Firewalls are crucial for businesses to promote security and protect against cyberattacks by acting as a gatekeeper, the first-line defense against malware, malicious code, and viruses. It enables you to block unauthorized incoming traffic to your network and control access to certain websites. A firewall blocks any malicious and dangerous traffic through a predefined set of rules to control who you let in, and what traffic is allowed to enter your network by monitoring and analyzing network traffic all this and more through a firewall router. Many modern routers support firewalls to integrate hardware with software solutions to provide comprehensive security for your business. Firewall security is very important, the hazards and risks of not setting a firewall are tremendous and can cost you so much or even your business.