Flirexa / Protocols / Hysteria2

Starter and above

Manage Hysteria2 as one option in a multi-protocol service

Hysteria2 is a TCP and UDP proxy built on QUIC. Its official protocol can behave like a normal HTTP/3 server to an unauthenticated observer. Flirexa adds customer access, plan gates, server operations, delivery, and support around it.

View StarterRead official Hysteria2 documentation

Protocol behavior

QUIC is useful in the right network and unusable in the wrong one

TCP and UDP proxying

The protocol carries proxy requests over QUIC and supports both TCP and UDP relay. It is not a WireGuard peer and its configuration and client compatibility are different.

HTTP/3 masquerading

The official protocol specification requires an unauthenticated server to behave like a standard HTTP/3 web server or reverse proxy rather than exposing a distinctive authentication failure.

UDP dependency

If a network blocks or severely degrades QUIC or UDP, Hysteria2 may be the wrong option for that path. Protocol variety matters because no transport wins on every network.

Operator workflow

Keep protocol differences behind one commercial model

  • publish a plan that grants the appropriate protocol access
  • create Hysteria2 customer credentials on the selected server
  • render the supported URI or client payload without leaking another account
  • track expiration, traffic policy, and enabled state in the same customer record
  • use the customer portal or compatible application to deliver access
  • monitor the server and test the actual route from target networks
TierHysteria2 begins with Starter; remote-node orchestration begins with Business
TransportQUIC with the unreliable datagram extension, according to the official specification
Default appearanceAn unauthenticated endpoint can resemble an HTTP/3 server when configured correctly
CDNThe official documentation says ordinary CDN proxying does not carry authenticated Hysteria traffic

Questions

Hysteria2 in Flirexa

Is Hysteria2 a replacement for WireGuard?

It is a different proxy protocol and transport choice. Many operators offer both, then guide customers based on client compatibility and network conditions.

Does HTTP/3 masquerading make the server invisible?

No. It changes how an unauthenticated endpoint behaves and how traffic appears, but configuration, route reputation, probing methods, and network policy still matter.

Can I run it through Cloudflare or another CDN?

The official Hysteria2 documentation says standard CDNs cannot proxy the authenticated custom protocol after the initial HTTP/3 behavior. Design the node with a direct reachable path.

Can customers receive access from the same portal?

Yes. Flirexa's customer model can deliver the supported protocol payload from the same account and subscription system used by the other enabled protocols.

Protocol statements are based on the official Hysteria2 specification and documentation. Availability must be tested on the operator's actual networks.