Exchange 2019 - MICROSOFT-CORP-MSN-AS-BLOCK

Khaled Al bustanji 1 Reputation point
2021-04-24T05:35:59.377+00:00

We facing strange behaviour that we received the below URI Stem (/ews/First.Surname..Domain.com/exchange.asmx/WSSecurity) with HTTP status 200 (The request has succeeded) and the source is from IP 52.96.18.205 (MICROSOFT-CORP-MSN-AS-BLOCK)

The Current Installed Version is Exchange Server 2019 CU8 with Security Patch KB5001779

I found the below URL
https://learn.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges

Please advise about this behaviour

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Andy David - MVP 110.7K Reputation points MVP
    2021-04-25T11:24:56.967+00:00
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