SonicWall SSO - Excluding Service User Accounts

Dell SonicWall Single Sign On (SSO) agent often pulls service user accounts (Sophos Antivirus, Nvidia Updater, etc.) instead of actual logged in users. I noticed that this is especially prominent when DC Security Logs option is used.

In this example SonicWall SSO agent is pulling sophos.update account instead of actual logged-in domain users.

XCloner backup log emails rejected. Sender:

XCloner Joomla and WordPress backup notification emails are not beng delivered. Postfix Mail logs (/var/log/maillog) shows that email was bounced by Google because of sender's domain

Feb 20 21:41:50 localhost postfix/smtp[48976]: DCE8DE03ED13: to=<This email address is being protected from spambots. You need JavaScript enabled to view it.>,[]:25, delay=0.51, delays=0.03/0.01/0.2/0.28, dsn=5.7.1, status=bounced (host[] said: 550-5.7.1 Unauthenticated email from is not accepted due to domain's 550-5.7.1 DMARC policy. Please contact the administrator of domain 550-5.7.1 if this was a legitimate mail. Please visit 550-5.7.1 to learn about the 550 5.7.1 DMARC initiative. x18si5696633wrx.115 - gsmtp (in reply to end of DATA command))

apache_request_headers() - Call to undefined function apache_request_headers()


After moving PHP application to 1&1 CentOS 7 VPS server PHP function apache_request_headers() stopped working.

With PHP display_errors set to On, following error is displayed: Call to undefined function apache_request_headers()

With display_errors set to Off, it simply throws: 500 Internal Server Error


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