Port Numbers Flashcards
1
Q
20
A
FTP
2
Q
21
A
FTP
3
Q
22
A
sFTP & 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
137
A
NetBIOS - name resolution
13
Q
138
A
NetBIOS
14
Q
139
A
NetBIOS - session
15
Q
143
A
IMAP
16
Q
161
A
SNMP
17
Q
162
A
SNMP
18
Q
389
A
LDAP
19
Q
443
A
HTTPS
20
Q
445
A
SMB/CIFS
21
Q
989
A
FTPS - Data port
22
Q
990
A
FTPS - command port
23
Q
993
A
IMAP encrypted
24
Q
995
A
POP3 encrypted
25
Q
465
A
SMTP encrypted SSL
26
Q
587
A
SMTP encrypted TLS
27
Q
3389
A
RDP
28
Q
427
A
SLP - Locates AFP service
29
Q
548
A
Apple Filing Protocol (AFP)
