What are firewalls in network security?
analyzes network traffic and analyzes rules in order to allow or block specific types of it, depending on whether it is deemed safe or not.
What is importance of firewall?
Security personnel must protect their networks against unauthorized access with firewalls. The underlying purpose of these technologies is to block unwanted content, prevent malicious files such as worms, viruses, and malware, and to create a secured network that protects all devices within the environment they are connected to.
How does a firewall improve network security?
A firewall is a software or hardware application that protects your computer or network from intruders by performing a filtration system on all data sent to or from it. Firewalls prevent unaccepted data packets from entry into a network or reaching your computer if they are flagged as security risks.