How to get FTP on WHM working if you’re using Pure-FTPd and ConfigServer Firewall
Background WHM doesn’t allow passive FTP connections through by default. You have to first tell the FTP software that it must allow it and do
ftp
Virtualmin FTP not working on port 21
On CentOS 7 you try to FTP to your freshly installed Virtualmin server by doing this: user@hostname ~ $ ftp cp01.vander.host ftp: connect: No route