Greg - SiteOrigin

I built this plugin to help ease the transition during a DNS changeover, but you can use it any way you please. It turns your WordPress installation into a very simple proxy server. It fetches content from another URL, caches it and displays it. Requests are cached for 24 hours.
Install the plugin, then head over to Settings > Simple Proxy in your WordPress admin. Enter the URL you want to proxy to and when you’re ready to go, also check the enabled checkbox.
You need to have <a href="https://codex.wordpress.org/Using_Permalinks#Choosing_your_permalink_structure" rel="nofollow ugc">pretty permalinks</a> enabled.
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Simple Proxy

Turns your WordPress installation into a simple caching proxy.

emfluence interactive marketing

Jacob Schwartz

If you have Cloudfront in front of WordPress and are using Wordfence, this plugin is for you.
If you don’t provide Cloudfront’s IP addresses to Wordfence, any bad behavior out there can get Cloudfront itself blocked by Wordfence – and then no one will be able to access your site.
This plugin downloads Cloudfront’s IP address list directly from Amazon Web Services (AWS). Then it adds and automatically updates the proxy IP addresses for Cloudfront in Wordfence, so that Wordfence can correctly identify the end user’s IP address.
AWS updates its list of IP addresses every now and then. Don’t manually add IP addresses, and then try to keep track of Cloudfront IP address changes. Just install this plugin and stop worrying!
Want to change how this plugin works, or add to it? Fork it on GitHub! 
https://github.com/emfluencekc/Wordfence-Cloudfront-IPs
Documentation, privacy, terms of use, and the list of IP addresses that are used by this plugin can be found here: 
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/LocationsOfEdgeServers.html

Proxy IP Addresses for Cloudfront with Wordfence

Automatically update Wordfence's list of proxy IP addresses with Cloudfront IP addresses

Simple Proxy vs Proxy IP Addresses for Cloudfront with Wordfence