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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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Setting the Session Thresholds for Zone-Level Traffic Statistics and Monitoring

Setting the Session Thresholds for Zone-Level Traffic Statistics and Monitoring

Context

The zone-level traffic statistics and monitoring take effect on the data flows between zones. That is, the Router counts the total number of TCP and UDP sessions between the local zone and other zones. When the number of connections between the local zone and all the other zones or the number of connections in a certain direction exceeds the threshold, the Router forbids new sessions until the number of sessions is smaller than the threshold.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run firewall zone zone-name

    The zone view is displayed.

  3. Run statistics zone enable { inzone | outzone }

    The zone-level traffic statistics and monitoring are enabled.

    By default, the zone-level traffic statistics and monitoring is disabled.

  4. (Optional) Run statistics connect-number zone { inzone | outzone } { icmp | tcp | udp } high high-threshold low low-threshold

    The session thresholds for the zone-level traffic statistics and monitoring are set.

    You can set the thresholds for ICMP, TCP, and UDP sessions in the inbound and outbound directions respectively. For example, you can set the upper and lower thresholds for TCP sessions in the inbound direction to 15000 and 13000, respectively. When the number of TCP sessions initiated by this zone exceeds 15000, the device denies new TCP sessions from this zone. Only when the number of TCP sessions initiated by this zone falls below 13000, the device permits new TCP sessions from this zone.

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Updated: 2019-05-20

Document ID: EDOC1100034077

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