Steven Sublett

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  • How to install pecl datadog

    Introduction This guide will contain details about how to install the pecl "datadog" module. The updated version of this module requires a newer version of GCC than the version available below Cent...

  • Acronis Cpanel enduser plugin missing after upgrade to v100

    Symptoms After upgrading or installing version 100, the Acronis backup plugin is missing for cPanel end-users. - Acronis backup isn't searchable in cPanel - Accessing Acronis backup in Jupiter retu...

  • Mailman option RCPT_BASE64_HEADER_NAME causes TypeError

    Symptoms List members didn't receive emails. Emails failed with the following error. File "/usr/local/cpanel/3rdparty/mailman/Mailman/Handlers/SMTPDirect.py", line 379, in verpdelivermsgcopy[mm_cfg...

  • How to install the cPanel-provided ModSecurity vendor rules

    QuestionHow do I install the cPanel-provided ModSecurity vendor rules? Answer Log into WHM as the ‘root’ user. Navigate to Home / Security Center / ModSecurity™ Vendors. Click the + Install button....

  • Smart quotes aren't encoded properly in Mailman non-digest emails

    Symptoms Emails received from a mailing list contain an improperly encoded character. - Double quotes appear as: "=E2=80=9C" and "=E2=80=9D"- Single quotes appear as: "=E2=80=98" and "=E2=80=99"   ...

  • Backup Restoration ERROR: time out reached

    Symptoms When restoring an account backup via the "WHM Backup Restoration" interface, the below error occurs during the restore. ERROR: time out reached Description  WHM Backup Restorations utilize...

  • How to Mitigate Slowloris Attacks

    QuestionHow do you mitigate Slowloris attacks? AnswerThe Slowloris attack attempts to exhaust available server resources by opening a large number of connections to a target web server. Then, these...

  • Mailman can't decode some non-english characters during arch command

    Symptoms During the mailman "arch" command, the following error is returned: File "/usr/local/cpanel/3rdparty/mailman/bin/arch", line 190, in mainarchiver.processUnixMailbox(fp, start, end)File "/u...

  • Useful CSF Commands

    Note: Way to the Web Ltd. (the company behind ConfigServer) has closed permanently on August 31, 2025. cPanel now provides a version of CSF as described below.cPanel will provide its own fork of CS...

  • How to enable SecRequestBodyAccess in Mod Security

    Introduction cPanel doesn't enable the option SecRequestBodyAccess in Mod Security by default. Utilizing this option will increase the memory usage for Apache. It is best to be aware that the memor...