Linux Server Security Hardening

Users for these tools include auditors security professionals system administrators.

Linux server security hardening.

Think twice carefully before removing if your system is attached to internet and accessed by the public then think some more on it. Disable remote root access. Hardening your linux server can be done in 15 steps. Encrypt data communication for linux server.

All data transmitted over a network is open to monitoring. Here are 23 security tips to guide you through hardening your linux operating system. Linux hardening tools are typically used for configuration audit and system hardening. Disable root console access.

Secure bios and disable usb booting. Enable and configure firewall. 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.

So it is wise to filter out unwanted network traffic or better only allow wanted traffic. This could be the removal of an existing system service or uninstall some software components. Most people assume that linux is already secure and that s a false assumption. What is system hardening.

Disabling selinux means removing security mechanism from the system. Patch third party applications. Keep kernel and packages up to date. 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. Security enhanced linux selinux is a compulsory access control security mechanism provided in the kernel. When hardening a linux system one of the first steps is to look at the network traffic that comes in and goes out. The following instructions assume that you are using centos rhel or ubuntu debian based linux distribution.

Encrypt transmitted data whenever possible with password or using keys certificates. To improve the security level of a system we take different types of measures. 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 hardening security tips and checklist.

There are many aspects to linux security including linux system hardening auditing and compliance. Linux hardening security tips for professionals. You should install aide software before connecting the system to a network if possible.