What a Firewall Does
Firewalls filter traffic based on rules. Stateful firewalls track connections; next-generation firewalls inspect application data.
Typical setup
Block all incoming by default, allow specific ports (80, 443, 22).
Firewalls filter traffic based on rules. Stateful firewalls track connections; next-generation firewalls inspect application data.
Block all incoming by default, allow specific ports (80, 443, 22).