Whitelist Module

If one of your third party WHMCS addon modules is not loading in the WHMCS admin interface or not functioning properly with WHMCS Firewall, you can solve this problem temporarily by selecting the problem module as a “Whitelisted Module”. By default WHMCS Firewall tracks all the modules you have installed so it can audit when […]

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Common Troubleshooting Tips

Module not listed when you go to activate in WHMCS – you have not uploaded the module to the correct folder in WHMCS. (Should be /modules/addons/app_name) After entering a license key during activation you get a cron connect error – Your web server firewall is blocking SSL port 443. I am getting too many alert […]

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Email Sending Issues

If your WHMCS website can successfully send emails then the WHMCS Firewall module will automatically be able to send email also. We will not go into troubleshooting general WHMCS email sending issues in this article. If you are receiving emails from WHMCS but not from the WHMCS Firewall module then there are likely two problems. […]

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