• "Cannot Verify Server Identiy -- The identity of 'outlook.office365.com

    From Ant@21:1/5 to All on Thu May 25 08:26:23 2023
    XPost: microsoft.public.outlook.outlook, microsoft.public.outlook.usage

    https://i.redd.it/e022b22u6z1b1.gif for my client's screen shot from it.
    This happened on Tuesday (5/23/2023)'s early morning on Marriott hotel's
    guest wifi Internet AP. This doesn't make any sense to me. Since when
    did Office 365 server start becoming a WAP? No problems at home's wifi
    and cell Internet connections though! Did I miss something?

    Thank you for reading and hopefully answering. :)
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  • From VanguardLH@21:1/5 to Ant on Thu May 25 04:33:12 2023
    XPost: microsoft.public.outlook.outlook, microsoft.public.outlook.usage

    Ant <ant@zimage.comANT> wrote:

    https://i.redd.it/e022b22u6z1b1.gif for my client's screen shot from
    it. This happened on Tuesday (5/23/2023)'s early morning on Marriott
    hotel's guest wifi Internet AP. This doesn't make any sense to me.
    Since when did Office 365 server start becoming a WAP? No problems at
    home's wifi and cell Internet connections though! Did I miss
    something?

    Did the hotel force an interstitial screen when connecting to the Web
    that requires you to enter a code to verify you are permitted to use
    their wifi service? If so, did the customer enter a valid code? They intercept your web traffic to validate you have permission to use it.
    Perhaps it is included in the cost of the room, or the patron has to
    paid extra for wifi service, but their wifi service is not free, and
    they require you to authenticate.

    If the customer already entered the validation code, perhaps the hotel
    shut off the wifi service to that customer, like the customer pays for a
    quota of usage (bandwidth), it's only usable between check-in and
    check-out times, or the hotel decided to disable the service. Hotel
    staff do not make a robust ISP. They can screw up their Internet
    service, because they've added control on their end. The hotel is the
    ISP you use for Internet access. They're your WAP there.

    Not mentioned is if the customer could web surf elsewhere. Did they try connecting using a web browser to a site, like intel.com?

    No mention how long this problem persisted. Was it once? Was it for 4
    hours? A day? A week? Web sites get modified, like installing new
    site certificates, or to do maintenance, or update hardware, or what
    not. Same for the hotel's setup. Works at home. Fails at the hotel
    (for an undisclosed period of time). You have 2 routes to the endpoint,
    and 1 fails, so the conclusion is something happened at the hotel, not
    with the MS server.

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