Prerequisite:
- VPN with minimum PCS/PPS/ICS
- Minimum OS 9.1R12 or higher.
- Postman Client (any REST API client)
Periodic Scan - It performs the Integrity check in the file system every 1 hour, 2 hours, 6 hours, 12 hours, 24 hours
This can be manually located through Admin GUI > System > Configuration > Security > Miscellaneous Following instructions used to modify the Periodic Scan Interval
Step 1: Enable REST API access on the admin user.
Under Admin GUI > Auth Servers > Administrators > Users > Update Administrator admin > Enable 'Allow access to REST APIs'
Step 2: Setup CURL, Postman or any rest API client to use for desired OS machine. (I have used postman on Windows in this case)
Step 3: Generate Auth Key
Step 4: Use the following syntax:
PUT URL
https://<IP ADDRESS or FQDN>/api/v1/configuration/system/configuration/security/ict-scan-interval/
Request Body:
{
"ict-scan-interval-time": "3600"
}
Note:
a. 3600 is seconds value and this has to be in 1, 2,6 12 and 24 hours.
b. Replace your appliance IP ADDRESS or FQDN in the above syntax to actual value.
Response Body:
{
result": {
"info": [
{
"message": "Operation succeeded without warning or error!"
}
"info":]
}
}

Verification can also be done through VPN appliance Admin Access logs: