34 terms

Popular port numbers

cisco, networking
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Well Known (Common) Ports
0-1023
FTP
TCP/UDP 20(data) and TCP 21(control)
File Transfer Protocol
SSH
TCP/UDP 22
Secure Shell
Telnet
TCP/UDP 23
SMTP
TCP 25
Simple Mail Transfer Protocol
DNS
TCP/UDP 53
Domain Name System
DHCP
UDP 67(IPv4 client) and UDP 68(IPv4 server);
TCP/UDP 546(IPv6 client) and TCP/UDP 547(IPv6 server)
Dynamic Host Configuration Protocol
TFTP
UDP 69
Trivial File Transfer Protocol
HTTP
TCP 80
Hypertext Transfer Protocol
Kerberos
TCP/UDP 88
Kerberos Authentication System
POP
TCP 110
Post Office Protocol
NTP
TCP 123
Network Time Protocol
NBNS
UDP/TCP 137
NetBIOS Name Service
IMAP4
TCP 143
Internet Message Access Protocol
SNMP
UDP 161
Simple Network Management Protocol
IRC
TCP/UDP 194
Internet Relay Chat
HTTPS
TCP 443
Hypertext Transfer Protocol Secure
SSL
TCP 443
Secure Sockets Layer
RIP
UDP 520
Routing Information Protocol
AOL IM
TCP/UDP 531
America On Line Instant Messenger
RTSP
TCP/UDP 554
Real Time Streaming Protocol
Registered Ports
1024-49151
Private and/or Dynamic Ports
49152-65535
MS SQL
TCP 1433
Radius
TCP/UDP 1812
Remote Access Dial-In User Server Authentication Protocol
Cisco CSSP (VoIP)
UDP 2000
Cisco Skinny Call Control Protocol
RTP
UDP 5004
Real-Time Transport Protocol
SIP
UDP 5060
Session Initiation Protocol
WAP (MMS)
TCP/UDP 2948
PPTP
TCP 1723
GRE 47
Point to Point Tunneling Protocol
SSTP
TCP 443
Secure Socket Tunneling Protocol
L2TP
UDP 500, UDP 4500, UDP 1701, ESP 50
Layer 2 Tunneling Protocol
IKEv2
UDP 500, UDP 4500, UDP 1701, ESP 50
Internet Key Exchange version 2
Voice
UDP 16384-32767
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