Once an untrusted machine is on your network they can infect you directly and you (and the NAT Router) will never know it happened. This is particularly true if you let (either deliberately or accidentally) untrusted machines onto your network. I believe running a software firewall remains prudent even behind a NAT Router. (This is an update to an article originally published Package that you install, or at a minimum simply enabling the Windows Firewall Simply behind a router and with no outgoing threat monitoring.īut regardless, you do need a firewall be it an external router, a software There’s a wide variety of opinion on this, but personally, I’m quite happy
#Should iturn on windows firewall i have avast install#
That you can install separately to use instead of the Windows Firewall can beĬonfigured with a wide array of outgoing protection. Has a limited amount of outbound traffic alerts, and other software firewalls Malware already on your machine attempting to connect out. Incoming from the network, but will not filter or warn you of any
Now, one word in the original question is worth a comment: “outbound”.Ĭonsumer grade routers will keep you safe from threats that are On the road – not being sure of exactly what I’m connecting to, the firewall
This is what I do when I take my laptop with me If you’re not behind a router or other firewall, you’ll at least want to In fact, you can tell the new Windows Security Center that If you have a router with network address translation, or NAT, enabled (mostĬonsumer grade routers do, by default) then there’s no need to enable the Malicious network traffic from ever reaching your computer, whereas softwareįirewalls, such as the Windows Firewall, discard malicious traffic after it has In general, hardware firewalls, typically provided by NAT routers, keep “If you’re not behind a router or other firewall, you’llĮvery computer should be behind a firewall of some sort.
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