VSFTPD log on to FTP from a Web page after configuring the firewall and cannot access this page

Check to see if the VSFTPD service is running, and if it is a CentOS installation, you can use the following command to view
Service VSFTPD Status
If the service is working properly, shut down the firewall and try to see if you can access
Service Iptables Stop
If it doesn't work, turn off SELinux.
Vi/etc/sysconfig/selinux
Put one of the
Selinux=enforcing
Switch
Selinux=disabled
Reboot the machine, turn off the firewall after entering the system, and try to see if you can access

VSFTPD log on to FTP from a Web page after configuring the firewall and cannot access this page