Network+ Ports

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Last updated 11:38 PM on 8/23/26
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20 Terms

1
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FTP

File Transfer Protocol

TCP 20/21

2
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SSH

Secure Shell

TCP 22

3
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SFTP

Secure File Transfer Protocol

TCP 22

4
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Telnet

TCP 23

5
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SMTP

Simple Mail Transfer Protocol

TCP 25

6
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SMTPS

Simple Mail Transfer Protocol Secure

TCP 587

7
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DNS

Domain Name System

UDP 53

8
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DHCP

Dynamic Host Configuration Protocol

UDP 67/68

9
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TFTP

Trivial File Transfer Protocol

UDP 69

10
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HTTP

Hypertext Transfer Protocol

TCP 80

11
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HTTPS

Hypertext Transfer Protocol Secure

TCP 443

12
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NTP

Network Time Protocol

UDP 123

13
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SNMP

Simple Network Management Protocol

UDP 161 UDP 162 (trap)

14
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LDAP

Lightweight Directory Access Protocol

TCP 389

15
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LDAPS

Lightweight Directory Access Protocol Secure

TCP 636

16
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SMB

Server Message Block

TCP 445

17
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Syslog

UDP 514

18
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Microsoft SQL Server

TCP 1433

19
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RDP

Remote Desktop Protocol

TCP 3389

20
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SIP

Session Initiation Protocol

TCP 5060/5061