Category Archives: Uncategorized

Cisco 9800-series WLC / c9115AX and option 43

Because of a typo that sent me down a rabbit hole, I am writing this post as a reminder to myself. First reminder: Option 60 is not needed for modern APs. It is only used to define VCI (Vendor Class Identifier) so we can return different option 43 results based on “who asks?” (E.g. a […]

Windows Update fails when Check Point HTTPS-inspection is enabled

In a freshly installed Windows Server 2016-environment, there was feedback that Windows Update failed when HTTPS-inspection was enabled. Even though “Bypass HTTPS inspection of traffic to well known software update services” was ticked off. The servers was stuck with this error message: Some update files aren’t signed correctly.Error code: (0x800b0109) In the tracker I could […]