Protecting the Organization

Common firewall types - Network Layer Firewall?

• uses source and destination IP addresses

• uses source and destination data ports, connection states

• uses application, program or service

• uses user, device, role, application type, and threat profile

Common firewall types - Transport Layer Firewall?

• uses source and destination IP addresses

• uses source and destination data ports, connection states

• uses application, program or service

• uses user, device, role, application type, and threat profile

Common firewall types - Context Aware Application Firewall?

• uses source and destination IP addresses

• uses source and destination data ports, connection states

• uses application, program or service

• uses user, device, role, application type, and threat profile

Common firewall types - Application Layer Firewall?

• uses source and destination IP addresses

• uses source and destination data ports, connection states

• uses application, program or service

• uses user, device, role, application type, and threat profile

Common firewall types - Proxy Server?

• uses web content requests

• protect, hide, offload, and distribute access to web servers

• hides or masquerades the private addresses of network hosts

• filtering of ports and system service calls on a single computer operating system

Common firewall types - Network Address Translation (NAT) Firewall?

• uses web content requests

• protect, hide, offload, and distribute access to web servers

• hides or masquerades the private addresses of network hosts

• filtering of ports and system service calls on a single computer operating system

Common firewall types - Reverse Proxy Server?

• uses web content requests

• protect, hide, offload, and distribute access to web servers

• hides or masquerades the private addresses of network hosts

• filtering of ports and system service calls on a single computer operating system

Common firewall types - Host-based Firewall?

• uses web content requests

• protect, hide, offload, and distribute access to web servers

• hides or masquerades the private addresses of network hosts

• filtering of ports and system service calls on a single computer operating system

Switches used in networks?

• As record MAC addresses for each device connected to it

• provide access to a wireless network for a limited range

• Use an IP address to forward traffic to other networks

• Receives data on one port and sends to all other ports

Hubs used in networks?

• As record MAC addresses for each device connected to it

• provide access to a wireless network for a limited range

• Use an IP address to forward traffic to other networks

• Receives data on one port and sends to all other ports