This is not an extension, instead it is a Firefox `user.js` config file. This file is a template which aims to provide as much privacy and enhanced security as possible, and to reduce tracking and fingerprinting as much as possible - while minimizing any loss of functionality and breakage (but it will happen).
Blocks websites from using javascript to port scan your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts. [Website](https://www.g666gle.me/Port-Authority/), [Source Code](https://github.com/ACK-J/Port_Authority)