PublicKeyCallback:       sshPubKeyAuth,
	}

	if !disablePassAuth {
		sshConfig.PasswordCallback = sshPasswordAuth
	} else {
		sshConfig.PasswordCallback = nil
	}

	sshConfig.AddHostKey(private)

	handleSFTPSession := func(channel ssh.Channel, sconn *ssh.ServerConn) {
		var remoteIP string

		if host, _, err := net.SplitHostPort(sconn.RemoteAddr().String()); err == nil {
			remoteIP = host