简介:How to Fix “firewall-cmd: command not found” Error in ubuntu sudo apt-get install firewalld Next, start firewalld and enable it to auto-start at system boot, then check its status. sudo systemctl start firewalld sudo systemctl enable firewalld sudo systemctl status firewalld Ce...
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...
We strongly recommend to create a backup of the current firewall setup in order to be able to immediately restore the previous configuration (e.g. connection locks). To save your current IPv4/IPv6 firewall setup into a backup file, feel free to use the following commands: iptables-save > ...
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 Guide...
What is UFW in Linux? A UFW, or Uncomplicated Firewall, is a frontend for managing firewall rules in Arch Linux, Debian, or Ubuntu. Q How do I check my Debian UFW firewall status? A Check the status of UFW with this command: sudo ufw status Q How to display the UFW status...
sudouser, and a firewall enabled on your server. To set this up, you can follow ourinitial server setup guide for Ubuntu 22.04. Step 1 — Installing PHP and Additional Dependencies In addition to dependencies that should be already included within your Ubuntu 22.04 system, such asgitandcurl,...
It also has a graphical user interface called GUFW, which users can install on their desktop environment. Meanwhile, UFW command line usage is for a remote server like VPS. How to Set Up Ubuntu Firewall on Different Ubuntu Versions Before configuring firewall rules in Ubuntu, we must enable ...
Step 1: Install Zabbix server, frontend, and agent Note: You need to log in as a root user on your Linux server with “su -sudo” or use “” to successfully execute commands used in this tutorial. Install Zabbix 6 .deb package on your Ubuntu OS (22.04, 20.04, 18.04 and 16.04 are...
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...
[Install] WantedBy=multi-user.target Enable and startshadowsocks.service systemctl daemon-reload systemctl enable shadowsocks systemctl start shadowsocks Allow the port 8388 in the server firewall ufw allow proto tcp to 0.0.0.0/0 port 8388 comment “Shadowsocks” ...