Firewalls , How Many Is Enough?
How many firewalls does one computer need?
I am asked that question many times when seeing some people's setup.
I have seen setup's with:
- Windows Firewall
- Antivirus Firewall ( The big antivirus packages usually have a firewall solution as well )
- Software Firewall ( usually Zonealarm , or Comodo )
- Hardware Firewall ( Your Router )
This really is overkill and can result and does result in a dramatic slowdown of your system.
Your router is the best firewall ( making sure plug n play is turned off ) and along with the Windows Firewall is more than sufficient.