Need to quickly add the Pingdom IP’s to your CSF.allow file?
wget --quiet -O- https://my.pingdom.com/probes/feed | \ grep "pingdom:ip" | \ sed -e 's|||' >> /etc/csf/csf.allow sleep 5 csf -r
What it does:
Fetches the latest probing server IP’s from Pingdom
Greps the output of the ‘pingdom:ip’ fields
Prints the contents into the csf.allow file
Restarts CSF