# Request based basics

- [TLS Fingerprinting](/request-based-basics/tls-fingerprinting.md): This page explains everything you need to know about TLS when making requests based modules.
- [Header Order](/request-based-basics/header-order.md): This page explains everything you need to know about headers and header order when making requests based modules.
- [Installing Charles WebProxy](/request-based-basics/installing-charles-webproxy.md)
- [Installing powhttp](/request-based-basics/installing-powhttp.md)
- [Recording HAR files for Harvey](/request-based-basics/recording-har-files-for-harvey.md): This page explains how to record HAR files from your code to receive support. We explain how to do this with the recommended tools: Charles Webproxy and PowHTTP.