Best security apps for ubuntu

Today we bring you a guide to the best security applications for Ubuntu. And is that security is a fundamental issue in terms of systems, includes both the external and internal aspects. The external aspect includes protection against possible disasters such as fires, floods or intruders. It is important to emphasize that external security is not the responsibility of the system, but of its owner.

On the other hand, the internal aspect is related to the controls incorporated into the hardware and the Operating System to ensure resources. Certainly, we can say that Linux is the safest operating system that exists. There are plenty of examples where it is shown that we can configure the security settings in Linux according to our needs, even with the help of certain tools. In this article, we will show you some Security Applications that will help you in this aspect in Ubuntu.

Security applications for Ubuntu that can not miss on your computer

ClamAV

It is an open source antivirus, designed for the detection of Trojans, viruses, malware and other malicious threats.

Main features

• It is considered the open source standard for mail gateway scanning. It is versatile, supports various file formats. High performance, includes a multithreaded scan daemon and a command line utility for file scanning.

Installation in Ubuntu

It can be found in the repository and just run:

apt-get install clamav

GnuPG

It is a complete free implementation of the OpenPGP standard, also known as PGP. This application allows us to encrypt and sign data and communication, it has a versatile key management system, as well as access modules for all types of public key directories. Basically it is a command line tool with the features for easy integration with other applications, it also provides support for S / MIME and Secure Shell (ssh).

This is already incorporated in Ubuntu. For more information on its use, you can check its official page.

Create your GPG key

gpg --gen-key

Create your SSH key

ssh-keygen -t rsa

Gufw

It is a Firewall that makes use of UFW (Uncomplicated Firewall). It stands out for being a powerful application, with an intuitive interface, with a design and usability features that provide the user with a super simple and practical experience.

For its installation in Ubuntu, we execute in the terminal:

sudo apt-get install gufw

You can also read: Ubuntu 16.04 LTS Tips after installation .

OpenSSH

OpenSSH is the main tool for remote access connectivity with the SSH protocol. It is responsible for encrypting all traffic to eliminate espionage, connection hijacking and other attacks.

The suite is made up of the following tools:

• Remote operations performed using ssh, scp and sftp. Key management with ssh-add, ssh-keysign, ssh-keyscan, and ssh-keygen. And on the service side the use of sshd, sftp-server, and ssh -agent.

Installation in Ubuntu

For both the client and the server, the installation process is simple. To install the OpenSSH client applications on ubuntu, we use the following command in the console:

sudo apt install openssh-client

On the other hand, to install the server application and related support files, we use the following:

sudo apt install openssh-server

Fail2ban

This tool performs scans of the log files (for example, / var / log / apache / error_log) and is responsible for setting the ban on IP addresses that show malicious signs, for example too many password failures, looking for vulnerabilities, etc. Generally, it is used to update firewall rules to reject IP addresses for a specific amount of time, although any other arbitrary action (for example, sending an email) can be configured.

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Installation

The system needs to have: Python2> = 2.6 or Python> = 3.2 or PyPy

For Ubuntu, Debian or any distribution that uses apt repository, it can be installed with the following instruction:

apt-get install fail2ban

Seahorse

It is a GNOME application for managing encryption keys and passwords in the GnomeKeyring.

Seahorse allows us to:

• Encrypt / decrypt / sign files and text Manage your keys and keychain Synchronize your keys and your key file with the key servers Sign keys and publish Back up your keys and keychain Add an image in any supported format GDK as the OpenGPG identity card. Create SSH keys, configure them and cache.

To install it on our system:

sudo apt-get update sudo apt-get install seahorse-nautilus

We hope you find this set of Security Applications for Ubuntu useful. Tell us about your experience or if you would add any other to this list. In addition, we invite you to read our Tutorials section where you will find a wide variety of information for your help.