Port Numbers and Protocols Flashcards
110
TCP, Post Office Protocol (POP) version 3
119
TCP/UDP, NNTP Network News Transfer Protocol
123
UDP, NTP
137
TCP/UDP, NetBIOS Name Service
138
TCP/UDP NetBIOS Datagram
139
TCP, NetBIOS Session
143
TCP, IMAP4 Internet Message Access
161
UDP, SNMP Polling, SNMP Agent receives requests
162
UDP, SNMP (RX Traps), SNMP management station receives SNMP notifications from Agents
1701
UDP, L2TP – Layer 2 Tunneling Protocol
1723
TCP/UDP PPTP – Point-to-Point Tunneling Protocol
179
TCP bGP
20
TCP , FTP Data
21
TCP, FTP Connection
22
TCP, Secure Shell
23
TCP, Telnet
25
TCP, SMTP Simple Mail Transfer
3389
TCP, RDP
389
TCP/UDP, LDAP, Lightweight Directory Access Protocol. Controls access to Active Directory objects.
443
TCP, HTTPS
49
TCP, TACACS Terminal Access Controller Access-Control System. Login authentication. Authentication uses START, CONTINUE, and REPLY packets.
500
TCP/UDP, IPSec based vpn via ISAKMP (VPN) – Internet Security Association and Key Management Protocol (virtual private network)
514
UDP, SYSLOG
53
TCP/UDP DNS
67/68
UDP IPV4 dhcp
69
UDP, TFTP Trivial File Transfer
80
TCP, HTTP
1812
UDP, Default Radius (authentication and authorization)
1813
UDP, Default Radius (accounting)
88
TCP/UDP, KERBEROS authentication. Two-step process using “tickets” as tokens for authentication.
TCP, Post Office Protocol (POP) version 3
110
NNTP Network News Transfer Protocol
119 TCP/UDP,
NTP
123 UDP,
TCP/UDP, NetBIOS Name Service
137