Configure Apache HTTP Server Version 2.2 or 2.4 Using mod_proxy

This section provides instructions on how to configure an external Web server on both Windows and Linux systems.

Configure Apache HTTP Server Version 2.2 or 2.4 Using mod_proxy on a Windows System

Download and install the Apache HTTP Server version 2.2 or 2.4 from the Apache HTTP Server Project web site (http://httpd.apache.org/download.cgi).

Note: Make sure that you use the MSI installer that includes OpenSSL.
Navigate to C:\Program Files\Apache Group\Apache\conf and open the Apache server configuration file httpd.conf in a text editor.

In the httpd.conf file, uncomment the following lines:

LoadModule proxy_module modules/mod_proxy.so 
LoadModule proxy_balancer_module modules/mod_proxy_ balancer.so 
LoadModule proxy_http_module modules/mod_proxy_http.so 
LoadModule proxy_http_module modules/mod_ssl.so

Add the following line to the httpd.conf file:
```
Include conf/extra/reverse_proxy.conf
```
Save and close the httpd.conf file.
Configure SSL for your Apache web server. (For information, see Configure Apache HTTP Server Version 2.2 Using mod_jk (IPv4 Only).)

Use the following template to create a file named reverse_proxy.conf.

Note:

Make sure that your reverse_proxy.conf correctly conforms to this format. In each directive section, list each node with IP, PORT, and the respective KINTANA_SERVER_NAME.
Make sure that you use EXTERNAL_WEB_PORT to connect to a load balancer or web server and set EXTERNAL_WEB_PORT to HTTP.

For example, for a two-node cluster:

ProxyPass /itg balancer://itg stickysession=JSESSIONID|jsessionid nofailover=Off
ProxyPassReverse /itg balancer://itg
ProxyPass /dashboard balancer://dashboard stickysession=JSESSIONID|jsessionid nofailover=Off
ProxyPassReverse /dashboard balancer://dashboard

ProxyPassReverse/itg http://<PPM_Webserver_IP_Address>/itg
ProxyPassReverse/dashboard http://<Proxy_Server_IP_Address>/dashboard

<Proxy balancer://itg>
BalancerMember http://<PPM_Server_IP_Address:EXTERNAL_WEB_PROTOCOL>/itg route=KINTANA_SERVER_NAME
BalancerMember http://<PPM_SERVER_IP_ADDRESS:EXTERNAL_WEB_PROTOCOL>/itg route=KINTANA_SERVER_NAME
</Proxy>

<Proxy balancer://dashboard>
BalancerMember http://<PPM_SERVER_IP_ADDRESS:EXTERNAL_WEB_PROTOCOL>/itg route=KINTANA_SERVER_NAME
BalancerMember http://<PPM_SERVER_IP_ADDRESS:EXTERNAL_WEB_PROTOCOL>/itg route=KINTANA_SERVER_NAME
</Proxy>

ProxyPreserveHost on

Restart the Apache web server.
Check your PPM Center server.conf file to make sure that all of your base URLs are of the following type:
```
http(s)://<Reverse_Proxy_Server_IP_Address>/
```

Configure Apache HTTP Server Version 2.2 or 2.4 Using mod_proxy on a Linux System

Download and install the Apache HTTP Server Version 2.2 or 2.4 from the Apache HTTP Server Project web site (http://httpd.apache.org/download.cgi).
Download the UNIX source file httpd-2.2.xx.tar.gz or httpd-2.4.xx.tar.gz.

Run the following commands:

$ gzip -d httpd-NN.tar.gz

$ tar xvf httpd-NN.tar

./configure --prefix=/etc/httpd-NN --enable-proxy --enable-proxy-http --enable-proxy-balancer --enable-ssl -enable-so

make

make install

Configure SSL for your Apache web server. (For information, see Configure Apache HTTP Server Version 2.2 Using mod_jk (IPv4 Only).)
Open the httpd.conf file in a text editor.

To find the Apache installation directory and print the httpd.conf file location, run # httpd -v.
Add the following line to the httpd.conf file:
```
Include conf/extra/reverse_proxy.conf
```

Use the following template to create a file named reverse_proxy.conf.

Note:

Make sure that your reverse_proxy.conf correctly conforms to this format. In each directive section, list each node with IP, PORT, and the respective KINTANA_SERVER_NAME.
Make sure that you use EXTERNAL_WEB_PORT to connect to a load balancer or web server and set EXTERNAL_WEB_PORT to HTTP.

For example, for a two-node cluster:

ProxyPass /itg balancer://itg stickysession=JSESSIONID|jsessionid nofailover=Off
ProxyPassReverse /itg balancer://itg
ProxyPass /dashboard balancer://dashboard stickysession=JSESSIONID|jsessionid nofailover=Off
ProxyPassReverse /dashboard balancer://dashboard

ProxyPassReverse/itg http://<PPM_Webserver_IP_Address>/itg
ProxyPassReverse/dashboard http://<Proxy_Server_IP_Address>/dashboard

<Proxy balancer://itg>
BalancerMember http://<PPM_Server_IP_Address:EXTERNAL_WEB_PORT>/itg route=KINTANA_SERVER_NAME
BalancerMember http://<PPM_SERVER_IP_ADDRESS:EXTERNAL_WEB_PORT>/itg route=KINTANA_SERVER_NAME
</Proxy>

<Proxy balancer://dashboard>
BalancerMember http://<PPM_SERVER_IP_ADDRESS:EXTERNAL_WEB_PORT>/itg route=KINTANA_SERVER_NAME
BalancerMember http://<PPM_SERVER_IP_ADDRESS:EXTERNAL_WEB_PORT>/itg route=KINTANA_SERVER_NAME
</Proxy>

ProxyPreserveHost on

Restart the Apache web server.
Check your PPM Center server.conf file to make sure that all of your base URLs are of the following type:
```
http(s)://<Reverse_Proxy_Server_IP_Address>/
```

Configure Apache HTTP Server Version 2.2 or 2.4 Using mod_proxy

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