Linux Server Security Hardening

Linux hardening tools are typically used for configuration audit and system hardening.

Linux server security hardening.

Disable root console access. Encrypt data communication for linux server. What is system hardening. Keep kernel and packages up to date.

Security enhanced linux selinux is a compulsory access control security mechanism provided in the kernel. Here are 23 security tips to guide you through hardening your linux operating system. Encrypt transmitted data whenever possible with password or using keys certificates. There are many aspects to linux security including linux system hardening auditing and compliance.

To improve the security level of a system we take different types of measures. Users for these tools include auditors security professionals system administrators. If you are using a cloud server then your neighbor systems might not be as friendly as the ones in your own home network. Patch third party applications.

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. Enable and configure firewall. Linux hardening security tips for professionals.

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. 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. Hardening your linux server can be done in 15 steps.

All data transmitted over a network is open to monitoring. You should install aide software before connecting the system to a network if possible. Most people assume that linux is already secure and that s a false assumption. Disabling selinux means removing security mechanism from the system.

So it is wise to filter out unwanted network traffic or better only allow wanted traffic. Think twice carefully before removing if your system is attached to internet and accessed by the public then think some more on it. Avoid legacy communication services. Read more in the article below which was originally published here on networkworld.

Secure bios and disable usb booting. Disable remote root access. Linux server hardening security tips and checklist.