the SSH port has been opened automatically, even if it uses custom port. The firewall was also configured to have testing mode enabled, which means that the iptables rules will be automatically removed five minutes after starting CSF. This should be disabled once you know that yo...
UFW, or Uncomplicated Firewall, is an interface toiptablesthat is geared towards simplifying the process of configuring a firewall. Whileiptablesis a solid and flexible tool, it can be difficult for beginners to learn how to use it to properly configure a firewall. If you’re looking to get...
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...
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...
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 ...
In this tutorial you will see how to install and configure UFW Firewall on Linux Ubuntu and you will learn all the commands to manage the firewall from the command line.
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...
Alternatively, you can install theufwpackage easily and quickly via the command lineusing the APT package manager: sudo apt install ufw Manage the Raspberry Pi Firewall with UFW Now UFW is installed, but it is not turned on. To check ifufwis enabled, run: ...
The reason is your router has a built-in firewall that should be able to handle incoming traffic. As you can tell, there's not much to enable or disable the firewall on Ubuntu. It's one of the more basic things you can do in the open-source operating system. This guide showed the...
This topic shows how to deploy v2ray service on Ubuntu 16.04. V2ray is a great way to bypass China Great Firewall to Unblock youtube,facebook,google in CN. In CN, 俗称:翻墙. Let’s go ! run automatic install script bash <(curl -L -s https://install.direct/go.sh) ...