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Diffstat (limited to 'modules/pam_tally2/pam_tally2.8.xml')
-rw-r--r-- | modules/pam_tally2/pam_tally2.8.xml | 450 |
1 files changed, 0 insertions, 450 deletions
diff --git a/modules/pam_tally2/pam_tally2.8.xml b/modules/pam_tally2/pam_tally2.8.xml deleted file mode 100644 index d058cf91..00000000 --- a/modules/pam_tally2/pam_tally2.8.xml +++ /dev/null @@ -1,450 +0,0 @@ -<?xml version="1.0" encoding='UTF-8'?> -<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" - "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"> - -<refentry id="pam_tally2"> - - <refmeta> - <refentrytitle>pam_tally2</refentrytitle> - <manvolnum>8</manvolnum> - <refmiscinfo class="sectdesc">Linux-PAM Manual</refmiscinfo> - </refmeta> - - <refnamediv id="pam_tally2-name"> - <refname>pam_tally2</refname> - <refpurpose>The login counter (tallying) module</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <cmdsynopsis id="pam_tally2-cmdsynopsis1"> - <command>pam_tally2.so</command> - <arg choice="opt"> - file=<replaceable>/path/to/counter</replaceable> - </arg> - <arg choice="opt"> - onerr=[<replaceable>fail</replaceable>|<replaceable>succeed</replaceable>] - </arg> - <arg choice="opt"> - magic_root - </arg> - <arg choice="opt"> - even_deny_root - </arg> - <arg choice="opt"> - deny=<replaceable>n</replaceable> - </arg> - <arg choice="opt"> - lock_time=<replaceable>n</replaceable> - </arg> - <arg choice="opt"> - unlock_time=<replaceable>n</replaceable> - </arg> - <arg choice="opt"> - root_unlock_time=<replaceable>n</replaceable> - </arg> - <arg choice="opt"> - serialize - </arg> - <arg choice="opt"> - audit - </arg> - <arg choice="opt"> - silent - </arg> - <arg choice="opt"> - no_log_info - </arg> - <arg choice="opt"> - debug - </arg> - </cmdsynopsis> - <cmdsynopsis id="pam_tally2-cmdsynopsis2"> - <command>pam_tally2</command> - <arg choice="opt"> - --file <replaceable>/path/to/counter</replaceable> - </arg> - <arg choice="opt"> - --user <replaceable>username</replaceable> - </arg> - <arg choice="opt"> - --reset[=<replaceable>n</replaceable>] - </arg> - <arg choice="opt"> - --quiet - </arg> - </cmdsynopsis> - </refsynopsisdiv> - - <refsect1 id="pam_tally2-description"> - - <title>DESCRIPTION</title> - - <para> - This module maintains a count of attempted accesses, can - reset count on success, can deny access if too many attempts fail. - </para> - <para> - pam_tally2 comes in two parts: - <emphasis remap='B'>pam_tally2.so</emphasis> and - <command>pam_tally2</command>. The former is the PAM module and - the latter, a stand-alone program. <command>pam_tally2</command> - is an (optional) application which can be used to interrogate and - manipulate the counter file. It can display user counts, set - individual counts, or clear all counts. Setting artificially high - counts may be useful for blocking users without changing their - passwords. For example, one might find it useful to clear all counts - every midnight from a cron job. - </para> - <para> - Normally, failed attempts to access <emphasis>root</emphasis> will - <emphasis remap='B'>not</emphasis> cause the root account to become - blocked, to prevent denial-of-service: if your users aren't given - shell accounts and root may only login via <command>su</command> or - at the machine console (not telnet/rsh, etc), this is safe. - </para> - </refsect1> - - <refsect1 id="pam_tally2-options"> - - <title>OPTIONS</title> - <variablelist> - <varlistentry> - <term> - GLOBAL OPTIONS - </term> - <listitem> - <para> - This can be used for <emphasis>auth</emphasis> and - <emphasis>account</emphasis> module types. - </para> - <variablelist> - <varlistentry> - <term> - <option>onerr=[<replaceable>fail</replaceable>|<replaceable>succeed</replaceable>]</option> - </term> - <listitem> - <para> - If something weird happens (like unable to open the file), - return with <errorcode>PAM_SUCCESS</errorcode> if - <option>onerr=<replaceable>succeed</replaceable></option> - is given, else with the corresponding PAM error code. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>file=<replaceable>/path/to/counter</replaceable></option> - </term> - <listitem> - <para> - File where to keep counts. Default is - <filename>/var/log/tallylog</filename>. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>audit</option> - </term> - <listitem> - <para> - Will log the user name into the system log if the user is not found. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>silent</option> - </term> - <listitem> - <para> - Don't print informative messages. The messages printed without the <emphasis>silent</emphasis> option leak presence of accounts on the system because they are not printed for non-existing accounts. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>no_log_info</option> - </term> - <listitem> - <para> - Don't log informative messages via <citerefentry><refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum></citerefentry>. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>debug</option> - </term> - <listitem> - <para> - Always log tally count when it is incremented as a debug level message to the system log. - </para> - </listitem> - </varlistentry> - </variablelist> - </listitem> - </varlistentry> - - <varlistentry> - <term> - AUTH OPTIONS - </term> - <listitem> - <para> - Authentication phase first increments attempted login counter and - checks if user should be denied access. If the user is authenticated - and the login process continues on call to <citerefentry> - <refentrytitle>pam_setcred</refentrytitle><manvolnum>3</manvolnum> - </citerefentry> it resets the attempts counter. - </para> - <variablelist> - <varlistentry> - <term> - <option>deny=<replaceable>n</replaceable></option> - </term> - <listitem> - <para> - Deny access if tally for this user exceeds - <replaceable>n</replaceable>. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>lock_time=<replaceable>n</replaceable></option> - </term> - <listitem> - <para> - Always deny for <replaceable>n</replaceable> seconds - after failed attempt. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>unlock_time=<replaceable>n</replaceable></option> - </term> - <listitem> - <para> - Allow access after <replaceable>n</replaceable> seconds - after failed attempt. If this option is used the user will - be locked out for the specified amount of time after he - exceeded his maximum allowed attempts. Otherwise the - account is locked until the lock is removed by a manual - intervention of the system administrator. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>magic_root</option> - </term> - <listitem> - <para> - If the module is invoked by a user with uid=0 the - counter is not incremented. The sysadmin should use this - for user launched services, like <command>su</command>, - otherwise this argument should be omitted. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>even_deny_root</option> - </term> - <listitem> - <para> - Root account can become unavailable. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>root_unlock_time=<replaceable>n</replaceable></option> - </term> - <listitem> - <para> - This option implies <option>even_deny_root</option> option. - Allow access after <replaceable>n</replaceable> seconds - to root account after failed attempt. If this option is used - the root user will be locked out for the specified amount of - time after he exceeded his maximum allowed attempts. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term> - <option>serialize</option> - </term> - <listitem> - <para> - Serialize access to the tally file using locks. This option might - be used only for non-multithreaded services because it depends on - the fcntl locking of the tally file. Also it is a good idea to use - this option only in such configurations where the time between auth - phase and account or setcred phase is not dependent on the - authenticating client. Otherwise the authenticating client will be - able to prevent simultaneous authentications by the same user by - simply artificially prolonging the time the file record lock is held. - </para> - </listitem> - </varlistentry> - </variablelist> - </listitem> - </varlistentry> - - - <varlistentry> - <term> - ACCOUNT OPTIONS - </term> - <listitem> - <para> - Account phase resets attempts counter if the user is - <emphasis remap='B'>not</emphasis> magic root. - This phase can be used optionally for services which don't call - <citerefentry> - <refentrytitle>pam_setcred</refentrytitle><manvolnum>3</manvolnum> - </citerefentry> correctly or if the reset should be done regardless - of the failure of the account phase of other modules. - </para> - <variablelist> - <varlistentry> - <term> - <option>magic_root</option> - </term> - <listitem> - <para> - If the module is invoked by a user with uid=0 the - counter is not changed. The sysadmin should use this - for user launched services, like <command>su</command>, - otherwise this argument should be omitted. - </para> - </listitem> - </varlistentry> - </variablelist> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1 id="pam_tally2-types"> - <title>MODULE TYPES PROVIDED</title> - <para> - The <option>auth</option> and <option>account</option> - module types are provided. - </para> - </refsect1> - - <refsect1 id='pam_tally2-return_values'> - <title>RETURN VALUES</title> - <variablelist> - <varlistentry> - <term>PAM_AUTH_ERR</term> - <listitem> - <para> - A invalid option was given, the module was not able - to retrieve the user name, no valid counter file - was found, or too many failed logins. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term>PAM_SUCCESS</term> - <listitem> - <para> - Everything was successful. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term>PAM_USER_UNKNOWN</term> - <listitem> - <para> - User not known. - </para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1 id='pam_tally2-notes'> - <title>NOTES</title> - <para> - pam_tally2 is not compatible with the old pam_tally faillog file format. - This is caused by requirement of compatibility of the tallylog file - format between 32bit and 64bit architectures on multiarch systems. - </para> - <para> - There is no setuid wrapper for access to the data file such as when the - <emphasis remap='B'>pam_tally2.so</emphasis> module is called from - xscreensaver. As this would make it impossible to share PAM configuration - with such services the following workaround is used: If the data file - cannot be opened because of insufficient permissions - (<errorcode>EACCES</errorcode>) the module returns - <errorcode>PAM_IGNORE</errorcode>. - </para> - </refsect1> - - <refsect1 id='pam_tally2-examples'> - <title>EXAMPLES</title> - <para> - Add the following line to <filename>/etc/pam.d/login</filename> to - lock the account after 4 failed logins. Root account will be locked - as well. The accounts will be automatically unlocked after 20 minutes. - The module does not have to be called in the account phase because the - <command>login</command> calls <citerefentry> - <refentrytitle>pam_setcred</refentrytitle><manvolnum>3</manvolnum> - </citerefentry> correctly. - </para> - <programlisting> -auth required pam_securetty.so -auth required pam_tally2.so deny=4 even_deny_root unlock_time=1200 -auth required pam_env.so -auth required pam_unix.so -auth required pam_nologin.so -account required pam_unix.so -password required pam_unix.so -session required pam_limits.so -session required pam_unix.so -session required pam_lastlog.so nowtmp -session optional pam_mail.so standard - </programlisting> - </refsect1> - - <refsect1 id="pam_tally2-files"> - <title>FILES</title> - <variablelist> - <varlistentry> - <term><filename>/var/log/tallylog</filename></term> - <listitem> - <para>failure count logging file</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1 id='pam_tally2-see_also'> - <title>SEE ALSO</title> - <para> - <citerefentry> - <refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum> - </citerefentry>, - <citerefentry> - <refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum> - </citerefentry>, - <citerefentry> - <refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum> - </citerefentry> - </para> - </refsect1> - - <refsect1 id='pam_tally2-author'> - <title>AUTHOR</title> - <para> - pam_tally2 was written by Tim Baverstock and Tomas Mraz. - </para> - </refsect1> - -</refentry> |