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Thursday, May 22, 2014

Reverse proxy with apache

Creating reverse proxy with appache is quite easy. The common scenario is that you want to redirect entire domain to internal application server. Steps: 1) install apache 2) Edit APACHE_HOME/conf/httpd.conf with following content:
Listen 80
#Listen 1080

LogLevel debug
#ProxyHTMLLogVerbose On

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule authz_core_module modules/mod_authz_core.so
LoadModule xml2enc_module modules/mod_xml2enc.so
LoadModule proxy_html_module modules/mod_proxy_html.so
LoadModule deflate_module modules/mod_deflate.so

<VirtualHost *>
 ProxyRequests OFF
 ProxyPreserveHost On
 
 ProxyPass / ajp://127.0.0.1:8009/
 ProxyPassReverse / ajp://127.0.0.1:8009/

 #ProxyPass /app/ ajp://127.0.0.1:8009/app/
 #ProxyPass /app/ ajp://127.0.0.1:8009/app/
 #ProxyHTMLURLMap  / /app/ 

</VirtualHost>
3) On the application server (Tomcat/JBoss) deploy your app in the root context. For JBoss use jboss-web.xml with following content:
<?xml version="1.0" encoding="UTF-8"?>
<jboss-web>
<context-root>/</context-root>
</jboss-web>
Also do not forget to disable the default root application from JBOSS_HOME/standalone/configuration/ set enable-welcome-root to false
<virtual-server name="default-host" enable-welcome-root="false">

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