Patch the operating system.
Linux server security hardening.
What is system hardening.
Don t fall for this assumption and open yourself up to a potentially costly security breach.
You should install aide software before connecting the system to a network if possible.
When hardening a linux system one of the first steps is to look at the network traffic that comes in and goes out.
Patch third party applications.
Users for these tools include auditors security professionals system administrators.
This could be the removal of an existing system service or uninstall some software components.
So it is wise to filter out unwanted network traffic or better only allow wanted traffic.
Avoid legacy communication services.
All data transmitted over a network is open to monitoring.
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 hardening tools are typically used for configuration audit and system hardening.
Here are 23 security tips to guide you through hardening your linux operating system.
Secure bios and disable usb booting.
Linux hardening security tips for professionals.
There are many aspects to linux security including linux system hardening auditing and compliance.
Disable remote root access.
To improve the security level of a system we take different types of measures.
Hardening your linux server can be done in 15 steps.
Read more in the article below which was originally published here on networkworld.
Security enhanced linux selinux is a compulsory access control security mechanism provided in the kernel.
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.
Enable and configure firewall.
Encrypt transmitted data whenever possible with password or using keys certificates.
Linux server hardening security tips and checklist.
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.
Maintain user accounts and password policy.
Encrypt data communication for linux server.
Disabling selinux means removing security mechanism from the system.
Disable root console access.
