Linux Server Security Hardening

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.

Linux server security hardening. Encrypt data communication for linux server. Security enhanced linux selinux is a compulsory access control security mechanism provided in the kernel. Think twice carefully before removing if your system is attached to internet and accessed by the public then think some more on it. Patch the operating system.

Enable and configure firewall. To improve the security level of a system we take different types of measures. There are many aspects to linux security including linux system hardening auditing and compliance. Here are 23 security tips to guide you through hardening your linux operating system.

Users for these tools include auditors security professionals system administrators. Encrypt transmitted data whenever possible with password or using keys certificates. Linux hardening security tips for professionals. Disabling selinux means removing security mechanism from the system.

What is system hardening. Most people assume that linux is already secure and that s a false assumption. So it is wise to filter out unwanted network traffic or better only allow wanted traffic. Disable root console access.

Hardening your linux server can be done in 15 steps. Secure bios and disable usb booting. Avoid legacy communication services. Patch third party applications.

Keep kernel and packages up to date. Disable remote root access. 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.

Don t fall for this assumption and open yourself up to a potentially costly security breach. When hardening a linux system one of the first steps is to look at the network traffic that comes in and goes out. All data transmitted over a network is open to monitoring. You should install aide software before connecting the system to a network if possible.

The following instructions assume that you are using centos rhel or ubuntu debian based linux distribution. Maintain user accounts and password policy. Linux server hardening security tips and checklist.