Common Ports Flashcards

1
Q

22

A

SSH

Secure Shell

Remote admin access to communication devices

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2
Q

443

A

HTTPS

Hyper Text Transfer Protocol

Secure protocol for web browsing

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3
Q

143

A

IMAP

Internet Message Access Protocol

Used to receive copy of email; original kept on server

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4
Q

FTP

File Transfer Protocol

Establish connection through FTP

A

21

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5
Q

SNMP

Simple Network Management Protocol

Exchange metrics to and from networked devices

A

161

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6
Q

53

A

DNS

Domain Name System

Assign ip address to a domain

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7
Q

IMAP

Internet Message Access Protocol

Used to receive copy of email; original kept on server

A

143

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8
Q

194

A

IRC

Internet Relay Chat

Protocol to send/receive instant messages

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9
Q

25

A

SMTP

Simple Mail Transfer Protocol

Used to send copy of email

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10
Q

FTP

File Transfer Protocol

Transfer data through FTP

A

20

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11
Q

HTTPS

Hyper Text Transfer Protocol

Secure protocol for web browsing

A

443

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12
Q

HTTP

Hypertext Transfer Protocol

Standard protocol for web browsing

A

80

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13
Q

NNTP

Network News Transfer Protocol

Push/pull news articles from other NNTP servers

A

119

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14
Q

DNS

Domain Name System

Assign ip address to a domain

A

53

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15
Q

Telnet

Telnet

Remote standard access to communication devices

A

23

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16
Q

NTP

Network Time Protocol

Allows accurate clock setting

A

123

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17
Q

POP3

Post Office Protocol

Used to take emails from server; not copy

A

110

18
Q

20

A

FTP

File Transfer Protocol

Transfer data through FTP

19
Q

123

A

NTP

Network Time Protocol

Allows accurate clock setting

20
Q

110

A

POP3

Post Office Protocol

Used to take emails from server; not copy

21
Q

IRC

Internet Relay Chat

Protocol to send/receive instant messages

A

194

22
Q

SSH

Secure Shell

Remote admin access to communication devices

A

22

23
Q

23

A

Telnet

Telnet

Remote standard access to communication devices

24
Q

119

A

NNTP

Network News Transfer Protocol

Push/pull news articles from other NNTP servers

25
Q

21

A

FTP

File Transfer Protocol

Establish connection through FTP

26
Q

161

A

SNMP

Simple Network Management Protocol

Exchange metrics to and from networked devices

27
Q

SMTP

Simple Mail Transfer Protocol

Used to send copy of email

A

25

28
Q

80

A

HTTP

Hypertext Transfer Protocol

Standard protocol for web browsing

29
Q

69

A

TFTP

Trivial File Transfer Protocol

Less secure than FTP; used for maintaining and updating systems

30
Q

TFTP

Trivial File Transfer Protocol

Less secure than FTP; used for maintaining and updating systems

A

69

31
Q

NetBIOS/NetBT

NetBIOS/NetBT

Application layer network protocol for device communication in Windows operating systems over a network

A

137-139

32
Q

3389

A

RDP

Remote Desktop Protocol

Used to remotely connect to and control a device

33
Q

RDP

Remote Desktop Protocol

Used to remotely connect to and control a device

A

3389

34
Q

137-139

A

NetBIOS/NetBT

NetBIOS/NetBT

Application layer network protocol for device communication in Windows operating systems over a network

35
Q

445

A

SMB

Server Message Block

Allows applications on a computer to read and write to files and to request services from server programs in a computer network

36
Q

427

A

SLP

Service Location Protocol

SLP-aware services are able to locate each other and exchange information

37
Q

548

A

AFP

Apple Filing Protocol

Apple proprietary protocol; listens for packets

38
Q

SMB

Server Message Block

Allows applications on a computer to read and write to files and to request services from server programs in a computer network

A

445

39
Q

SLP

Service Location Protocol

SLP-aware services are able to locate each other and exchange information

A

427

40
Q

AFP

Apple Filing Protocol

Apple proprietary protocol; listens for packets

A

548