They sniffing the traffic with DPI and block vpn tech on protocol level, so easy detectable things like OpenVPN, Wireguard and Tailscale doesn’t work anymore

VPS

You should if your ip is private, not public.

Unfortunately, Deep Packet Inspection does this as Tailscale/Wireguard does not encrypt traffic

My bad, it encrypts traffic, but I mean easily readable signature

Please read the post man, all VPNs are blocked on the protocol level