you're on the right track!
- navigate to Policy > RuleSet
- click a green Add button > Add Top Level RuleSet > Import RuleSet from Rule Set Library
- click Coaching/Quota > Welcome Page
- if you see any conflict on the right pane: on the right side click on "import conflicts" > Auto-solve confilicts > Solve by refering to existing objects > OK
- Now you have 3 choices when the welcome page need to be enabled: for some URL categories, for some client IPs, for some authenticated users - choose what suits you best. You can click on "unlock view" button and modify rule as you like - you should be familiar with the logic of the Web Gateway to do so.
Be aware that this rule should be activated for interactive connections only - if you enable it for updates, scripts and background downloads, they will likely fail because they cannot "click" on the "accept" button.
I suggest to try this rule in a lab environment first, test it with browser, authenticated and not authenticated users, with non-interactive processes, and only then enable it in production.
P.S. have you already done one of SkyHigh's trainings? This topic is handled during the training.
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