Name Number(h) Type Usage 00 U Workstation Service 01 U Messenger Service <\\--__MSBROWSE__> 01 G Master Browser 03 U Messenger Service 06 U RAS Server Service 1F U NetDDE Service 20 U File Server Service 21 U RAS Client Service 22 U Microsoft Exchange Interchange(MSMail Connector) 23 U Microsoft Exchange Store 24 U Microsoft Exchange Directory 30 U Modem Sharing Server Service 31 U Modem Sharing Client Service 43 U SMS Clients Remote Control 44 U SMS Administrators Remote Control Tool 45 U SMS Clients Remote Chat 46 U SMS Clients Remote Transfer 4C U DEC Pathworks TCPIP service on Windows NT 52 U DEC Pathworks TCPIP service on Windows NT 87 U Microsoft Exchange MTA 6A U Microsoft Exchange IMC BE U Network Monitor Agent BF U Network Monitor Application 03 U Messenger Service 00 G Domain Name 1B U Domain Master Browser 1C G Domain Controllers 1D U Master Browser 1E G Browser Service Elections 1C G IIS 00 U IIS [2B] U Lotus Notes Server Service IRISMULTICAST [2F] G Lotus Notes IRISNAMESERVER [33] G Lotus Notes Forte_$ND800ZA [20] U DCA IrmaLan Gateway Server Service