5.10 Given a scenario, configure and apply the appropriate ports and protocols - Paiet/Tech-Journal-for-Everything GitHub Wiki

5.10 Given a scenario, configure and apply the appropriate ports and protocols

• 20,21 FTP
  • Scenario: When needing to transfer a large file across the network, a file that is larger than what your email server will allow you to attach
• 161 SNMP
  • Scenario: When we need to have devices polled for specific information. That information can be collected so that reports can be generated for review.
• 22 SSH
  • Scenario:
    • If needing to establish a secure terminal connection with a router or switch on the network.
    • When needing to transfer files securely, SSH is the security protocol that supports SFTP.
• 23 Telnet:
  • Scenario: Basic terminal emulation but not secured.
    • Not to be used in production networks unless there is no other choice. Use SSH rather than Telnet.
• 53 DNS:
  • Scenario: Active Directory Networks, When needing to connect to resources by name instead of IP addresses.
• 67,68 DHCP
  • Scenario: When statically providing the necessary IP information becomes difficult because of the number of devices needing the same information.
• 69 TFTP
  • Scenario: Only good for transferring files between network devices, basic functionality no search features no tcp connections.
• 445 SMB
  • Scenario: When accessing shared resource like a fileserver or a printer on a Microsoft Network
• 3389 RDP
  • Scenario: When I need to connect to a remote computer to run an application, RDP provides a GUI.
  • When needing to connect remotely to another computer.