Well Known Ports (ALL) - # to Desc Flashcards

1
Q

TCP / 389

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

LDAP - Lightweight Directory Access Protocol

Network Directory Services

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2
Q

3389

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

RDP-Remote Desktop Protocol

Graphical Display of Remote Devices

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3
Q

HTTPS - Hypertext Transfer Protocol Secure

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

TCP/443

Web Server Communication with Encryption

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4
Q

UDP/53 and TCP/53

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

DNS - Domain Name System

Automated the IP address configuration process

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5
Q

TCP/25

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

SMTP - Simple Mail Transfer Protocol

Transfer email between mail servers

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6
Q

TCP/143

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

IMAP - Internet Message Access Protocol

  • email client protocol - leaves copy of message on server
  • allows synchronization across devices
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7
Q

TCP/23

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

Telnet

Insecure Console Access

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8
Q

UPD/67 and UDP/68

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

DHCP - Dynamic Host Control Protocol

Convert Domain names to IP addresses

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9
Q

UDP /161
UDP/ 162

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

SNMP - Simple Network Management Protocol

161 - Gather metrics and manage network devices
162 - Receive alerts from network devices

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10
Q

TCP/445

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

SMB - Server Message Block

Windows File Transfers and Printer Sharing

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11
Q

TCP/80

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

HTTP - Hypertext Transfer Protocol

Web Server Communication

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12
Q

TCP/110

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

POP3 - Post Office Protocol 3

Receive email into email client (delete from server)

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13
Q

TCP/20 and TCP/21

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

FTP - File Transfer Protocol

Sends and Receives Files Between Systems

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14
Q

TCP/22

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

SSH - Secure Shell

Encrypted Console Access

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15
Q

137 / 139

https://www.youtube.com/watch?v=4QHc9ZRB-SY

A

NetBios - NBT

udp/137 - register, remove, and find Windows servers by name
tcp/139 - Windows connection-oriented data transfer

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