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This is the regular operation mode of the Ethical wall and it goes as followsfollow:
SIP traffic from Skype for Bussiness Front-End and\or Edge servers(depending on the configuration) is being inspected if a cached policy is already applied to it. If there is no corresponding cache it is being redirected to the Maintenance service on the Admin Portal.
The Maintenance Service calculates and caches the rules for future calculations and returns the policy back to the SIP Filter.
SIP filter cache the policy locally and enforce the calculated policy.
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