COMPTIA A+, Core 1, Common Ports

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Last updated 6:58 PM on 8/7/26
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21 Terms

1
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Port 20

FTP Data

2
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Port 21

FTP Control

3
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Port 22

SSH

4
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Port 23

Telnet

5
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Port 25

SMTP

6
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Port 53

DNS

7
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Port 67

DHCP

8
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Port 68

DHCP

9
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Port 80

HTTP

10
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Port 110

POP3

11
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Port 123

NTP

12
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Port 137-139

NetBIOS

13
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Port 143

IMAP4

14
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Port 161

SNMP

15
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Port 162

SNMP-Trap

16
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Port 389

LDAP

17
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Port 427

SLP

18
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Port 443

HTTPS

19
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Port 445

SMB

20
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Port 548

AFP

21
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Port 3389

RDP