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AR500, AR510, AR531, AR550, AR1500, and AR2500 Security Hardening And Maintenance Guide

This document provides guidance for strengthening network and device security in terms of network security risks, security architecture, and security hardening policies. It also provides guidance for routine maintenance of device security in terms of the management, control, and forwarding planes.
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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).
Introduction to Information Security

Introduction to Information Security

Information security is to prevent hardware, software, and system data on information networks from being damaged, modified, or disclosed accidentally or maliciously, and to ensure continuous, reliable, and normal system running as well as uninterrupted information services.

In a word, information security comprises confidentiality, integrity, and availability.

For the device, information security is to ensure that:

  • Information that a device stores, processes, and transmits is not disclosed to unauthorized entities.
  • Information is not tampered with or discarded during processing and transmission.
  • Services are always available and meet carrier-class quality of service (QoS) requirements.

Confidentiality

Confidentiality means that network information is not disclosed to unauthorized users, entities, or processes. That is, the use of information is restricted to authorized users. Besides reliability and availability, confidentiality is an important means for ensuring network information security.

For the device, confidentiality means:

  • Unauthorized access to configuration data is forbidden.
  • Data is not obtained by malicious users.
  • The system is accessible only to authorized users.

Integration

Integrity means that information cannot be modified without prior authorization. That is, network information is free from corruption or loss caused by accidental or malicious deletion, modification, falsification, disorder, relocation, or insertion when it is being stored or transmitted by the device.

Availability

Availability means that the given functions of a product can be executed under the specified conditions and at the specified time or time period when the required external resources are ensured. Availability comprehensively reflects the reliability, maintainability, and warranty of a product.

In the information security field, especially the network security field, device availability means that service systems will not be overloaded, break down, or malfunction due to external attack traffic to avoid unavailable services.

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Updated: 2019-05-06

Document ID: EDOC1000097300

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