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On the way back it is in turn the last instance in which the responses can be checked one last time.

In a staggered defense spanning three levels, the reverse proxy or to be technically correct, the gateway server, provides the first look into the encrypted requests. This is referred to as a three-tier model. This in turn is connected to a database server located in yet another layer. It conducts a security check on the HTTP payload and forwards the requests found to be good to the application server in the second layer. Only the reverse proxy is exposed to the internet. Why are we doing this?Ī modern application architecture has multiple layers. In doing so, we’ll become familiar with several configuration methods and will be working with ModRewrite for the first time. We are configuring a reverse proxy protecting access to the application and shielding the application server from the internet.

Table of Contents What are we doing? Why are we doing this? Requirements Step 1: Preparing the backend Step 2: Enabling the proxy module Step 3: ProxyPass Step 4: Proxy stanza Step 5: Defining exceptions when proxying and making other settings Step 6: ModRewrite Step 7: ModRewrite Step 8: Balancer Step 9: RewriteMap Step 10: Forwarding information to backend systems Step 11 (Goodie): Configuration of the complete reverse proxy server References License / Copying / Further use What are we doing?