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CLI-based Configuration Guide - Security

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of Firewalls

Overview of Firewalls

Definition

A firewall separates an internal network from external networks to protect the internal network from unauthorized access.

Purpose

A firewall provides the following functions:

  • Prevents hazards on external networks from spreading to internal networks.
  • Protects devices and key resources on internal networks.
  • Controls internal users' access to external networks.
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Updated: 2019-08-07

Document ID: EDOC1100034077

Views: 136157

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