The primary purpose of a firewall is to allow non-threatening traffic and prevent malicious or unwanted data traffic for protecting the computer from viruses and attacks.
It acts as a barrier between internal private networks and external sources (such as the public Internet). What is a Firewall?Ī firewall can be defined as a special type of network security device or a software program that monitors and filters incoming and outgoing network traffic based on a defined set of security rules. In this article, we have talked about firewalls as well as other related topics, such as why we need firewalls, functions of firewalls, limitations of firewalls, working of firewalls, etc. One such tool is a 'firewall' that prevents unauthorized access and keeps our computers and data safe and secure. There are various tools and devices that can provide different security levels and help keep our private data secure.
Nowadays, it is a big challenge to protect our sensitive data from unwanted and unauthorized sources.
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