private SshTunnelingHostListService(
     LocalPortForwarding localPortForwarding,
     IPAddress host,
     NetworkCredential networkCredential,
     HttpHostListService http)
     : this(localPortForwarding, new IPEndPoint(host, 22), networkCredential, http)
 {
 }
 private SshTunnelingHostListService(
     LocalPortForwarding localPortForwarding,
     IPEndPoint host,
     NetworkCredential networkCredential,
     HttpHostListService http,
     SshSession session)
 {
     _localPortForwarding = localPortForwarding;
     _host = host;
     _networkCredential = networkCredential;
     _http    = http;
     _session = session;
 }
 private SshTunnelingHostListService(
     LocalPortForwarding localPortForwarding,
     IPEndPoint host,
     NetworkCredential networkCredential,
     HttpHostListService http)
     : this(
         localPortForwarding,
         host,
         networkCredential,
         http,
         Ssh.Ssh.GetSession(host, networkCredential))
 {
 }