Setting pasv ports in PureFTP
The PureFTP config file is here....
root@web-linux-cpanel [~]# grep -i passive /etc/pure-ftpd.conf # Port range for passive connections replies. - for firewalling.
PassivePortRange 20000 20050
Intrahost values for pasv FTP are 20000-20050. Edit the file above to use these values.