Common Port Numbers Flashcards by London Edwards | Brainscape

Q

FTP

A

Tcp/20 tcp/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

Udp/53, tcp/53

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Q

HTTP

A

Tcp/80

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Q

HTTPS

A

Tcp/443

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Q

POP3

A

Tcp/110

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Q

IMAP4

A

Tcp/143

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Q

RDP

A

Tcp/3389

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Q

NetBIOS name service

A

udp/137

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Q

NetBIOS datagram service

A

Udp/138

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Q

NetBIOS Session service

A

Tcp/139

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Q

SMB

A

Tcp/445

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Q

AFP

A

Tcp/548

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Q

SLP

A

Tcp/427, udp/427

Q

DHCP

A

Udp/67, udp/68

Q

LDAP

A

Tcp/389

Q

SNMP

A

Udp/161