Common Ports Flashcards
1
Q
ITP
A
21
Interactive Terminal Protocol
2
Q
Telnet
A
23
3
Q
SMTP
A
25
Typically used for sending e-mail.
4
Q
HTTP
A
80
5
Q
SSH
A
22
Secure Shell
6
Q
SNMP
A
161
Simple Network Management Protocol
7
Q
Netbios
A
137, 138, 139
8
Q
FTP
A
Port 20 for data, 21 for establishing connection
9
Q
DNS
A
53
10
Q
LDAPS
A
Lightweight Directory Access Protocol Secure
636
11
Q
POP3
A
110
Typically used for receiving e-mail by downloading to a local client.
11
Q
AFP
A
548/427
Apple Filing Protocol
13
Q
IMAP
A
143
Typically used for viewing e-mail by connecting to a mail server.
14
Q
IRC
A
194
15
Q
SLP
A
427
Service Location Protocol
16
Q
LDAP
A
Lightweight directory access protocol
389
17
Q
HTTPS
A
443
18
Q
RDP
A
3389 for TCP and UDP
19
Q
SMB
A
445
Server Message Block
20
Q
TFTP
A
69
