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HUAWEI Firewall Comprehensive Configuration Examples

This document describes the application scenarios and configuration methods in typical projects of the firewall.
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Solution Overview

Solution Overview

Introduction to Cloud Computing Networks

The rapid development of cloud computing makes it easy for enterprises to access a cloud computing network to obtain server, storage, and application resources. This reduces the CapEx on the IT infrastructure and speeds up the development of information services.

As shown in Figure 4-1, an "industrial cloud" provides enterprise users with cloud computing services. Services on the network are as follows:

  • Enterprise users access virtual machines to obtain custom resources.
  • Enterprise users access the Portal system to apply for accounts and manage virtual machine spaces.
  • The management component in the cloud computing network manages the virtual machines, Portal system, and network devices.
Figure 4-1  Cloud computing network

Application of Firewalls in the Security Solution for Cloud Computing Networks

As shown in Figure 4-2, a firewall is attached to a core switch of the cloud computing network. The addresses of the Portal system and virtual machines are advertised for access of enterprise users. Virtual machine service accessed by enterprise users are isolated.

Figure 4-2  Application of firewalls in a cloud computing network

The following firewall functions are used on the cloud computing network:

  • Hot standby

    Two firewalls are deployed in hot standby mode to improve service availability.

  • NAT server

    The public addresses of the Portal system and virtual machines are advertised through the NAT server for access of enterprise users on the Internet.

  • Virtual system

    A virtual system is built on each virtual machine to isolate virtual machine services accessed by enterprise users. Security policies are also configured for the virtual system for access control.

Updated: 2019-01-26

Document ID: EDOC1100062972

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