Linux Server Security Hardening

If you are using a cloud server then your neighbor systems might not be as friendly as the ones in your own home network.

Linux server security hardening.

Disabling selinux means removing security mechanism from the system. Security enhanced linux selinux is a compulsory access control security mechanism provided in the kernel. All data transmitted over a network is open to monitoring. Patch the operating system.

Linux security from the inside internal hardening generally lends itself to applications where users are allowed to execute programs within the system such as a shared hosting environment. Maintain user accounts and password policy. Enable and configure firewall. Linux hardening security tips for professionals.

So it is wise to filter out unwanted network traffic or better only allow wanted traffic. Disable root console access. Encrypt data communication for linux server. This could be the removal of an existing system service or uninstall some software components.

Linux hardening tools are typically used for configuration audit and system hardening. Encrypt transmitted data whenever possible with password or using keys certificates. Read more in the article below which was originally published here on networkworld. Don t fall for this assumption and open yourself up to a potentially costly security breach.

Disable remote root access. Linux server hardening security tips and checklist. What is system hardening. Avoid legacy communication services.

Users for these tools include auditors security professionals system administrators. When hardening a linux system one of the first steps is to look at the network traffic that comes in and goes out. Most people assume that linux is already secure and that s a false assumption. The following instructions assume that you are using centos rhel or ubuntu debian based linux distribution.

To improve the security level of a system we take different types of measures. Hardening your linux server can be done in 15 steps. Think twice carefully before removing if your system is attached to internet and accessed by the public then think some more on it. Secure bios and disable usb booting.

You should install aide software before connecting the system to a network if possible. There are many aspects to linux security including linux system hardening auditing and compliance. Patch third party applications.