Port Numbers Flashcards
0
Q
TCP 22
A
SSH, SCP (secure copy), SFTP
1
Q
TCP 20 & 21
A
FTP
2
Q
TCP 23
A
Telnet
3
Q
Port 25
A
SMTP
4
Q
Port 53
A
DNS
4
Q
Port 49
A
TACACS+
5
Q
Port 67 & 68
A
DHCP
5
Q
UDP 69
A
TFTP
6
Q
Port 80
A
HTTP
7
Q
Port 88
A
Kerberos
9
Q
Port 119
A
NNTP
10
Q
Port 110
A
POP3
11
Q
Port 123
A
NTP
12
Q
Port 143
A
IMAPv4
13
Q
Port 161 & 162
A
SNMP
14
Q
Port 389
A
LDAP
15
Q
Port 443
A
HTTPS
16
Q
Port 465
A
SMTPS
17
Q
Port 500
A
IKE & ISAKMP
18
Q
Port 563
A
NNTPS
19
Q
Port 636
A
LDAPS
20
Q
Port 992
A
Secured Telnet
21
Q
Port 993
A
IMAPS (IMAP secured)
22
Q
Port 995
A
POP3S (POP3 secured)
23
Q
Port 1293
A
IPSec
24
Q
Port 1701
A
L2TP
25
Q
Port 1723
A
PPTP (Point to point tunneling protocol)
26
Q
Port 1812 & 1813
A
RADIUS
28
Q
Port 3389
A
RDP
29
Q
Port 8080
A
HTTP alternate
30
Q
TCP 139
A
NetBIOS
31
Q
UDP 137 & 138
A
NetBIOS
