Trace Log

September 14, 2021

Contributed by:

S C S

To record trace logs:

Enable tracing for the profile. You can use the show command to verify the configured setting.

set appfw profile <profile> -trace ON

Start collecting trace. You can continue to use all the options which are applicable for the nstrace command.

start nstrace -mode APPFW

Stop collecting the trace

stop nstrace

Location of the trace: The nstrace is stored in a time-stamped folder which is created in the /var/nstrace directory and can be viewed using wireshark. You can tail the /var/log/ns.log file to see the log messages providing details regarding the location of the new trace.

Advantages of trace logs:

Isolate traffic for specific profile
Collect data for specific requests
Identify resets or aborts
View decrypted SSL traffic: HTTPS traffic is captured in plain text to allow for easier troubleshooting.
Provides comprehensive view: Allows you to look at the entire request at the packet level, check the payload, view logs to check what security check violation is being triggered and identify the match pattern in the payload. If the payload consists of any unexpected data, junk strings, or non-printable characters (null character, \r or \n etc), they are easy to discover in the trace.
Expedite response time: Faster debugging on target traffic to do root cause analysis.

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Trace Log

September 14, 2021

Contributed by:

S C S

September 14, 2021

Contributed by:

S C S

Trace Log

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