config

type ProxyConfig struct {
	IncomingAddress string        // incoming connection from the internet
	PortOutLocal    int           // outgoing connection to local intermediary or origin server
	PortInLocal     int           // incoming connection from local intermediary
	OutgoingAddress string        // outgoing connection to next intermediary
	Whitelisting    bool          // apply whitelisting
	ConnTimeout     time.Duration // connection read and write timeout
	Origin          bool          // true, if target is origin server, false if target is intermediary with two endpoints
}