O'Reilly logo

Webmin Administrator's Cookbook by Michał Karzyński

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 3. Securing Your System

In this chapter, we will cover the following topics:

  • Setting up a Linux firewall
  • Allowing access to a service through the firewall
  • Verifying your firewall by port scanning
  • Turning off unnecessary services
  • Verifying the strength of passwords
  • Disabling root login over SSH
  • Restricting Webmin access to a specific IP
  • Connecting to Webmin securely over an SSH tunnel
  • Closing inactive Webmin sessions automatically

Introduction

Some people say that the only secure machine is one that is switched off. This may be true, but that machine is not very useful. If you want to make your server more functional, you'll have to turn it on and most likely expose it to the curious eyes of the Internet.

Online computer security is a topic large enough ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required