Advanced level · Module 3: Network Security and Remote Access · Lesson 4 of 4
Securing Network Management
Protect the devices that run the network.
In this lesson you will
- Harden management access
- Back up and protect configurations
Key concepts
management VLANSSH and HTTPSAAAconfiguration backups
The lesson
Manage devices only from a management network, using SSH and HTTPS, never Telnet or HTTP.
Use individual admin accounts, ideally through central authentication (AAA), and log all changes.
Back up configurations automatically and store them securely, as they contain sensitive details.
Step by step
- Create a management VLAN.
- Disable insecure protocols.
- Configure individual admin accounts.
- Back up configurations.
Practice activity
Secure management of the lab devices.
Expected result: Management restricted, encrypted, logged and backed up.
Check your understanding
-
Which protocols should be used for device management?
Show answer
SSH and HTTPS.
-
Why use individual admin accounts?
Show answer
To know who made each change.
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