Port Numbers Flashcards
1
Q
20, 21
A
FTP
2
Q
22
A
SSH
3
Q
23
A
TELNET
4
Q
25
A
SMTP
5
Q
53
A
DNS
6
Q
67/68
A
DHCP
7
Q
69
A
TFTP
8
Q
80
A
HTTP
9
Q
88
A
KERBEROS
10
Q
110
A
POP3
Incoming Mail
11
Q
123
A
NTP
12
Q
137-139
A
NETBIOS
13
Q
143
A
IMAP
Incoming Mail
14
Q
161
A
SNMP
15
Q
243
A
TCP/UDP
16
Q
389
A
LDAP
17
Q
427
A
SLP
18
Q
443
A
HTTPS
19
Q
445
A
SMB
20
Q
465
A
SMTPS
Outgoing Mail
21
Q
548
A
AFP
22
Q
636
A
LDAPS
23
Q
993
A
IMAPS
Incoming Mail
24
Q
995
A
POP3S
Incoming Mail
25
Q
3389
A
RDP
