2.1 Common Network Ports Flashcards by Austin Steinbach

Q

FTP

A

tcp/20, tcp21

File Transfer Protocol

Sends and receives files between system

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Q

SSH

A

tcp/22

Secure Shell

Encrypted console access

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Q

Sends and receives files between system

A

FTP

tcp/20, tcp21

File Transfer Protocol

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Q

Encrypted console access

A

SSH

tcp/22

Secure Shell

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Q

Telnet

A

tcp/23

Telecommunication Network

Insecure console access

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Q

SMTP

A

tcp/25

Simple Mail Transfer Protocol Transfer

Transfer email between mail servers

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Q

Insecure console access

A

Telnet

tcp/23

Telecommunication Network

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Q

Transfer email between mail servers

A

SMTP

tcp/25

Simple Mail Transfer Protocol

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Q

tcp/20, tcp21

A

File Transfer Protocol

Sends and receives files between system

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Q

DNS

A

udp/53, tcp/53
Domain Name System

Convert domain names to IP addresses

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Q

DHCP

A

udp/67, udp/68

Dynamic Host Configuration Protocol

Automate the IP address configuraCon process

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Q

Convert domain names to IP addresses

A

DNS

udp/53, tcp/53

Domain Name System

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Q

Automate the IP address configuraCon process

A

DHCP udp/67, udp/68

Dynamic Host Configuration Protocol

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Q

HTTP

A

tcp/80

Hypertext Transfer Protocol

Web server communicaCon

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Q

HTTPS

A

tcp/443

Hypertext Transfer Protocol Secure

Web server communicaCon with encrypCon

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Q

Web server communicaCon

A

HTTP

tcp/80

Hypertext Transfer Protocol

Q

Web server communicaCon with encrypCon

A

HTTPS

tcp/443

Hypertext Transfer Protocol Secure

Q

POP3

A

tcp/110

Post Office Protocol version 3

Receive email into a email client

Q

IMAP4

A

tcp/143

Internet Message Access Protocol v4

A newer email client protocol

Q

Receive email into a email client

A

POP3

tcp/110

Post Office Protocol version 3

Q

A newer email client protocol

A

IMAP4

tcp/143

Internet Message Access Protocol v4

Q

NetBIOS

A

udp/137

NetBIOS name service

Register, remove, and find Windows services by name

Q

NetBIOS

A

tcp/139

NetBIOS session service

Windows connecCon-oriented data transfer

Q

Register, remove, and find Windows services by name

A

NetBIOS

udp/137

NetBIOS name service

Q

Windows connecCon-oriented data transfer

A

NetBIOS

tcp/139

NetBIOS session service

Q

SMB

A

tcp/445

Server Message Block

Windows file transfers and printer sharing

Q

SNMP Query

A

udp/161

Simple Network Management Protocol

Gather metrics and manage network devices

Q

Windows file transfers and printer sharing

A

SMB

tcp/445

Server Message Block

Q

Gather metrics and manage network devices

A

SNMP Query

udp/161

Simple Network Management Protocol

Q

SNMP Trap

A

udp/162

Simple Network Management Protocol

Receive alerts from network devices

Q

LDAP

A

tcp/389

Lightweight Directory Access Protocol

Directory services

Q

Receive alerts from network devices

A

SNMP Trap

udp/162

Simple Network Management Protocol

Q

Directory services

A

LDAP

tcp/389

Lightweight Directory Access Protocol

Q

RDP

A

tcp/3389

Remote Desktop Protocol

Graphical display of remote devices

Q

Graphical display of remote devices

A

RDP

tcp/3389

Remote Desktop Protocol