ConfigServer Firewall (CSF) is a free, open source and powerful iptables-based software firewall application that provides a high level of security for Linux servers. CSF is a state-of – the-art packet inspection that can protect your server against various types of attacks, such as brute force, SYN flood, port scan, DOS, and server security.
Uncomplicated Firewall or UFW is an iptables interface designed to simplify the firewall configuration process. While iptables is a firm and flexible tool, it can sometimes be tricky for beginners to learn how to use it to properly configure a firewall. If a user is looking to start securing his or her network, UFW may be the right solution.
To run a website on your Ubuntu 18.04 VPS, you need to install a group of open…