Well-known Ports - Ports to Service 7/28 Flashcards
(44 cards)
1
Q
TCP 20
A
FTP Data
2
Q
TCP 21
A
FTP Control
3
Q
TCP 22
A
SSH
4
Q
TCP 23
A
Telnet
5
Q
TCP 25
A
SMTP
6
Q
UDP/TCP 53
A
DNS
7
Q
UDP 67
A
DHCP Server
8
Q
UDP 68
A
DHCP Client
9
Q
UDP 69
A
TFTP
10
Q
TCP 80
A
HTTP
11
Q
TCP 110
A
POP3
12
Q
UDP 161
A
SNMP
13
Q
TCP 443
A
SSL
14
Q
UDP 514
A
Syslog
15
Q
UDP 16,384 to 32,767
A
RTP Voice/Video
16
Q
IP 47
A
GRE
17
Q
TCP 179
A
BGP
18
Q
TCP 49
A
TACACS+
19
Q
UDP 520
A
RIP
20
Q
IP 89
A
OSPF
21
Q
IP 88
A
EIGRP
22
Q
TCP/UDP 1812
A
RADIUS Authentication (per RFC)
23
Q
IP 2
A
IGMPv2
24
Q
UDP 4342
A
LISP Control Plane i.e. Map Notify Msg
25
UDP 8472
VXLAN (Linux)
26
IP 103
PIM Control
27
UDP 123
NTP
28
IP 51
IPSec Authentication Header (AH)
29
UDP 500
ISAKMP
30
IP 50
ESP
31
UDP 4341
LISP Data Plane header
32
UDP 4789
VXLAN (IANA)
33
TCP 1646
RADIUS Accounting (Cisco)
34
TCP/UDP 1813
RADIUS Accounting (per RFC)
35
IP 33434
Traceroute
36
TCP 1645
RADIUS Authentication (Cisco)
37
IP 112
VRRPv3
38
UDP 1985
HSRPv1 and v2
39
UDP 2029
HSRP for IPV6
40
TCP 6514
Syslog over TLS
41
IP 6
TCP
42
IP 17
UDP
43
TCP/UDP 646
MPLS Label Distribution Protocol (LDP)
44
UDP 162
SNMP Traps
