ConfigServer Firewall (CSF) is a free, open source and powerful software firewall application based on iptables that provides high level of security toLinux servers. CSF is a Stateful Packet Inspection that can protect your server against different types of attacks, such as brute force, SYN flo...
In order to complete this tutorial, you will need to have a server running Ubuntu, along with a non-root user withsudoprivileges and an active firewall. For guidance on how to set these up, please choose your distribution fromthis list and follow our Initial Server Setup Guid...
Zabbix server is installable on any Linux distribution, but in this tutorial, I will show you step-by-step how to install and optimize the latest Zabbix Proxy 6 LTS or 6.4 standard release on 22.04 LTS (Jammy Jellyfish) / Ubuntu 20.04 (Focal) / Ubuntu 18.04 (Bionic). Zabbix is 100% f...
In addition to dependencies that should be already included within your Ubuntu 22.04 system, such asgitandcurl, Composer requiresphp-cliin order to execute PHP scripts in the command line, andunzipto extract zipped archives. We’ll install these dependencies now. First, update the package manager...
To Install And Configure UFW Firewall In Linux Debian 11.4 Introduction: UFW, or Uncomplicated Firewall, simplifies firewall configuration by providing an interface to iptables. Setting up a firewall correctly can be difficult for beginners with Iptables. Pre-Requisites • Debian • Root ...
Permanent Settings for Debian/Ubuntu apt-get install iptables-persistent netfilter-persistent If you need to update your IPv4/IPv6 firewall setup, please modify the following files: /etc/iptables/rules.v4 /etc/iptables/rules.v6 You can also save your currently configured firewall rules if you ha...
In this tutorial you’ll learn to install xRDP on an Ubuntu 22.04 server, install desktop environments (GUI) on it, and how to connect to it.
Step 1: Install Zabbix server, frontend, and agent Note:You need to log in as a root user on your Linux server with “su -” or use “sudo” to successfully execute commands used in this tutorial. InstallZabbix.deb package on your Ubuntu OS (24.04, 22.04, 20.04, 18.04 and 16.04 are...
Once connected, follow these steps to configure UFW on Ubuntu 22.04: Activate UFW with the following command: sudo ufw enable If you receive aUFW command not founderror, it means the firewall isn’t installed on your system. To install it, use the command below: ...
IptablesHowTo on ubuntu Basic iptables howto Iptables is a firewall, installed by default on all official Ubuntu distributions (Ubuntu, Kubuntu, Xubuntu). When you install Ubuntu, iptables is there, but it allows all traffic by default. Ubuntu 8.04 Comes withufw- a program for managing the ...