81/tcp Name Server NS
82/tcp XFER Utility XFER
119/tcp Network News Transfer Protocol NNTP
389/tcp Lightweight Directory Access Protocol LDAP
1002 is unassigned as a standard TCP/UDP port Possible Application(s) = NetMeeting or another non-standard LDAP
1080 is a SOCKS protocol or proxy
1720 is another non-standard port but NetMeeting and GnomeMeeting use this as RDS (Remote Desktop Sharing) also a common DoS vulnerability port

??????? Data-collection?