WHM show the service as down.
Server domain.com Primary IP Address 69.xx.xx.xx Service Name ftpd Service Status failed Notification The service ?ftpd? appears to be down. Service Check Method The system?s command to check or to restart this service failed. Number of Restart Attempts 258 Startup Log
Do the following…
# cd /var/run # mv pure-ftpd.pid pure-ftpd.pid.bk
Restart ftpd in WHM under Service