--- /dev/null
+<!-- @(#) $Id: ./etc/rules/vpn_concentrator_rules.xml, 2011/09/08 dcid Exp $
+
+ -
+ - Official Cisco VPN Concentrator rules for OSSEC.
+ -
+ - Copyright (C) 2009 Trend Micro Inc.
+ - All rights reserved.
+ -
+ - This program is a free software; you can redistribute it
+ - and/or modify it under the terms of the GNU General Public
+ - License (version 2) as published by the FSF - Free Software
+ - Foundation.
+ -
+ - License details: http://www.ossec.net/en/licensing.html
+ -->
+
+
+<!-- For more info:
+ - http://www.ossec.net/wiki/index.php/Cisco_VPN_Concentrator
+ -->
+
+
+<group name="syslog,cisco_vpn,">
+ <rule id="14200" level="0">
+ <decoded_as>cisco-vpn-concentrator</decoded_as>
+ <description>Grouping of Cisco VPN concentrator rules</description>
+ </rule>
+
+ <rule id="14201" level="3">
+ <if_sid>14200</if_sid>
+ <id>^IKE/52$</id>
+ <description>VPN authentication successful.</description>
+ <group>authentication_success,</group>
+ </rule>
+
+ <rule id="14202" level="5">
+ <if_sid>14200</if_sid>
+ <id>^AUTH/5$|^AUTH/9$|^IKE/167$|^PPP/9$|^SSH/33$|^PSH/23$</id>
+ <description>VPN authentication failed.</description>
+ <group>authentication_failed,</group>
+ </rule>
+
+ <rule id="14203" level="4">
+ <if_sid>14200</if_sid>
+ <id>^HTTP/47$|^SSH/16$</id>
+ <options>alert_by_email</options>
+ <description>VPN Admin authentication successful.</description>
+ <group>authentication_success,</group>
+ </rule>
+
+ <rule id="14251" level="10" frequency="8" timeframe="240">
+ <if_matched_sid>14202</if_matched_sid>
+ <same_source_ip />
+ <description>Multiple VPN authentication failures.</description>
+ <group>authentication_failures,</group>
+ </rule>
+</group> <!-- SYSLOG,vpn_concentrator -->
+
+
+<!-- EOF -->