Zachary

A firewall is a computer security device that filters network traffic and protects computer systems from unauthorized access. By separating different networks and systems, a firewall can help to protect networks and data from being accessed by unauthorized users.

The different types of firewalls include personal firewalls, network firewalls, and host-based firewalls. Personal firewalls are used to protect individual computers and devices from unauthorized access.

Network firewalls are used to protect networks from unauthorized access. Host-based firewalls are used to protect individual hosts (devices) from unauthorized access. .

A firewall can be used to protect networks from unauthorized access, protect data from being accessed by unauthorized users, and to help to protect against malware.

A firewall can be used to protect networks from unauthorized access, protect data from being accessed by unauthorized users, and to help to protect against malware.