[NGAF] NGAF devices abnormal cause security features fail from time to time or even device hang

KY Lv3Posted 29 Dec 2021 16:47

Last edited by KY 29 Dec 2021 16:48.

Warning Name:  NGAF devices abnormal cause security features fail from time to time or even device hang
Product: Sangfor NGAF
Version: v8.0.17 and above
Warning Level: 1


Trigger Condition:
  • Configure the IPS policy, or configure the antivirus policy.
  • There is a smb trafficin the environment, and the smb error type exists in the flow as figure shown below: 8053761cc20350258e.png


Root Cause:
These smb traffic can cause memory leaks and cause device hang.

How to check if the problem exists in a device:
  • Configure the IPS policy, or configure the antivirus policy.
  • Smb traffic exists in the network.
  • Check the black box, mem file show memory has been reducing, dmesg or messages file exists oom logs, and exist failmsg logs.

Solution:
Please check with the local technical representative to assist on the patching.

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