Common Ports Flashcards by Leroy Reynolds

Q

FTP

File Transfer protocol

A

Port 20 & 21

TCP

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Q

SSH

Secure shell for secure data transmission

A

Port 22

TCP/UDP

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Q

TELNET

Telnet services

A

Port 23

TCP/UDP

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Q

LDAP

A

Port 389

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Q

SNMP

Simple network management protocol

A

Port 161 & 162

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Q

SMB

Server message block

A

Port 445 SMB TCP

Port 445 CIFS (Common Internet File system)

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Q

SMTP

Simple mail transfer

A

Port 25 TCP

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Q

DNS

Domain name system

A

Port 53 TCP/UDP

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Q

HTTP

Hypertext transfer protocol

A

Port 80 TCP

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Q

POP3

Post office protocol

A

Port 110 TCP

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