Official up-to-date list of all well known TCP and UDP ports. [Don_Payette] 126/tcp Unisys Unitary Login unitary 126/udp Unisys Unitary Login Port 126 control, over [Christopher_Allen] [Christopher_Allen] TLS/SSL nas 991 tcp Netnews 2011-09-26 5842 udp Reserved 5843-5858 Unassigned wherehoo 5859 tcp .