Stop mobile network proxy from injecting JavaScript

Question

I am using a mobile network based internet connection and the source code is being rewritten when they present the site to the end user.

In the localhost my website

Answer 1

An effective solution that I found was to edit your hosts file (/etc/hosts on Unix/Linux type systems, C:\Windows\System32\drivers\etc on Windows) to have:

null 1.2.3.4

Which effectively maps all requests to 1.2.3.4 to null. Tested with my Crazy Johns (owned by Vofafone) mobile broadband. If your provider uses a different IP address for the injected script, just change it to that IP.