Port Numbers Flashcards
1
Q
File transfer protocol 
A
20 and 21 
2
Q
SSH 
A
22 
3
Q
 SFTP
A
 22 
4
Q
Telnet

A
23
5
Q
SMTP
A
25
6
Q
DNS
A
53
7
Q
DHCP
A
67/68
8
Q
TFTP
A
69
9
Q
HTTP
A
80
10
Q
POP3
A
110
11
Q
NTP
A
123
12
Q

IMAP
A
143
13
Q
SNMP
A
161/162
14
Q
LDAP
A
389
15
Q
HTTPS
A
443
