Originally, the term firewall applied to a device designed to contain fire inside a closed room, thus hindering its spread and mitigating its adverse effects on humans and property.
A firewall is, by comparison, a software or hardware-based device that acts as a gatekeeper between trusted and untrusted networks or their components in network security. This is done by filtering out undesirable or potentially unwanted content and communication, and Sophos firewall is the most common apps.
Sophos firewall works to maximize your Internet bandwidth – At the same time, you can make easy use of multiple Internet connections, giving your home more bandwidth so that the world’s best Sophos firewall.
A next-generation firewall incorporating a conventional firewall with other filtering features for network applications, such as an in-line deep packet inspection (DPI) application firewall & it’s a part of the third generation of firewall, and an intrusion prevention framework (IPS).