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seawaf-agent

An open source web application firewall component

why

Applications should not be delegating most of their runtime protection to the external devices. Applica-tions should be capable of self- protection (i.e., have protection features built into the application runtime environment).
--by Gartner Joseph Feiman

features

  • exception manager
    • counter,capture,protect
  • quota manager
    • limit max sessions
    • limit max sessions per user
    • limit max online users
    • limit max single url opened per session in self-define time unit
  • attack defence
    • SQL Injection
    • XSS
    • click jack
  • muti-mode support

screenshots

how to

Adding the follow configuration to your web.xml

<filter>
  	<filter-name>security-filter</filter-name>
  	<filter-class>com.seawaf.filters.WafFilter</filter-class>
  </filter>
  <filter-mapping>
  	<filter-name>security-filter</filter-name>
  	<url-pattern>/*</url-pattern>
  </filter-mapping>
  <listener>
  	<listener-class>com.seawaf.listeners.WafSessionAttrListener</listener-class>
  </listener>
  <listener>
  	<listener-class>com.seawaf.listeners.WafSessionListener</listener-class>
  </listener>
  <servlet>
  	<servlet-name>seawaf</servlet-name>
  	<servlet-class>com.seawaf.SecurityCenter</servlet-class>
  </servlet>
  <servlet-mapping>
  	<servlet-name>seawaf</servlet-name>
  	<url-pattern>/seawaf</url-pattern>
  </servlet-mapping>

install validation

hit F5 10 times in 5 seconds will trigger a secure event and the location will redirect to the follwing warnning page

configuration

copy the following text to waf.xml and put it to /your/webapp/WEB-INF

<?xml version="1.0" encoding="UTF-8"?>
<waf>
   <application>
   	<id>EHR</id>
   	<name>Human Resource Management System</name>
   	<ip>192.168.1.131</ip>
   	<port>8080</port>
   	<!-- set the active mode-->
   	<active-mode>prd</active-mode>
   	<session-user-attribute-name>user</session-user-attribute-name>
   	<session-user-name-path>name</session-user-name-path>
   	<session-user-id-path>id</session-user-id-path>
   	<administrator id="1023" name="smith" email="[email protected]"></administrator>
   	<auditor id="2189" name="frank" email="[email protected]"></auditor>
   </application>
   <!-- you can define several mode but actually only one mode was activated -->
   <mode id="prd">
   	<exceptions>
   		<capture>true</capture>
   		<mailto>[email protected]</mailto>
   	</exceptions>
   	<quotas>
   		<max-sessions>1000</max-sessions>
   		<max-sessions-per-user>1</max-sessions-per-user>
   		<max-online-users>500</max-online-users>
   		<!-- user can open the same URL 10 times per session in 5 seconds,the default time unit is second-->
   		<max-same-url-open-per-session>10/5s</max-same-url-open-per-session>
   		<max-exceptions-per-url>5</max-exceptions-per-url>
   		<out-of-service-redirect-url>http://127.0.0.1</out-of-service-redirect-url>
   	</quotas>
   	<defences>
   		<!-- enable cross site request forgery attack defence -->
   		<csrf>true</csrf>
   		<!-- enable CC attack defence -->
   		<cc>true</cc>
   		<input-validator>
   			<except-names>global except names</except-names>
   			<except-urls>global except urls</except-urls>
   			<pattern>
   				<name>SQL</name>
   				<description>SQL Inject Detect</description>
   				<expression><![CDATA[
   				select|union|and|or|&&|from|dual|char\(
   				]]></expression>
   				<except-names>password</except-names>
   				<except-urls></except-urls>
   				<action>replace</action><!-- warn|intercept|replace -->
   			</pattern>
   			<pattern>
   				<name>XSS</name>
   				<description>XSS Attack Detect</description>
   				<expression><![CDATA[
   				<script>|iframe|frame
   				]]></expression>
   				<except-names>password</except-names>
   				<except-urls></except-urls>
   				<action>replace</action>
   			</pattern>
   			<pattern>
   				<name>dangerous-char</name>
   				<description>Dangerous Char Detect</description>
   				<expression><![CDATA[
   				@@|%|!
   				]]></expression>
   				<except-names>password</except-names>
   				<except-urls></except-urls>
   				<action>replace</action>
   			</pattern>
   		</input-validator>
   	</defences>
   </mode>
   <mode id="dev">
   	<exceptions>
   		<capture>true</capture>
   		<mailto>[email protected]</mailto>
   	</exceptions>
   	<quotas>
   		<max-sessions>10</max-sessions>
   		<max-sessions-per-user>1</max-sessions-per-user>
   		<max-online-users>5</max-online-users>
   		<!-- user can open the same URL 30 times per session in 10 seconds,the default time unit is second-->
   		<max-same-url-open-per-session>30/10s</max-same-url-open-per-session>
   		<max-exceptions-per-url>5</max-exceptions-per-url>
   		<out-of-service-redirect-url>http://127.0.0.1</out-of-service-redirect-url>
   	</quotas>
   	<defences>
   		<csrf>enabled</csrf>
   		<cc>enabled</cc>
   		<input-validator>
   			<except-names>global except names</except-names>
   			<except-urls>global except urls</except-urls>
   			<pattern>
   				<name>SQL</name>
   				<description>SQL Inject Detect</description>
   				<expression><![CDATA[
   				select|union|and|or|&&|from|dual|char(|
   				]]></expression>
   				<except-names>password</except-names>
   				<except-urls></except-urls>
   				<action>warn</action>
   			</pattern>
   			<pattern>
   				<name>XSS</name>
   				<description>XSS Attack Detect</description>
   				<expression><![CDATA[
   				<script>|iframe|frame
   				]]></expression>
   				<except-names></except-names>
   				<except-urls></except-urls>
   				<action>intercept</action>
   			</pattern>
   			<pattern>
   				<name>dangerous-char</name>
   				<description>Dangerous Char Detect</description>
   				<expression><![CDATA[
   				@@|%|!|=|<|>
   				]]></expression>
   				<except-names></except-names>
   				<except-urls></except-urls>
   				<action>replace</action>
   			</pattern>
   		</input-validator>
   	</defences>
   </mode>
</waf>

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