We are Paying for Umbrella SIG Advantage. https://documentation.meraki.com/MX/Site-to-site_VPN/MX_and_Umbrella_SIG_IPSec_Tunnel but it is not configured as mentioned because we need to keep static IP addresses. We were going to test this functionality, but never did get that far (AT&T will just stop replying to tickets and it's been 9 months of torture trying to get them to help get this all working). From what I read in that article, it seems like it indeed will change our Public IP which is something we can't do. (Technically it is partially configured, they created the tunnel but it is not established or up and running). That said, I do have Intelligent Proxy and SSL decryption enabled on all of our policies and all Secure Clients have Umbrella installed and enabled. As far as I understand, though, the firewall policies in Umbrella won't have any affect without the Tunnel up and running hence the all are registering 0 hits over the last 30 days). I was kind of hoping that in the interim I could use the built-in Meraki firewall rules to at least get some cover for an upcoming audit, but it only seems to be applying to the SD-Wan users and users connecting via Secure Client, the rest of the users on the LAN aren't affected by these settings as far as I can tell (tested by trying to get to an external http service I have running on an unconventional port out on DigitalOcean; I can reach it fine on the LAN despite there being no "allow" rule for this port but when connected via Secure Client and or on the SD-Wan network, I cannot access the site indeed).
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