Probe Shadowsocks

[yrutschle]

          This is totally off topic, but similar, read how the GFW passively blocks Shadowsocks proxies. Would be best to implement the reverse of it into sslh though:

https://gfw.report/publications/usenixsecurity23/en/

Originally posted by @iamdoubz in #316 (comment)

[yrutschle]

@iamdoubz I am not sure what you suggest: heuristics to determine if random-looking traffic is Shadowsocks? (I admit I haven't read the whole paper. I might in the coming weeks, but no guarantees)

[iamdoubz]

The simple version is use what the paper explores to determine if the tls traffic is obfuscated on purpose and forward that traffic to another service inside of the sslh.cfg file. Would be a "catch all" tls traffic of sorts.