Network+ Common Ports with Descriptions Flashcards
(18 cards)
1
Q
20
A
FTP (Data) (File Transfer Protocol – data)
2
Q
21
A
FTP (Control) (File Transfer Protocol – commands)
3
Q
22
A
SSH / SFTP (Secure Shell (encrypted Telnet) / Secure FTP)
4
Q
23
A
Telnet (Unsecure remote login)
5
Q
25
A
SMTP (Simple Mail Transfer Protocol)
6
Q
53
A
DNS (Domain Name System)
7
Q
67/68
A
DHCP (Dynamic Host Configuration Protocol)
8
Q
69
A
TFTP (Trivial File Transfer Protocol)
9
Q
80
A
HTTP (Hypertext Transfer Protocol)
10
Q
110
A
POP3 (Post Office Protocol v3)
11
Q
123
A
NTP (Network Time Protocol)
12
Q
137–139
A
NetBIOS (Windows name/service resolution)
13
Q
143
A
IMAP (Internet Message Access Protocol)
14
Q
161/162
A
SNMP (Simple Network Management Protocol)
15
Q
389
A
LDAP (Lightweight Directory Access Protocol)
16
Q
443
A
HTTPS (Secure HTTP)
17
Q
445
A
SMB (Server Message Block (Windows shares))
18
Q
3389
A
RDP (Remote Desktop Protocol)
