#sag-pam_filter-author">6.9.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_ftp.html">6.10. pam_ftp - module for anonymous access</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_ftp.html#sag-pam_ftp-description">6.10.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_ftp.html#sag-pam_ftp-options">6.10.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_ftp.html#sag-pam_ftp-types">6.10.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_ftp.html#sag-pam_ftp-return_values">6.10.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_ftp.html#sag-pam_ftp-examples">6.10.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_ftp.html#sag-pam_ftp-author">6.10.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_group.html">6.11. pam_group - module to modify group access</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_group.html#sag-pam_group-description">6.11.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_group.html#sag-group.conf-description">6.11.2. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_group.html#sag-pam_group-options">6.11.3. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_group.html#sag-pam_group-types">6.11.4. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_group.html#sag-pam_group-return_values">6.11.5. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_group.html#sag-pam_group-files">6.11.6. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_group.html#sag-group.conf-examples">6.11.7. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_group.html#sag-pam_group-authors">6.11.8. AUTHORS</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_issue.html">6.12. pam_issue - add issue file to user prompt</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_issue.html#sag-pam_issue-description">6.12.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_issue.html#sag-pam_issue-options">6.12.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_issue.html#sag-pam_issue-types">6.12.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_issue.html#sag-pam_issue-return_values">6.12.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_issue.html#sag-pam_issue-examples">6.12.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_issue.html#sag-pam_issue-author">6.12.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_keyinit.html">6.13. pam_keyinit - display the keyinit file</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_keyinit.html#sag-pam_keyinit-description">6.13.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_keyinit.html#sag-pam_keyinit-options">6.13.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_keyinit.html#sag-pam_keyinit-types">6.13.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_keyinit.html#sag-pam_keyinit-return_values">6.13.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_keyinit.html#sag-pam_keyinit-examples">6.13.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_keyinit.html#sag-pam_keyinit-author">6.13.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_lastlog.html">6.14. pam_lastlog - display date of last login</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_lastlog.html#sag-pam_lastlog-description">6.14.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_lastlog.html#sag-pam_lastlog-options">6.14.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_lastlog.html#sag-pam_lastlog-types">6.14.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_lastlog.html#sag-pam_lastlog-return_values">6.14.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_lastlog.html#sag-pam_lastlog-examples">6.14.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_lastlog.html#sag-pam_lastlog-author">6.14.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_limits.html">6.15. pam_limits - limit resources</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_limits.html#sag-pam_limits-description">6.15.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_limits.html#sag-limits.conf-description">6.15.2. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_limits.html#sag-pam_limits-options">6.15.3. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_limits.html#sag-pam_limits-types">6.15.4. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_limits.html#sag-pam_limits-return_values">6.15.5. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_limits.html#sag-pam_limits-files">6.15.6. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_limits.html#sag-limits.conf-examples">6.15.7. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_limits.html#sag-pam_limits-authors">6.15.8. AUTHORS</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_listfile.html">6.16. pam_listfile - deny or allow services based on an arbitrary file</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_listfile.html#sag-pam_listfile-description">6.16.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_listfile.html#sag-pam_listfile-options">6.16.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_listfile.html#sag-pam_listfile-types">6.16.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_listfile.html#sag-pam_listfile-return_values">6.16.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_listfile.html#sag-pam_listfile-examples">6.16.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_listfile.html#sag-pam_listfile-author">6.16.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_localuser.html">6.17. pam_localuser - require users to be listed in /etc/passwd</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_localuser.html#sag-pam_localuser-description">6.17.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_localuser.html#sag-pam_localuser-options">6.17.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_localuser.html#sag-pam_localuser-types">6.17.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_localuser.html#sag-pam_localuser-return_values">6.17.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_localuser.html#sag-pam_localuser-examples">6.17.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_localuser.html#sag-pam_localuser-author">6.17.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_loginuid.html">6.18. pam_loginuid - record user's login uid to the process attribute</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_loginuid.html#sag-pam_loginuid-description">6.18.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_loginuid.html#sag-pam_loginuid-options">6.18.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_loginuid.html#sag-pam_loginuid-types">6.18.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_loginuid.html#sag-pam_loginuid-return_values">6.18.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_loginuid.html#sag-pam_loginuid-examples">6.18.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_loginuid.html#sag-pam_loginuid-author">6.18.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_mail.html">6.19. pam_mail - inform about available mail</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_mail.html#sag-pam_mail-description">6.19.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_mail.html#sag-pam_mail-options">6.19.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_mail.html#sag-pam_mail-types">6.19.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_mail.html#sag-pam_mail-return_values">6.19.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_mail.html#sag-pam_mail-examples">6.19.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_mail.html#sag-pam_mail-author">6.19.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_mkhomedir.html">6.20. pam_mkhomedir - create users home directory</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_mkhomedir.html#sag-pam_mkhomedir-description">6.20.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_mkhomedir.html#sag-pam_mkhomedir-options">6.20.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_mkhomedir.html#sag-pam_mkhomedir-types">6.20.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_mkhomedir.html#sag-pam_mkhomedir-return_values">6.20.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_mkhomedir.html#sag-pam_mkhomedir-examples">6.20.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_mkhomedir.html#sag-pam_mkhomedir-author">6.20.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_motd.html">6.21. pam_motd - display the motd file</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_motd.html#sag-pam_motd-description">6.21.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_motd.html#sag-pam_motd-options">6.21.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_motd.html#sag-pam_motd-types">6.21.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_motd.html#sag-pam_motd-return_values">6.21.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_motd.html#sag-pam_motd-examples">6.21.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_motd.html#sag-pam_motd-author">6.21.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_namespace.html">6.22. pam_namespace - setup a private namespace</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_namespace.html#sag-pam_namespace-description">6.22.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_namespace.html#sag-namespace.conf-description">6.22.2. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_namespace.html#sag-pam_namespace-options">6.22.3. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_namespace.html#sag-pam_namespace-types">6.22.4. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_namespace.html#sag-pam_namespace-return_values">6.22.5. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_namespace.html#sag-pam_namespace-files">6.22.6. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_namespace.html#sag-namespace.conf-examples">6.22.7. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_namespace.html#sag-pam_namespace-authors">6.22.8. AUTHORS</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_nologin.html">6.23. pam_nologin - prevent non-root users from login</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_nologin.html#sag-pam_nologin-description">6.23.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_nologin.html#sag-pam_nologin-options">6.23.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_nologin.html#sag-pam_nologin-types">6.23.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_nologin.html#sag-pam_nologin-return_values">6.23.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_nologin.html#sag-pam_nologin-examples">6.23.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_nologin.html#sag-pam_nologin-author">6.23.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_permit.html">6.24. pam_permit - the promiscuous module</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_permit.html#sag-pam_permit-description">6.24.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_permit.html#sag-pam_permit-options">6.24.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_permit.html#sag-pam_permit-types">6.24.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_permit.html#sag-pam_permit-return_values">6.24.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_permit.html#sag-pam_permit-examples">6.24.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_permit.html#sag-pam_permit-author">6.24.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_pwhistory.html">6.25. pam_pwhistory - grant access using .pwhistory file</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_pwhistory.html#sag-pam_pwhistory-description">6.25.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_pwhistory.html#sag-pam_pwhistory-options">6.25.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_pwhistory.html#sag-pam_pwhistory-types">6.25.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_pwhistory.html#sag-pam_pwhistory-return_values">6.25.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_pwhistory.html#sag-pam_pwhistory-files">6.25.5. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_pwhistory.html#sag-pam_pwhistory-examples">6.25.6. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_pwhistory.html#sag-pam_pwhistory-author">6.25.7. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_rhosts.html">6.26. pam_rhosts - grant access using .rhosts file</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_rhosts.html#sag-pam_rhosts-description">6.26.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_rhosts.html#sag-pam_rhosts-options">6.26.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_rhosts.html#sag-pam_rhosts-types">6.26.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_rhosts.html#sag-pam_rhosts-return_values">6.26.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_rhosts.html#sag-pam_rhosts-examples">6.26.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_rhosts.html#sag-pam_rhosts-author">6.26.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_rootok.html">6.27. pam_rootok - gain only root access</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_rootok.html#sag-pam_rootok-description">6.27.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_rootok.html#sag-pam_rootok-options">6.27.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_rootok.html#sag-pam_rootok-types">6.27.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_rootok.html#sag-pam_rootok-return_values">6.27.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_rootok.html#sag-pam_rootok-examples">6.27.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_rootok.html#sag-pam_rootok-author">6.27.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_securetty.html">6.28. pam_securetty - limit root login to special devices</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_securetty.html#sag-pam_securetty-description">6.28.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_securetty.html#sag-pam_securetty-options">6.28.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_securetty.html#sag-pam_securetty-types">6.28.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_securetty.html#sag-pam_securetty-return_values">6.28.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_securetty.html#sag-pam_securetty-examples">6.28.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_securetty.html#sag-pam_securetty-author">6.28.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_selinux.html">6.29. pam_selinux - set the default security context</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_selinux.html#sag-pam_selinux-description">6.29.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_selinux.html#sag-pam_selinux-options">6.29.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_selinux.html#sag-pam_selinux-types">6.29.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_selinux.html#sag-pam_selinux-return_values">6.29.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_selinux.html#sag-pam_selinux-examples">6.29.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_selinux.html#sag-pam_selinux-author">6.29.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_shells.html">6.30. pam_shells - check for valid login shell</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_shells.html#sag-pam_shells-description">6.30.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_shells.html#sag-pam_shells-options">6.30.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_shells.html#sag-pam_shells-types">6.30.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_shells.html#sag-pam_shells-return_values">6.30.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_shells.html#sag-pam_shells-examples">6.30.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_shells.html#sag-pam_shells-author">6.30.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_succeed_if.html">6.31. pam_succeed_if - test account characteristics</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_succeed_if.html#sag-pam_succeed_if-description">6.31.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_succeed_if.html#sag-pam_succeed_if-options">6.31.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_succeed_if.html#sag-pam_succeed_if-types">6.31.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_succeed_if.html#sag-pam_succeed_if-return_values">6.31.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_succeed_if.html#sag-pam_succeed_if-examples">6.31.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_succeed_if.html#sag-pam_succeed_if-author">6.31.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_tally.html">6.32. pam_tally - login counter (tallying) module</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_tally.html#sag-pam_tally-description">6.32.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_tally.html#sag-pam_tally-options">6.32.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_tally.html#sag-pam_tally-types">6.32.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_tally.html#sag-pam_tally-return_values">6.32.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_tally.html#sag-pam_tally-examples">6.32.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_tally.html#sag-pam_tally-author">6.32.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_tally2.html">6.33. pam_tally2 - login counter (tallying) module</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-description">6.33.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-options">6.33.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-types">6.33.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-return_values">6.33.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-notes">6.33.5. NOTES</a></span></dt><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-examples">6.33.6. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-files">6.33.7. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_tally2.html#sag-pam_tally2-author">6.33.8. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_time.html">6.34. pam_time - time controled access</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_time.html#sag-pam_time-description">6.34.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_time.html#sag-time.conf-description">6.34.2. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_time.html#sag-pam_time-options">6.34.3. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_time.html#sag-pam_time-types">6.34.4. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_time.html#sag-pam_time-return_values">6.34.5. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_time.html#sag-pam_time-files">6.34.6. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_time.html#sag-time.conf-examples">6.34.7. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_time.html#sag-pam_time-authors">6.34.8. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_timestamp.html">6.35. pam_timestamp - authenticate using cached successful authentication attempts</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-description">6.35.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-options">6.35.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-types">6.35.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-return_values">6.35.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-notes">6.35.5. NOTES</a></span></dt><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-examples">6.35.6. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-files">6.35.7. FILES</a></span></dt><dt><span class="section"><a href="sag-pam_timestamp.html#sag-pam_timestamp-author">6.35.8. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_umask.html">6.36. pam_umask - set the file mode creation mask</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_umask.html#sag-pam_umask-description">6.36.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_umask.html#sag-pam_umask-options">6.36.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_umask.html#sag-pam_umask-types">6.36.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_umask.html#sag-pam_umask-return_values">6.36.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_umask.html#sag-pam_umask-examples">6.36.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_umask.html#sag-pam_umask-author">6.36.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_unix.html">6.37. pam_unix - traditional password authentication</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_unix.html#sag-pam_unix-description">6.37.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_unix.html#sag-pam_unix-options">6.37.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_unix.html#sag-pam_unix-types">6.37.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_unix.html#sag-pam_unix-return_values">6.37.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_unix.html#sag-pam_unix-examples">6.37.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_unix.html#sag-pam_unix-author">6.37.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_userdb.html">6.38. pam_userdb - authenticate against a db database</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_userdb.html#sag-pam_userdb-description">6.38.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_userdb.html#sag-pam_userdb-options">6.38.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_userdb.html#sag-pam_userdb-types">6.38.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_userdb.html#sag-pam_userdb-return_values">6.38.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_userdb.html#sag-pam_userdb-examples">6.38.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_userdb.html#sag-pam_userdb-author">6.38.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_warn.html">6.39. pam_warn - logs all PAM items</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_warn.html#sag-pam_warn-description">6.39.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_warn.html#sag-pam_warn-options">6.39.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_warn.html#sag-pam_warn-types">6.39.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_warn.html#sag-pam_warn-return_values">6.39.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_warn.html#sag-pam_warn-examples">6.39.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_warn.html#sag-pam_warn-author">6.39.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_wheel.html">6.40. pam_wheel - only permit root access to members of group wheel</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_wheel.html#sag-pam_wheel-description">6.40.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_wheel.html#sag-pam_wheel-options">6.40.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_wheel.html#sag-pam_wheel-types">6.40.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_wheel.html#sag-pam_wheel-return_values">6.40.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_wheel.html#sag-pam_wheel-examples">6.40.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_wheel.html#sag-pam_wheel-author">6.40.6. AUTHOR</a></span></dt></dl></dd><dt><span class="section"><a href="sag-pam_xauth.html">6.41. pam_xauth - forward xauth keys between users</a></span></dt><dd><dl><dt><span class="section"><a href="sag-pam_xauth.html#sag-pam_xauth-description">6.41.1. DESCRIPTION</a></span></dt><dt><span class="section"><a href="sag-pam_xauth.html#sag-pam_xauth-options">6.41.2. OPTIONS</a></span></dt><dt><span class="section"><a href="sag-pam_xauth.html#sag-pam_xauth-types">6.41.3. MODULE TYPES PROVIDED</a></span></dt><dt><span class="section"><a href="sag-pam_xauth.html#sag-pam_xauth-return_values">6.41.4. RETURN VALUES</a></span></dt><dt><span class="section"><a href="sag-pam_xauth.html#sag-pam_xauth-examples">6.41.5. EXAMPLES</a></span></dt><dt><span class="section"><a href="sag-pam_xauth.html#sag-pam_xauth-author">6.41.6. AUTHOR</a></span></dt></dl></dd></dl></div><p>
      Here, we collect together the descriptions of the various modules
      coming with Linux-PAM.
    </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sag-security-issues-other.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="sag-pam_access.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">5.2. Avoid having a weak `other' configuration </td><td width="20%" align="center"><a accesskey="h" href="Linux-PAM_SAG.html">Home</a></td><td width="40%" align="right" valign="top"> 6.1. pam_access - logdaemon style login access control</td></tr></table></div></body></html>