Linux Server Security Hardening

Disable remote root access.

Linux server security hardening.

Disabling selinux means removing security mechanism from the system. When hardening a linux system one of the first steps is to look at the network traffic that comes in and goes out. Maintain user accounts and password policy. This could be the removal of an existing system service or uninstall some software components.

Secure bios and disable usb booting. For greater linux server security hardening it s recommended that you use integrity checking software before you take a system into a production environment online. Patch the operating system. Enable and configure firewall.

Read more in the article below which was originally published here on networkworld. 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. Linux server hardening security tips and checklist. Encrypt data communication for linux server.

The following instructions assume that you are using centos rhel or ubuntu debian based linux distribution. Linux hardening tools are typically used for configuration audit and system hardening. To improve the security level of a system we take different types of measures. Here are 23 security tips to guide you through hardening your linux operating system.

Hardening your linux server can be done in 15 steps. Linux hardening security tips for professionals. Avoid legacy communication services. If you are using a cloud server then your neighbor systems might not be as friendly as the ones in your own home network.

Encrypt transmitted data whenever possible with password or using keys certificates. Don t fall for this assumption and open yourself up to a potentially costly security breach. Think twice carefully before removing if your system is attached to internet and accessed by the public then think some more on it. Security enhanced linux selinux is a compulsory access control security mechanism provided in the kernel.

Disable root console access. So it is wise to filter out unwanted network traffic or better only allow wanted traffic. There are many aspects to linux security including linux system hardening auditing and compliance. Most people assume that linux is already secure and that s a false assumption.

All data transmitted over a network is open to monitoring. You should install aide software before connecting the system to a network if possible. What is system hardening.