NewTCPHandler returns a TCP forwarder with Intra-style behavior.

NewTunnel creates a connected Intra session.

NewUDPHandler makes a UDP handler with Intra-style DNS redirection: All packets are routed directly to their destination, except packets whose destination is `fakedns`.

TCPSocketSummary provides information about each TCP socket, reported when it is closed.

UDPSocketSummary describes a non-DNS UDP association, reported when it is discarded.

Listener receives usage statistics when a UDP or TCP socket is closed, or a DNS query is completed.

TCPHandler is a core TCP handler that also supports DOH and splitting control.

TCPListener is notified when a socket closes.

Tunnel represents an Intra session.

UDPHandler adds DOH support to the base UDPConnHandler interface.

UDPListener is notified when a non-DNS UDP association is discarded.