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

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

If you have error warning on CSF (ConfigServer Security & Firewall) on Linux servers when start or restart CSF like the following message:

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

It’s caused by bind-utils package not installed.

To resolve this problems, for Centos 6/7 and RHEL 6/7 simply run this command to install bind-utils:

# yum install bind-utils -y

To resolve this problems, for Ubuntu or Debian simply run this command to install bind-utils:

# apt-get install dnsutils -y

Then restart CSF with command:

# csf -r

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