Yannik Schmidt
Jul 3, 2020 · 10 min read

Blocking VPNs is a common practice nowadays, be it on ISP/Government level or just the local coffee shop. Also, if you can hide the information that you are using a VPN, shouldn’t you just do it for the sake of it?

Threat models

Blind blocking of ports (or IPs)

The most common way of blocking VPN connections — or really any connections of well known…