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