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A QUIC implementation in pure go

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A QUIC implementation in pure Go

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quic-go is an implementation of the QUIC protocol, RFC 9000 protocol in Go. In addition to RFC 9000, it currently implements the IETF QUIC draft-29. Support for draft-29 will eventually be dropped, as it is phased out of the ecosystem.


We currently support Go 1.16.x and Go 1.17.x.

Running tests:

go test ./...

QUIC without HTTP/3

Take a look at this echo example.


As a server

See the example server. Starting a QUIC server is very similar to the standard lib http in go:

http.Handle("/", http.FileServer(http.Dir(wwwDir)))
http3.ListenAndServeQUIC("localhost:4242", "/path/to/cert/chain.pem", "/path/to/privkey.pem", nil)

As a client

See the example client. Use a

as a
in a
  Transport: &http3.RoundTripper{},

Projects using quic-go

| Project | Description | Stars | |------------------------------------------------------|--------------------------------------------------------------------------------------------------------|-------| | algernon | Small self-contained pure-Go web server with Lua, Markdown, HTTP/2, QUIC, Redis and PostgreSQL support | GitHub Repo stars | | caddy | Fast, multi-platform web server with automatic HTTPS | GitHub Repo stars | | go-ipfs | IPFS implementation in go | GitHub Repo stars | | nextdns | NextDNS CLI client (DoH Proxy) | GitHub Repo stars | | syncthing | Open Source Continuous File Synchronization | GitHub Repo stars | | traefik | The Cloud Native Application Proxy | GitHub Repo stars | | v2ray-core | A platform for building proxies to bypass network restrictions | GitHub Repo stars |


We are always happy to welcome new contributors! We have a number of self-contained issues that are suitable for first-time contributors, they are tagged with help wanted. If you have any questions, please feel free to reach out by opening an issue or leaving a comment.

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