Announcing the release of Atomic Secured Linux 4.0.17

Announcing the release of Atomic Secured Linux 4.0.17

Atomicorp is proud to announce the release of ASL™ 4.0.17! A next generation server security solution that addresses the unique security problems of servers. ASL 4.0.17 is an update driven by customer feedback and is part of Atomicorp’s commitment to deliver the latest product updates in one convenient installation. Atomic Secured Linux™ is the only complete solution available to secure your Redhat™, Centos™ and CloudLinux™ systems from hackers and compromise.

Complete Intrusion Prevention

ASL™ stops attackers before they can even get on your system. Web Attacks, Shells, Denial of Service, Rootkits, Brute Force attacks, you name it, ASL™ stops it cold. We make preventing intrusions easy.

Designed for novices and experts

ASL™ is designed to be easy to install and use. No security experience required but powerful enough for experts too.

Automatically remove hackers from your websites

If your web sites have already been compromised, ASL™ will remove malicious code and hackers automatically. Our proprietary technology removes web compromises in real time, without touching the web application. Its the perfect solution with no risk to your web sites.

Real Time Threat Intelligence

Join the Herd! ASL™ includes a Herd Defense, a system that collects real time attack information from thousands of systems around the world and shares it instantly with every system running ASL™, automatically blocking attackers before they can attack your systems!

Works with Redhat, Centos, CloudLinux and all major Control Panels

ASL™ is supported with Redhat, Centos or CloudLinux systems, all major web servers (Apache, NGINX, Litespeed, Tomcat and others) and if you use a control panel for your system, ASL™ also works with cPanel, Plesk, Webmin and more.

Lower your support costs

ASL™ lowers support costs by up to 80% by eliminating intrusions, automatically removing compromises and automating incident response. Freeing up your support staff and dramatically lowering costs.

Real Time Malware Protection

ASL™ prevents malware in real time, stopping rootkits, web shells, spam bots and other malware dead.

Get off the patching treadmill

ASL™ includes our proprietary Virtual Patching technology that prevents vulnerabilities in your web applications from being exploited, eliminating the need for you to worry about patching your system.

DevOps Friendly

Designed to also work in DevOps environments such as Puppet, SaltStack, Ansible and others.

Free Trial

Not sure if Atomic Secured Linux™ is right for you? Download ASL™ and try it free for 10 days. Theres no obligation or credit card required.


Installation Instructions

Please follow the instructions at this link.


Upgrade Instructions

To upgrade, just run these commands as root:

1) aum -uf

2) asl -s -f


This release also includes the new Redhat/Centos 7 kernel. To install the kernel on existing Redhat and Centos 7 systems follow the steps below:

1) ASL Web->General->Kernel Channel to: tortix-kernel or tortix-kernel-xen

2) Update yum settings with: aum -u

3) yum install kernel

4) (Optional) Set kernel to boot in test mode: grub2-reboot

5) Set kernel to boot: grub2-set-default 0


Full changelog:

– Add ASL Kernel support for el7. (kernel-asl package)
– Add inode MAX_USER_WATCHES configuration setting
– Feature Request #1308, Core, Detect if a duplicate rkhunter install exists on the system
– Feature Request #1319, Core, Detect conflicting components in asl -v
– Feature Request #1342, general_check, Generate alert of FTP kernel modules are not loaded
– Feature Request #1479, ASL Web, Added visual for malware scan window to let user know malware scan is running.
– Feature Request #1643, Configuraton, enumerate kernel installation & detection of custom environments
– Feature Request #1901, Core, repair broken missing tortix-kernel.repo
– Feature Request #1927, Core, implement mod_evasive in T-WAF
– Bugfix #1529, cpanel_check, cpanel clamav socket detection
– Bugfix #1693, cpanel_check, cpanel exim support for clamav
– Bugfix #1847, ASL Web, remove cached amount from used mem in performance monitor
– Bugfix #1900, Core, create a symlink to mariadb if it doesnt exist. This is specifically a Cpanel mariadb bugfix
– Bugfix #1923, AUM, Add logic for maximum WAF engine version, and lua support in rule class context.
– Bugfix #1925, Lint for WAF_SERVER_SIGNATURE token to handle more dynamic quoted strings
– Bugfix #1926, T-WAF, ASL incorrectly reporting WAF disabled in a T-WAF only environment
– Bugfix #1943, ASL Web, Fix available for user settings update function. Now checks to see if window in array is defined before proceeding to update the settings database and update the GUI.
– Bugfix for firewall, Increase maxelem to 1048560, this handles very large hashes more gracefully
– Bugfix for AUM, delete legacy ASL malware files on update event
– Bugfix for AUM, for Plesk Debian/Ubuntu based systems conf.d directory management
– Bugfix for AUM, Fixes RBC space check from ASL Web
– Bugfix for cPanel, cpanel_check, fix systemd condition to add a startup event for pureftpd upload scanning
– Bugfix for ASL Web, Fixes saving global settings from rule manager window
– Bugfix for core engine, Configuraton, Add fix for “skip_name_resolve” in database setup
– Bugfix for cPanel, cpanel_check, httpd 2.4 fixes for json/yajl support
– Ehancement to ASL Client/server system. This is preperation for ASE and ASL V release in January.