This topic describes how to change configuration settings for Apache HTTP Server Version 2.2.
Install Apache Version 2.2 and the latest
version of the Web server plug-ins for WebSphere® Application
Server 7.0 using the Update Installer.
Apache HTTP Server Version 2.2 is different
from IBM® HTTP Server (powered by Apache). Apache HTTP
Server is not supported on IBM i.
When you install the Web server plug-ins for WebSphere Application Server on a non-IBM i system, the Plug-ins
installation wizard configures the Web server.
This topic describes how to configure the Apache HTTP Server Version 2.2 Web server. Other procedures in Editing Web server configuration files describe configuring other supported Web servers.
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The plug-in was tested with the threaded worker multi-processing
module (MPM) on all platforms except Windows®.
The plug-in was tested with the default threaded MPM on Windows.
The plug-in
works with the Apache 2.2 prefork MPM but works best with the worker
MPM. The plug-in maintains connection pools to backend WebSphere Application
Servers and uses in-memory caching. These plug-in functions perform
most efficiently when Apache is configured to use a single child
process with the ThreadsPerChild value equal to the MaxClients value.
The plug-in can be used with the prefork MPM or the worker MPM that
is configured with multiple child processes, but at reduced efficiency.
Compatibility Statement The plug-in
works with versions of the Apache HTTP Server that claim full binary
compatibility with Apache 2.0.47 and later, which are built with compilers
and compiler options that are compatible with those used to build
the plug-in.
Perform the step that configures Apache 2.2 for your operating system.
Examples and messages are shown on more than one line for clarity. Place each directive in a Web server configuration file on one line.
Local file path means a file path to the plugin-cfg.xml file on an Application Server that is on the same machine as the Web server. Remote file path means the file path to the plugin-cfg.xml file when the Application Server is on a remote machine.
The Plug-ins installation wizard installs a dummy plugin-cfg.xml file
during installation, but this file requires periodic propagation from
the real file on the Application Server machine.
The node_name in
the following Application Server local file paths is web_server_name_node for
a stand-alone Application Server or managed_node_name for
a managed node.
The name of the Web server definition in the following steps is webserver1.
The Apache 2.2 Web server is reconfigured.
The native GSKIT Secure Sockets Layer
(SSL) encryption library is used.
The Plug-ins
installation wizard installs the GSKIT SSL encryption library at the
required level if it is not installed. If you manually copy the plug-in
to a new machine, you might not have the required GSKIT libraries
for encrypting back-end connections.
After configuring a Web server, you can install applications on it. See the Applications section of the information center for more information.
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