Request blocked The web application firewall has blocked access to /owa_blwdawpfyy_form for the following reason: No signature found

Request blocked The web application firewall has blocked access to /owa_blwdawpfyy_form for the following reason: No signature foundhttps://community.sophos.com/utm-firewall/f/german-forum/93822/request-blocked-the-web-application-firewall-has-blocked-access-to-owa_blwdawpfyy_form-for-the-following-reason-no-signature-foundHallo, ich habe ein Problem wenn ich die Mobile Microsoft Exchange 2016 Seite aufrufen möchte. Ich bekomme kurz die Ladeanimation der Application dargestellt und dann kommt das. Aktuelle Firmware version 9.501-5 Kann mir jemand helfen? Ichen-USTelligent Community 12RE: Request blocked The web application firewall has blocked access to /owa_blwdawpfyy_form for the following reason: No signature foundhttps://community.sophos.com/thread/341639?ContentTypeID=1Mon, 24 Jul 2017 14:20:45 GMT4be5eb7d-caa4-4ff5-8e60-8f9463545a35:ea276fb0-0503-4f5d-aa10-4065fb7d5b7cBAlfson<p>Hallo René,</p> <p>(Sorry, my German-speaking brain isn't creating thoughts at the moment. [:(])</p> <p>You will need some Exceptions.  Have you already worked through <a href="https://sophserv.sophos.com/repo_kb/120454/file/Exchange%20WAF%20Guide%20-%20UTM%209.3%20-%20Nov%202015.pdf">Exchange WAF Guide</a>?</p> <p>MfG - Bob (Bitte auf Deutsch weiterhin.)</p><div style="clear:both;"></div>