Enabling reverse proxy in Sitecore on Azure PaaS and gotchas

In Sitecore or any .Net application, you can easily achieve Reverse Proxy with the help of Url Rewrite and Application Request Routing (ARR) as mentioned in https://docs.microsoft.com/en-us/iis/extensions/url-rewrite-module/reverse-proxy-with-url-rewrite-v2-and-application-request-routing.

There are some nice blogs and answers available to achieve same in Sitecore.

Recently, we were required to achieve exact same thing. But the tweak was our instance is on Azure PaaS. So, It’s clear from the configuration in Sitecore’s perspective. But one can have questions like Do we need to install ARR on WebApp? How do we enable Reverse Proxy setting on ARR without IIS access? We were having the same access. Let’s answer these questions.

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