We highly recommend the CloudLinux operating system as a means to improve your security and performance of your shared web hosting offering. CloudLinux provides a secure, lightweight virtual environment for each shared hosting customer.
If you are looking for additional security for your cluster, please consider our Proactive Security Monitoring Service; this service includes our Global Security Service at no additional charge.
As of June 1, 2012, we support ConfigServer & Security Firewall — CSF — in addition to the Advanced Policy Firewall — APF.
We are strongly recommending all H-Sphere providers, especially those on H-Sphere 3.2 and prior, to upgrade to H-Sphere 3.5.1 which was released on January 31, 2012.
Please see the H-Sphere future page for more information on what Parallels is doing for H-Sphere providers.
Please call us at 1-717-484-1062 or contact us for more information.