Port Numbers (Number to Service) Flashcards
1
Q
20
A
FTP
2
Q
21
A
FTP
3
Q
22
A
SSH
4
Q
23
A
Telnet
5
Q
25
A
SMTP
6
Q
53
A
DNS
7
Q
67
A
DHCP
8
Q
68
A
DHCP
9
Q
69
A
TFTP
10
Q
80
A
HTTP
11
Q
110
A
POP3
12
Q
123
A
NTP
13
Q
137
A
NetBIOS
14
Q
138
A
NetBIOS
15
Q
139
A
NetBIOS
