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Technical Announcement on the security part of the product a large number of logs sent to the information center may lead to abnormal operation of device problems

2022-04-02 16:34:21 Published
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Product Model

F100 series, F1000 series, F5000 series, SecBlade FW series low-end and mid-range firewalls.

T1000 series, T5000 series, SecBlade IPS series Intrusion Prevention.

L100 series, L1000 series, L5000 series, SecBlade ADE series load balancing.

Involved Version

All Comware V7 versions.

Problem Description

When a large number of security module logs (security policy logs, flow logs, threat logs, etc.) are uploaded to the device information center, it may lead to abnormal device operation and failures such as unable to log in, forwarding abnormalities, device hang, and device reboot.

Cause Analysis

When the log volume is high, it may lead to busy control cores and abnormal internal process communication, while the forwarding performance is degraded.

Workaround/Solutions

1When the logging function of each security module is turned on, the corresponding module log must be sent to the logging host synchronously configured with the fast log (customlog).

2Configuration of Flow log output to the information center is strictly prohibited.

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