If you don’t have internet access on the IIS ARR server, you can use the steps highlighted in How to install Application Request Routing (ARR) 2.5 without Web Platform Installer (WebPI). OPTION 1. This is the simplest way of implementing IIS ARR as a Reverse Proxy solution for Exchange Server 2013.
Jun 11, 2019 · Proxy servers are relatively safe, but they don’t encrypt your outgoing data. The proxy provider would have access to that data. While most providers are honest, this could constitute a security risk. Another potential issue is that a proxy server only filters data from your browser, not your wider network, which could be less than you need.