AddMissingPort adds a port to a host if it is missing.

CleanPath is the URL version of path.Clean, it returns a canonical URL path for p, eliminating .

Get bool from env.

LocalIP returns host's ip.

NewNetAddr creates a new NetAddr object with the network and address provided.

SkipCRLF will only skip the next CRLF("\r\n"), otherwise, error will be returned.

TLSRecordHeaderLooksLikeHTTP reports whether a TLS record header looks like it might've been a misdirected plaintext HTTP request.

NetAddr implements the net.Addr interface.

H is a shortcut for map[string]interface{}.