os-OPNWAF / Exchange 2019 authentication Popups

[SBN-EP]

I changed it on a Customer firewall and tested it, and so far there has been no further request for the password.

This answer from humnab is working for me at the moment.

Opnsense:

/usr/local/etc/apache24/httpd.conf (enable prefork)

Code Select
#LoadModule mpm_event_module libexec/apache24/mod_mpm_event.so
LoadModule mpm_prefork_module libexec/apache24/mod_mpm_prefork.so

[Monviech (Cedrik)]

Hello,

since two different users have the same issue resolved via prefork I don't mind to add it as selection and hint it in the documentation.

If it makes things a bit better, it's good enough.

[Daniel_M]

Hi,
Thanks all of you for your support, especially thanks to Monviech.
I am currently at the last steps in migrating from Sophos UTM to OPNsense. We have an environment of about 500 people and I am struggling with this authentication issue as well (NTLM / password prompts).
The workarounds in the last few comments did not do anything for me unfortunately.

What is the current status of this issue? Are there any hints why the predefined Exchange profile doesn't work out-of-the-box with OPNWAF, and is there a way to apply manual fixes while using this profile?
Any further tips on how to troubleshoot this issue?

Thank you very much