Apache Tomcat 6.0.44

Class SSLValve

  extended by org.apache.catalina.valves.ValveBase
      extended by org.apache.catalina.valves.SSLValve
All Implemented Interfaces:
javax.management.MBeanRegistration, Contained, Valve

public class SSLValve
extends ValveBase

When using mod_proxy_http, the client SSL information is not included in the protocol (unlike mod_jk and mod_proxy_ajp). To make the client SSL information available to Tomcat, some additional configuration is required. In httpd, mod_headers is used to add the SSL information as HTTP headers. In Tomcat, this valve is used to read the information from the HTTP headers and insert it into the request.

Note: Ensure that the headers are always set by httpd for all requests to prevent a client spoofing SSL information by sending fake headers.

In httpd.conf add the following:

 <IfModule ssl_module>
   RequestHeader set SSL_CLIENT_CERT "%{SSL_CLIENT_CERT}s"
   RequestHeader set SSL_CIPHER "%{SSL_CIPHER}s"
   RequestHeader set SSL_SESSION_ID "%{SSL_SESSION_ID}s"
In server.xml, configure this valve under the Engine element in server.xml:
 <Engine ...>
   <Valve className="org.apache.catalina.valves.SSLValve" />
   <Host ... />

Field Summary
Fields inherited from class org.apache.catalina.valves.ValveBase
container, containerLog, controller, domain, info, mserver, next, oname, sm
Constructor Summary
Method Summary
 void invoke(Request request, Response response)
          The implementation-specific logic represented by this Valve.
 java.lang.String mygetHeader(Request request, java.lang.String header)
Methods inherited from class org.apache.catalina.valves.ValveBase
backgroundProcess, createObjectName, event, getContainer, getContainerName, getController, getDomain, getInfo, getNext, getObjectName, getParentName, postDeregister, postRegister, preDeregister, preRegister, setContainer, setController, setNext, setObjectName, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail


public SSLValve()
Method Detail


public java.lang.String mygetHeader(Request request,
                                    java.lang.String header)


public void invoke(Request request,
                   Response response)
            throws java.io.IOException,
Description copied from class: ValveBase
The implementation-specific logic represented by this Valve. See the Valve description for the normal design patterns for this method.

This method MUST be provided by a subclass.

Specified by:
invoke in interface Valve
Specified by:
invoke in class ValveBase
request - The servlet request to be processed
response - The servlet response to be created
java.io.IOException - if an input/output error occurs
javax.servlet.ServletException - if a servlet error occurs

Apache Tomcat 6.0.44

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