Pinggy

ssh -p 443 -R0:localhost:56789 -o StrictHostKeyChecking=no -o ServerAliveInterval=30 6Eyd7skanEB@free.pinggy.io

Tailscale funnel
https://tailscale.com/kb/1223/funnel
must be localhost

sudo tailscale funnel localhost:port

Devtunnel
localhost only

devtunnel host -a -p 56789 

Serveo

ssh -R 80:localhost:3000 serveo.net

Client behavior
V2RayNG, Nekobox do not have subscription tracking
Only hiddify does
It is done via appending

#reality-18mwh38z-204.80MB%F0%9F%93%8A-23H%E2%8F%B3