*WARNING* Binary location for [HOST] [/usr/bin/host] in /etc/csf/csf.conf is either incorrect, is not installed or is not executable

ERROR :

*WARNING* Binary location for [HOST] [/usr/bin/host] in /etc/csf/csf.conf is either incorrect, is not installed or is not executable

FIX :

I saw the above warning while restarting CSF firewall on my server. Check whether bind-utils package is installed or not, on my cPanel server it was not installed.

-bash: /usr/bin/host: No such file or directory

Command to check whether bind-utils is installed or not : rpm -qa | grep bind-utils

Install bind-utils package using yum.

[root@server ~]# yum install bind-utils

–> Running transaction check
—> Package bind-utils.x86_64 32:9.9.4-29.el7_2.3 will be installed

Running transaction
Installing : 32:bind-libs-9.9.4-29.el7_2.3.x86_64 1/2
Installing : 32:bind-utils-9.9.4-29.el7_2.3.x86_64 2/2
Verifying : 32:bind-utils-9.9.4-29.el7_2.3.x86_64 1/2
Verifying : 32:bind-libs-9.9.4-29.el7_2.3.x86_64 2/2

Installed:
bind-utils.x86_64 32:9.9.4-29.el7_2.3

Dependency Installed:
bind-libs.x86_64 32:9.9.4-29.el7_2.3

Now bind-utils is installed and the CSF warning should be fixed.