Discovering computer networks: hands on in the Open Networking Lab
Discovering computer networks: hands on in the Open Networking Lab

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Discovering computer networks: hands on in the Open Networking Lab

Session 15: Security

In this session you will learn how to make a router secure. Routers, because they are networked devices, can easily be configured remotely. However, this makes them vulnerable to cyber-attack unless they are properly secured.

Because all network traffic passes through a router, an attack on the router could allow traffic to be read or to be blocked, denying service to many users. They are therefore tempting targets for a malicious hacker. As a network engineer, you should understand the need for cybersecurity, and know the commands required to configure a router so that it is secure against threats.

This session concentrates on routers but other enterprise network equipment, such as advanced switches, can be accessed remotely and so the same security considerations also apply to them.

By the end of this session, you will be able to:

  • configure passwords for authorised users
  • configure secure remote access to a router.
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