Ins & Outs of Firewalls
Inbound
- Forbids access to ports unless permitted
- Did you know that you have ports open?
Outbound
- Forbids transmission to Net unless permitted
Application gateway
- Permits/denies transmission based on requesting program + TCP/IP address + port
- Should check program profile to catch Trojan horses
Virtual server allows server inside the firewall
DMZ allows full access to one LAN computer