Common Ports Flashcards
1
Q
20-21
A
FTP (File Transfer Protocol)
2
Q
22
A
SSH (Secure Shell)
3
Q
23
A
Telnet (older, not encrypted)
4
Q
25
A
SMTP Relaying (Simple Mail Transfer Protocol)
5
Q
53
A
DNS (Domain Name System)
6
Q
67-68
A
DHCP (Dynamic Host Configuration Protocol)
7
Q
80
A
HTTP
8
Q
110
A
POP3
9
Q
143
A
IMAP4
10
Q
389
A
LDAP (Lightweight Directory Access Protocol)
11
Q
443
A
HTTPS
12
Q
587
A
SMTP Submissions
13
Q
3389
A
RDP (Remote Desktop Protocol)
14
Q
137-139
A
NetBIOS
15
Q
445
A
MDS (Microsoft Directory Services)