A+ 1201 Ports Flashcards

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created 1 day ago by cgoss
updated 1 day ago by cgoss
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1

FTP (File Transfer Protocol)

TCP 20, TCP 21

2

SSH (Secure Shell)

Secure remote login

TCP 22

3

Telnet

Unencrypted text communications

TCP 23

4

SMTP (Simple Mail Transfer Protocol)

sending email

TCP 25

5

DNS (Domain Name System)

resolving names to IP addresses

TCP/UDP 53

6

DHCP (Dynamic Host Configuration Protocol)

assigning IP addresses

UDP 67/68

7

HTTP (HyperText Transfer Protocol)

web pages without encryption

TCP 80

8

POP3 (Post Office Protocol version 3)

recieving email

TCP 110

9

NetBIOS / NetBIOS Name Service

legacy Windows naming/sessions

UDP 137 and UDP 139

10

IMAP (Internet Message Access Protocol)

managing inbox mail

TCP 143

11

SNMP (Simple Network Management Protocol)

monitoring network devices

UDP 161

12

LDAP (Lightweight Directory Access Protocol)

accessing directory services

TCP 389

13

HTTPS (HyperText Transfer Protocol Secure)

secure web pages

TCP 443

14

SMB (Server Message Block)

Sharing files/printers in Windows

TCP 445

15

RDP (Remote Desktop Protocol)

connecting to a remote desktop

TCP 3389