Added echo option. For example, Header echo regex will cause any headers received on the request that match regex to be echoed to [included in] the response headers.
an action, header and value
10.2.16 mod include
How to migrate from HP Apache 2.0.x
New directives allow the default start and end tags for SSI elements to be changed and allow for error and time format configuration to take place in the main configuration file rather than in the SSI document.
Results from regular expression parsing and grouping (now based on Perl's regular expression syntax) can be retrieved using mod_include's variables $0 .. $9.
The modjk module provides better support for SSL. Also, Tomcat supports many web servers through a compatibility layer named the jk library. The layered approach provided by the jk library makes it easier to support both Apache2.0.xApache and Apache2.x.
Migrating Tomcat and Java to Version 2.x
mod jk User Guide
Apache Tomcat Home Page
automatic mount points to a Tomcat worker
Name of the Apache environment that contains SSL client certificates