Common Port Numbers Flashcards by J C | Brainscape

Q

FTP

A

TCP, 20 & 21

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Q

SSH

A

TCP, 22

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Q

Telnet

A

TCP, 23

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Q

SMTP

A

TCP, 25

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Q

DNS

A

TCP/UDP, 53

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Q

DHCP

A

UDP, 67 & 68

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Q

TFTP

A

UDP, 69

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Q

HTTP

A

TCP, 80

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Q

POP3

A

TCP, 110

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Q

NetBIOS/NetBT

A

TCP, 137 & 139

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Q

IMAP4

A

TCP, 143

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Q

SNMP

A

UDP, 161 & 162

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Q

LDAP

A

TCP, 389

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Q

HTTPS

A

TCP, 443

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Q

SMB/CIFS

A

TCP, 445

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Q

RDP

A

TCP, 3389