Firewall provides security for Linux systems and networks. And also the infrastructure of the system.
Firewall is a security guard between networks and it manages and controls the traffic on the networks. It protects the system from viruses, software bugs and malicious software applications from the networks or the IP of the system. Some of the most commonly used firewall applications are Iptables, IPCop firewall, Shorewall, Uncomplicated Firewall (UFW), Pfsense and IPFire. Iptables is the most flexible utility, which supports the features like backup and restoration.
To Configure and Manage Firewall with FirewallD in Linux Firewalld helps you to configu [+]more
Hi.., am new to ubuntu i dont how to turn on firewall service.. can you please slove this issu [+]more