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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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Existence of Many Insecure Access Channels

Existence of Many Insecure Access Channels

As industry standards ever change, devices may be designed with access channels using protocols (such as SNMPv1/v2 and Telnet) only for purposes of convenient management and inheritance. These access channels lack security, but are not replaced with SNMPv3- or SSH-based access channels. Here, SNMP is short for Simple Network Management Protocol, and SSH is short for Secure Shell. As a result, inappropriate use of these insecure access channels may lead to information disclosure or unauthorized access.

In addition, these insecure protocols do not perform any integrity check, and attackers can tamper with protocol messages on intermediate nodes to mount attacks.

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Updated: 2019-05-06

Document ID: EDOC1000097300

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