Firewalls can do a lot for your site's security. In fact, some advantages of using firewalls extend even beyond security, as described below.Think of a Firewall as a choke point. All traffic in and out must pass through this single, narrow Checkpoint. A Firewall gives you an enormous amount of leverage for network security because it lets you Concentrate your security measures on this Checkpoint: the point where your network connects to the Internet. There are different layers of a security framework. To start with, there is the physical layer. This alludes to the genuine equipment.
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