File wku.conf of Package apache2-debugging-modules
<IfModule mod_backtrace.c>
EnableExceptionHook On
# mod_backtrace provide %B, see the documentation
ErrorLogFormat "[%t] [%l] [pid\ %P] [client\ %a] %M backtrace: [%{//}B]"
<Location /backtrace>
SetHandler backtrace-handler
Require local
</Location>
</IfModule>
<IfModule mod_crash.c>
# mod_crash provides test crash of one of the child, just visit http://localhost/crash
<Location /crash>
SetHandler crash-handler
Require local
</Location>
</IfModule>
<IfModule mod_whatkilledus.c>
EnableExceptionHook On
WKUObscureInRequest hdr:Authorization hdr:Cookie hdr:Proxy-Authorization user password query unparsed-line
# * httpd service is using PrivateTmp, so when you write to /var/tmp/wku_log, then
# do not start apache with systemctl or find the file under private tmp
# * this file must be writeable by user:group under which apache servers running on
# (wwwrun:www for SUSE at time of writing)
WKULogfile /var/tmp/wku_log
</IfModule>