Preface

Thanks for choosing the network security products from Hillstone Networks, Inc. This document is an online help for Hillstone intelligent next-generation firewall, mainly covering the following contents:

• Introduction to basic principles and main functions of StoneOS firmware of Hillstone intelligent next-generation firewall
• Web configurations of Hillstone intelligent next-generation firewall
• Configuration examples of key functions of Hillstone intelligent next-generation firewall

Conventions

This manual uses the following conventions for your convenience to read and understand:

• Tip: provides related reference, such as links to other chapters or sections.
• Note: indicates important instructions for you better understanding, or cautions for possible system failure.
• Bold font: indicates links, tags, buttons, checkboxes, textboxes, or options. For example, "Click Login to log into the homepage of the Hillstone device", or "To change MTU, select Manual, and type an appropriate value into the textbox."
• CLI: brace ({ }) indicates a required element; square bracket ([ ]) indicates an optional element; vertical bar (|) separates multiple mutually exclusive options; bold indicates an essential keyword in the command, and you must enter this part correctly; italic indicates a user-specified parameter.
• The command examples may vary from different platforms. In the command examples, the hostname in the prompt is referred to as host-name.