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Packet Filtering Firewalls

Filters Traffic

works on layer 2-3

Types of Firewalls

• PacketFilteringFireWall
• StatelessFirewall
• StatefullFirewall
• Circuit-Level-Firewall
• Application-Proxy
• Next-Generation Firewalls

UFW

The Uncomplicated Firewall (ufw) is a frontend for iptables and is particularly well-suited for host-based firewalls.

• Ubuntu Article
• Dreamhost Article on UFW Firewall

http:///wiki/?packetfilteringfirewall

01dec16

admin