Well-known Ports - Service to Ports Flashcards
(42 cards)
FTP Data
TCP 20
FTP Control
TCP 21
SSH
TCP 22
Telnet
TCP 23
SMTP
TCP 25
DNS
UDP/TCP 53
DHCP Server
UDP 67
DHCP Client
UDP 68
TFTP
UDP 69
HTTP
TCP 80
POP3
TCP 110
SNMP
UDP 161
SSL
TCP 443
Syslog
UDP 514
RTP Voice/Video
UDP 16,384 to 32,767
GRE
IP 47
BGP
TCP 179
TACACS+
TCP 49
RIP
UDP 520
OSPF
IP 89
EIGRP
IP 88
RADIUS Authentication (per RFC)
TCP/UDP 1812
IGMPv2
IP 2
PIM Control
IP 103