Well Known Ports (ALL) - Desc to # Flashcards

1
Q

SMB - Server Message Block

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

A

TCP/445

Windows File Transfers and Printer Sharing

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2
Q

DHCP - Dynamic Host Control Protocol

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

A

UPD/67 and UDP/68

Automated the IP address configuration process

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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

IMAP - Internet Message Access Protocol

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

A

TCP/143

  • email client protocol - leaves copy of message on server
  • allows synchronization across devices
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5
Q

SSH - Secure Shell

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

A

TCP/22

Encrypted Console Access

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6
Q

RDP - Remote Desktop Protocol

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

A

TCP / 3389

Graphical Display of Remote Devices

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7
Q

NetBios - NBT

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

A

137 / 139

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

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8
Q

LDAP - Lightweight Directory Access Protocol

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

A

TCP / 389

Network Directory Services

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9
Q

POP3 - Post Office Protocol 3

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

A

TCP/110

Receive email into email client (delete from server)

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10
Q

HTTP - Hypertext Transfer Protocol

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

A

TCP/80

Web Server Communication

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11
Q

SNMP - Simple Network Management Protocol

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

A

UDP /161 SNMP Query
UDP/ 162 SNMP Trap

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

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12
Q

DNS - Domain Name System

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

A

UDP/53 and TCP/53

Convert Domain names to IP addresses

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13
Q

FTP - File Transfer Protocol

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

A

TCP/20 and TCP/21

Sends and Receives Files Between Systems

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14
Q

SMTP - Simple Mail Transfer Protocol

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

A

TCP/25

Transfer email between mail servers

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15
Q

Telnet

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

A

TCP/23

Insecure Console Access

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