Is my firewall necessary ?

  LeadingMNMs 16:52 04 Mar 04

I have the three computers all with the free version of ZoneAlarm. The computers are networked together with a 'central' router and modem. For these machines to see each other the IP addresses have to be set as Trusted.

My question is, since data is sent to the router and is then fowarded to the correct computer, would the firewall trust this data, since it theorectically comes from a Trusted zone. I've checked the Alert Logs and there only seems a few Alerts that have been generated due to a game I play that requires a port to be open. Before using a network I got alot more Alerts.

Does anyone think there is any point running a firewall is worth it in this situation. The only benefit is that Programs have to ask for permission to access the Internet.

  Stuartli 17:43 04 Mar 04


  obbit 17:53 04 Mar 04

yes. your firewalls are needed for each pc

  spikeychris 18:44 04 Mar 04

Certainly don't agree that each machine needs a firewall, the router drags in the net and feeds the networked machines. Your router should act as a firewall itself.

Modern routers even come with firewalls on-board.

  bremner 19:15 04 Mar 04

To check how good a job the router is doing go here click here and use 'Shields Up' to check your ports.

  Taran 19:38 04 Mar 04

Your router will offer far better protection than any software firewall ever can for inbound traffic.

Some poeple still run a software firewall and the only real benefit is to monitor outgoing requests.

Unless you're a file sharer/downloder via Kazaa or similar, or you don't keep your antivirus software up to date and continually open emails from unknown sources, the likelihood of you needing an outbound traffic monitor is very low.

I stopped running a software firewall when I installed my router and I've had no problems at all. In fact, the test results from the various security sites show that I am currently far better protected than I ever was when running a leading software firewall, just by using the hardware firewall built into my router.

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