CHAPTER A: PORT AND TYPE REFERENCE PORT AND TYPE REFERENCE
MULTINET4 MULTI-PORT SERIAL SERVER & MANAGED SWITCH – INSTRUCTION MANUAL A–3
123/UDP NTP (Network Time Protocol)
135/TCP,UDP EPMAP / Microsoft RPC Locator Service
137/TCP,UDP NetBIOS Name Service
138/TCP,UDP NetBIOS Datagram Service
139/TCP,UDP NetBIOS Session Service
143/TCP,UDP IMAP4 (Internet Message Access Protocol 4)
156/TCP,UDP SQL Service
161/TCP,UDP SNMP (Simple Network Management Protocol)
162/TCP,UDP SNMPTRAP
179/TCP BGP (Border Gateway Protocol)
194/TCP IRC (Internet Relay Chat)
213/TCP,UDP IPX
369/TCP,UDP Rpc2portmap
371/TCP,UDP ClearCase albd
389/TCP,UDP LDAP (Lightweight Directory Access Protocol)
401/TCP,UDP UPS Uninterruptible Power Supply
427/TCP,UDP SLP (Service Location Protocol)
443/TCP,UDP HTTPS - HTTP Protocol over TLS/SSL (encrypted transmission)
445/TCP Microsoft-DS (Active Directory, Windows shares, Sasser worm,
Agobot, Zobotworm)
445/UDP Microsoft-DS SMB file sharing
464/TCP,UDP Kerberos Change/Set password
500/TCP,UDP ISAKMP, IKE-Internet Key Exchange
514/UDP syslog protocol
520/UDP Routing - RIP
524/TCP,UDP NCP (NetWare Core Protocol)
530/TCP,UDP RPC
540/TCP UUCP (Unix-to-Unix Copy Protocol)
542/TCP,UDP commerce (Commerce Applications)
554/TCP,UDP RTSP (Real Time Streaming Protocol)
563/TCP,UDP NNTP protocol over TLS/SSL (NNTPS)
Table A–1: Well Known Ports
Port Description