★ ★Traffic logs and NAT logs cannot be seen on F1000 series firewalls

2023-03-23 23:52:14 Published
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Network Topology

Device Model: SecPath F1000-AI-25

Software version: 7.1.064, Release 8860P18

Problem Description

Check the web page: Monitor>Device Logs/Security Logs.

There are no traffic logs and nat logs.

Process Analysis

Check the configuration:

1.       Log storage space has been allocated.



2.       Session statistics collection is enabled.


3.       View the command line configuration as follows:

#

inspect activate

session statistics enable

session top-statistics enable

application statistics enable

inspect activate

webui log enable               //This configuration device does not support

application global statistics enable //This configuration device does not support it. After all other configurations have been configured, the traffic log cannot be seen

#

dac log-collect service dpi traffic enable

dac log-collect service nat flow_log enable

#

4.       The CPU and memory utilization of the device are normal

 ===============display cpu=============== 

Slot 1 CPU 0 CPU usage:

       1% in last 5 seconds

       1% in last 1 minute

       1% in last 5 minute

  ===============display memory=============== 

Memory statistics are measured in KB:

Slot 1:

             Total      Used      Free    Shared   Buffers    Cached   FreeRatio

Mem:       3898624   2373808   1524816         0     13320    553432       42.7%

-/+ Buffers/Cache:   1807056   2091568

Swap:           0         0         0

Solution

After waiting for a period of time, the customer can see the traffic log, but still cannot see the NAT log. To display Nat logs on the web, it need to enable userlog flow syslog and convert them to system logs and send them to the information center. In addition, the new version needs to enable dac log-collect service nat flow_log enable to turn on the nat log switch.

However, if the amount of on-site nat logs is too large, it is recommended to send them to the log host (so that the web will no longer display nat logs). Refer to the following technical announcement:

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

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