If Error from Cron regarding failed CSF update after August 31, 2025,
Question
A message similar to the following is received from the server regarding the automatic update performed by ConfigServer Firewall (CSF):
Cron <root@host> /usr/sbin/csf -u
Oops: Unable to download: Can't connect to download.configserver.com:443 (Connection refused)
Answer
The company behind ConfigServer Firewall (CSF) has announced it will close permanently on August 31, 2025. All downloads previously provided by them are no longer available after August 31st, and all mirrors have been shutdown. Due to this, the Cron in place that attempts to update CSF will fail.
The following article provides further information regarding this topic:
Prepare Your cPanel Server for the ConfigServer Shutdown
If the Cron is still in place, the following files can be removed to prevent further updates from being attempted to CSF:
rm -v /etc/cron.d/csf_update
rm -v /etc/cron.daily/csget
Credit:
cpanel.net & configserver.com