This Mullvad article announces the end of support for port forwarding, including the date existing forwarded ports were removed.
Hysteria
Hysteria provides an open-source, censorship-resistant proxy that can host a server behind NAT and connect clients directly without port forwarding.
About Hysteria
Hysteria is a censorship-resistant proxy that can be hosted behind NAT. With Hysteria Realms, a server can run from a home, cellular, or similar network, with clients connecting directly peer-to-peer without port forwarding or relay.
It supports SOCKS5, HTTP proxy, TCP/UDP forwarding, Linux TProxy, and TUN, and uses a customized QUIC protocol that appears as standard HTTP/3 traffic. It includes custom authentication, traffic statistics, and access control, with builds for major platforms and documentation in English and Chinese.
Key features
- Host a proxy server behind NAT without port forwarding
- Clients connect directly peer-to-peer without a relay
- Supports SOCKS5 and HTTP proxy modes
- Supports TCP/UDP forwarding, Linux TProxy, and TUN
- Uses customized QUIC protocol designed for unreliable networks
- Includes custom authentication, traffic statistics, and access control
Best for: People who want to run a proxy server from networks without a public IP.
Good for
- Works behind NAT without port forwarding or relay
- Supports several proxy and forwarding modes in one tool
- MIT-licensed code published on GitHub
Hysteria at a glance
- Website
- v2.hysteria.network
- Category
- Privacy & Security › VPNs
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Hysteria alternatives
Tools and sites you could use instead, ranked by how closely they match.
RaceVPN offers VPN servers with WireGuard, V2Ray, and OpenVPN options, and advertises a free three-day plan without registration.
Connect to WireGuard and AmneziaWG servers from a desktop computer with this open-source client.
Open source
24 alternatives
WireSock Secure Connect is a VPN client for Windows, with free personal and educational use and separate licensing for business use.
Connect with WireGuard or AmneziaWG through WG Tunnel, an open-source client.
Use Scramjet, an interception-based web proxy designed to bypass browser restrictions and censorship.
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