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OWA Reverse Auth problems

Idriel
What do I need to configure on IIS, so the Reverse Authentication on OWA start working. 
I have follow this guide:
https://sophserv.sophos.com/repo_kb/120454/file/Exchange%20WAF%20How%20to%209%202%20new.pdf

I have tried with LDAP (sAMAccountName), Active Directory,...
I simply cannot to login to OWA. 

On OWA IIS directories I enable Basic Authentication (now, we have enabled Basic and Windows Authentication). On basic authentication I also configure Default domain. 
I pass sophos Authentication, but then OWA returns Authentication PopUp. What to do?


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  • 0 in reply to Idriel
    I found bug in Sophos. 
    If I put "prefix" domain.local then base64 forwarded string is
    domain.localusername[:P]assword
    between domain.local and username "\" missing, so I configure "prefix" like 
    domain.local\
    and now authentication works. 

    UTM version. 9.309-3
  • 0 in reply to Idriel
    Hi
    I having the same issue when try to open the owa get the loging prompt back
    Do you mean we should add domain.local\ to the property of the owa virtual directory?

    Thanks
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