Skip to main content

About this free course

Become an OU student

Download this course

Share this free course

Network security
Network security

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

9 Access control

9.1 Introduction

In this section I shall discuss two major approaches used to restrict access to networks – passwords and firewalls.