Disabling SELinux SELinux (Security-Enhanced Linux), an access-control implementation, can prevent web UI access. To disable SELinux: Open the SELinux configuration file: /etc/selinux/config. Locate the following line: SELINUX=enforcing Change the value to disabled: SELINUX=disabledSave your changes and close the file. On the next reboot, SELinux is permanently disabled. To dynamically disable it before the reboot, run the following command: # setenforce 0