The Complete Way To Apache Reverse Proxy
For any new learner, this post explains the step by step setup of Proxy reverse on Apache HTTP server. Apache which is mostly used for web server and not for reverse proxy. But it also comes with very powerful extensions that enable it to be a reverse proxy. This is a proxy that works by coordinating the client and the backend server.
The proxy server takes the client request to the correct backend server. In addition, it offers a number of other services including load balancing, SSL encryption, compression and caching. These things make it even more effective.
It is common to use reverse proxy servers in applications known as Python, Java, and Node.js. These are applications that do not have web server features. In this case, the client request is made using the Apache proxy server.
In this post we will show you how to use Apache a reverse proxy on backend servers. In addition, for your convenience, we will tell you about some of the settings that may come in handy.
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Apache as reverse proxy server
Before using Apache as a reverse proxy, you need to enable some important modules in it. This will allow Apache to work on the backend as a reverse proxy on apps and other hosts.
To enables Apache modules run Command
a2enmod proxy a2enmod proxy_http a2enmod rewrite a2enmod deflate a2enmod headers a2enmod proxy_balancer a2enmod proxy_connect a2enmod proxy_ajp a2enmod actions fcgid alias proxy_fcgi a2enmod proxy_html
Allow the following basic configuration for Apache to serve as a proxy server. This allows the user to create a VirtualHost and a space for requests on the backend server.
ServerName solutionclub.in # << --- # Change your domain ProxyPreserveHost On ProxyPass / http://127.0.0.1:8080/ ProxyPassReverse / http://127.0.0.1:8080/
This tells us that Apache is passing domain requests to another Proxy server ( http://127.0.0.1:8080)
We simply explain this as if a user requested it at http://example.com/ and Apache sent it to the backend server which you can see at ProxyPass and ProxyPassReverse lines: http://127.0.0.1:8080 Can You can advance settings on this Proxy Server in many more ways. Here we are giving you a very easy way of configuration. It is also very easy to understand.
One of the features that makes it special is that it can easily pick up requests from non-HTTP servers. Here are some examples.
You can use PHP-FPM for non-HTTP hosts. An example is given below. It will also clear your concept.
ServerName solutionclub.in ProxyPreserveHost On # Servers to proxy the connection, or; # 2.4.10+ can proxy to unix socket SetHandler "proxy:unix:/run/php/php7.4-fpm.sock|fcgi://localhost"
In addition, you need to enable them to work in sync with PHP-FPM apache2.
Apache Options configure
It is worth noting that proxy servers have many more options on how to handle a request. It has many options for backend servers or apps. This is especially recommended in the Apache proxy. All of these frameworks work wherever Apache’s reverse proxy is used. This should make all of its titles work as well.
ServerName solutionclub.in UseCanonicalName on ProxyPreserveHost on CacheStaleOnError on RemoteIPHeader X-Forwarded-For ProxyRequests Off ProxyPass / http://127.0.0.1:8080/ ProxyPassReverse / http://127.0.0.1:8080/
Come to an end, this article explains how Apache works as a reverse proxy server. It explains what commands are needed for this and how to prepare for it in advance. It also explains how it handles requests on the backend and how it works. If you come across any errors about it, you can mention your problem in the comments. We try to give you the right answer.