ow to perform basic security on your Linux server? We will show you several versions of firewalls from which you can choose the most suitable one. We’ll look at the differences between logging in with SSH and a regular password. We will show you the tools to detect server intrusion. And finally, you will learn 6 basic tips for the security of your server.
Taking control of your own Linux server is an opportunity to try new things and experience the power and flexibility of a great platform. However, if a Linux server is to be well protect and secure, its administrators must be as vigilant and take the same precautions as any other machine connect to the network.
Many different security
topics that fall under the general category of “Linux security” and many understand it to mean what is the appropriate level of security for a Linux server.
The main thing you should take away from these words is that you will have to decide for yourself what security protections are necessary. Before doing so, you should be aware of the risks and trade-offs so that your decisions strike a meaningful balance between usability and security.
The article is intend to help navigate some of the most common security measures undertaken in a Linux server environment. It is not an exhaustive list of these, nor does it discuss recommend configurations, the article provides links to more thorough resources and discusses why the components mention are important parts of many systems.
The translation of the article was poland phone number data creat with the support of virtual servers from ZonerCloud.
Blocking access with firewalls
One of the easiest steps that is recommend for all users is to turn on and configure a firewall. Firewalls act as a barrier between general internet traffic and your machine. They an experiment in the agency – sharing the risk to launch a new product look at the traffic going in and out of your server and decide whether to allow the delivery of that information.
They do this by checking traffic that is consider for or against a certain set of rules that the user configures. Typically, a bw lists server will only use a few specific ports to authenticate services. The rest of the ports are unus and should definitely be safely protect behind a firewall.