Common Port Numbers Flashcards by Jim Haney | Brainscape

Q

80

A

HTTP

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Q

443

A

HTTPS

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Q

21

A

FTP

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Q

22

A

SSH

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Q

25

A

SMTP (Simple Mail Transfer Protocol)

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Q

110

A

POP3 (Post Office Protocol v3)

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Q

143

A

IMAP (Internet Message Access Protocol)

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Q

3389

A

RDP (Remote Desktop Protocol)

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Q

53

A

DNS (Domain Name System)

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Q

445

A

SMB/CIFS (Sever Message Block/Common Internet File System)

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Q

What port number is HTTP?

A

80

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Q

What port number is HTTPS?

A

443

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Q

What port number is FTP?

A

21

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Q

What port number is SSH?

A

22

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Q

What port number is SMTP?

A

25

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Q

What port number is POP3?

A

110

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Q

What port number is IMAP?

A

143

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Q

What port number is RDP?

A

3389

Q

What port number is DNS?

A

53

Q

What port number is SMB/CIFS?

A

445

Q

What does SMTP stand for?

A

Simple Mail Transfer Protocol

Q

What does IMAP stand for?

A

Internet Message Access Protocol

Q

What does RDP stand for?

A

Remote Desktop Protocol

Q

What does SMB stand for?

A

Server Message Block

Q

What does CIFS stand for?

A

Common Internet File System

Q

23

A

Telnet

Q

389

A

LDAP (Lightweight Directory Access Protocol)

Q

636

A

LDAPS (Lightweight Directory Access Protocol Secure)

Q

1720

A

H.323 (used for multimedia communications)

Q

465

A

SMTPS (Simple Mail Transfer Protocol Secure)

Q

993

A

IMPAS (Internet Message Access Protocol Secure)

Q

995

A

POP3S (Post Office Protocol 3 Secure)

Q

2049

A

NFS (Network File System. used for Linux/Unix environments)

Q

What port number is Telnet?

A

23

Q

What port number is LDAP?

A

389

Q

What port number is LDAPS?

A

636

Q

What port number is H.232?

A

1720

Q

What port number is SMTPS?

A

463

Q

What port number is IMPAS?

A

993

Q

What port number is POP3S

A

995

Q

What port number is NFS?

A

2049

Q

8080

A

HTTP (alternative HTTP port)

Q

What is the alternative HTTP port?

A

8080