Most firewall users know what a firewall is, which is also called a firewall . This is a hardware or software system that controls both incoming and outgoing connections. The essence of his work is that he, based on the settings specified by the administrator or owner of the PC, allows or blocks certain connections.
What is a firewall, and what are its types? Firewalls are divided into personal and corporate. The first are programs installed on the computer itself. The latter can be not only software, but also hardware, and they are installed on the gateway between subnets or between the Internet and a local network. The main difference between a personal firewall is that in its settings, in addition to the address, protocol and port, you can specify programs that are allowed to establish connections. The firewall always acts according to the rules created by the administrator, and if they have not been set, then before making a decision, he displays a message on the monitor in which the user must make a choice: allow or block the connection.
So
what is a firewall? This is a tool whose operation completely depends on the owner of the PC, that is, computer security will be ensured if the user makes the right decisions. Therefore, it is important to observe the following rules: monitor firewall messages and read them carefully; give access only to those programs for which it is really necessary; if in doubt, it is better to play it safe and prohibit the connection.
To date, many paid and free personal firewalls have been developed that have almost the same functionality and differ only in the interface.
One of the most popular tools is the free Comodo firewall, which is not inferior to paid versions in terms of reliability. Its manufacturers offer a wide range of Internet users a full software version of protecting your computer from external threats and from information leakage. It should be said that it is designed for ordinary
PC operators who do not understand network settings.
What is a Comodo firewall? This is a small program that does not require special resources, capable of recognizing up to 10,000 applications in categories such as advertising, "spy" and others. Among its main characteristics are the following:
- Convenient and understandable for the "teapot" interface.
- Providing protection against viruses, scripts, hacker attacks.
- The activity of programs on the Web is constantly monitored.
- Online traffic control .
- Automatic update of the program.
"Komodo" is a firewall that "communicates" with the user through pop-up windows with messages in which information about what is happening is as clear as possible and in all details. The program can independently analyze each compound and notify about a possible threat.
However, the firewall is not a replacement for the antivirus, but serves as its complement. This provides comprehensive protection for your computer from intruders.