File Threat Protection does not start due to driver interceptor error [KES for Linux]
Entry posted by svc_kms in Known Problem
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Problem
kesl-control --app-info outputs the following error:
File Threat Protection: Unavailable due to file interceptor driver error
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One of the most common root causes is Fanotify is disabled (or KESL could not access it) and kernel module compilation also failed.
A special utility can be used for this directly on the affected machine with KESL installed:
sudo /opt/kaspersky/kesl/bin/fanotify-checker && echo fanotify: supported || echo fanotify: unsupported
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In case, an operating system does not support Fanotify technology, it is required to install some additional packages and build a kernel module for KESL.
A part of required packages may be found on the Hardware and software requirements section of the product documentation, for example for KESL 11.3; In addition to this, new packages kernel-headers-XXX and kernel-devel-XXX must be installed, where XXX - an operating system kernel version.
Use the following scenario to install those packages and build a kernel module for KESL:
for RHEL based OS:
yum install kernel-headers-`uname -r` kernel-devel-`uname -r`
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for Debian based OS:
apt install linux-headers-`uname -r`
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Reboot the system;
Run the post-install script:
/opt/kaspersky/kesl/bin/kesl-setup.pl --build | tee /tmp/buildLog
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And reboot the service:
systemctl restart kesl-supervisor.service
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In case of any further issues, please contact Kaspersky Support.
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