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Disable MPTCP by default

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Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>
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Romain 2025-07-22 11:10:05 +02:00 • committed by GitHub
parent 27326e6569
commit b2b4b66b08
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2 changed files with 20 additions and 1 deletions
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10
pkg/server/server_entrypoint_tcp.go
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@ -457,7 +457,15 @@ func buildProxyProtocolListener(ctx context.Context, entryPoint *static.EntryPoi
}
func buildListener(ctx context.Context, entryPoint *static.EntryPoint) (net.Listener, error) {
listener, err := net.Listen("tcp", entryPoint.GetAddress())
config := net.ListenConfig{}
// TODO: Look into configuring keepAlive period through listenConfig instead of our custom tcpKeepAliveListener, to reactivate MultipathTCP?
// MultipathTCP is not supported on all platforms, and is notably unsupported in combination with TCP keep-alive.
if !strings.Contains(os.Getenv("GODEBUG"), "multipathtcp") {
config.SetMultipathTCP(false)
}
listener, err := config.Listen(ctx, "tcp", entryPoint.GetAddress())
if err != nil {
return nil, fmt.Errorf("error opening listener: %w", err)
}