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CLI-based Configuration Guide - Security

AR500, AR510, and AR530 V200R007

This document describes the configurations of Security, including AAA, DAA,NAC, BRAS Access, ACL, Firewall, Deep Security Defense, Local Attack Defense;Attack Defense, Traffic Suppression, ARP Security, Port Security, DHCP Snooping, IPSG, URPF, PKI, SSL, HTTPS, Keychain, separating the management plane from the service plane, security risks.
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Using an ACL to Restrict Mutual Access Between Network Segments

Using an ACL to Restrict Mutual Access Between Network Segments

Unrestricted mutual access between different network segments brings security risks. To restrict users' access to network segments on which they do not reside, you can apply an ACL to a traffic policy or simplified traffic policy.

In Figure 4-6, the financial department and the marketing department reside on separate network segments. Information leak may occur if the two departments have unrestricted access to each other. Therefore, to restrict mutual access between the two departments, an ACL-based traffic policy or simplified traffic policy is applied in the inbound direction of the interfaces (Interface 1 and Interface 2).

Figure 4-6  Using an ACL to restrict mutual access between network segments

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Updated: 2019-05-25

Document ID: EDOC1000097287

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