Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW.

Computadores que usam o Ubuntu possuem uma função de firewall denominada “UFW” (Uncomplicated Firewall, na sigla em inglês). No entanto, a opção para ativá-la não aparece nas configurações do sistema, ...

The Linux kernel includes some of the most powerful and flexible firewall code in any general-purpose operating system. This code is called Netfilter, though most of us refer to it by the name of its ...

We list the best Linux firewalls, to make it simple and easy to set up and manage a more advanced firewall for your Linux PC or IT network. A dedicated firewall is the first line of defense when it ...

WHEN LOOKING for an effective, inexpensive firewall solution, Linux firewalls do not often enter into the picture unless someone involved in the security planning process is a Linux guru. With the ...

Nos últimos tempos ter apenas um antivírus não é sinal de garantia total de que o seu computador vai ficar a salvo de todos os males que rondam a internet. Como todos os avanços tecnológicos, a ...

Although Linux has a firewall built into the kernel itself, it isn’t always the easiest to use, especially for new users to Linux, even when there are several graphical utilities that can help you ...