Common Ports Flashcards by Easton Gregory

Q

FTP (File Transfer Protocol)

A

tcp/20, and tcp/21

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Q

SSH (Secure Shell)

A

tcp/22

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Q

Telnet (Telecommunication Network)

A

tcp/23

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Q

SMTP (simple Mail Transfer Protocol)

A

tcp/25

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Q

DNS (Domain Name System)

A

udp/53, and tcp/53

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Q

HTTP (Hypertext Transfer Protocol)

A

tcp/80

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Q

HTTPS (Hypertext Transfer Protocol Secure)

A

tcp/443

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Q

POP3 (Post Office Protocol version 3)

A

tcp/110

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Q

IMAP4 (Internet message Access Protocol v4)

A

tcp/143

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Q

RDP (Remote Desktop Protocol)

A

tcp/3389

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Q

NetBios (Name/ Datagram/ Session)

A

tcp/137 138 139

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Q

SMB (Server Message Block)

A

tcp/445

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Q

AFP (Apple Filling Protocol)

A

tcp/548

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Q

SLP (Service Location Protocol)

A

tcp/427, udp/427

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Q

DHCP (Dynamic Host Configuration Protocol)

A

tcp/67, 68

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Q

LDAP (Lightweight Directory Access Protocol)

A

tcp/389

Q

SNMP ( Simple Network Management Protocol)

A

udp/161