MindeMeld or EDL (external dynamic list) in general can whitelist Office 365 but only per destination. Is there a way do build dynamic access lists based on source IPs ?
I'm not the firewall admin, but my understanding is that once you build a list with MineMeld and bring it into the firewall, you can then apply that list in a policy rule however you want to. I know we have a list that we block in both directions - where the list matches source or destination - and another list that we actually use to add exceptions to the a rule. What I mean by exceptions is there is a 'allow' firewall rule that has the list as the destination with certain port criteria, then a 'block' rule immediately below it that with the same port criteria, destination of 'any' and set to block.
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