Is a Router Enough Without XP's Firewall?

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Discussion Overview

The discussion centers around the necessity of using Windows XP's firewall in conjunction with a router for internet security. Participants explore the implications of relying solely on a router for protection against various types of network threats, including inbound and outbound traffic concerns.

Discussion Character

  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant questions whether a router alone is sufficient for security without Windows XP's firewall, citing performance issues with the firewall.
  • Another participant argues that a router does not forward unsolicited incoming traffic, suggesting that this provides adequate protection against certain threats, such as non-email worms.
  • Concerns are raised about potential risks from reverse-connect trojans and outbound threats, indicating that while a router may suffice for inbound protection, a local firewall could still be beneficial.
  • Some participants express a belief that if users are cautious, they may not need a firewall when using a router.
  • There is uncertainty regarding the outbound protection capabilities of Windows XP SP2's firewall, with participants noting that the original version may not have provided such protection.

Areas of Agreement / Disagreement

Participants express differing views on the necessity of a local firewall when using a router, with some advocating for its use and others suggesting it may not be needed for 'safe users'. The discussion remains unresolved regarding the effectiveness of Windows XP's firewall in terms of outbound protection.

Contextual Notes

Participants do not fully clarify the limitations of their claims regarding the security provided by routers versus local firewalls, nor do they address the specific capabilities of Windows XP SP2's firewall in detail.

Metallicbeing
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I'm running Windows XP Pro w/ SP2. The so called "firewall" has slowed my broadband down considerably. I was told that if I had a router, I didn't need Window XP's "firewall". Is this true?
 
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The router will not forward any incoming traffic to you (unless you set it up to do so) of which you didn't initiate the connection. So no non-email worms attempting to exploit windows bugs will do any harm. So for inbound protection there is no need for a local firewall. You may still want to use a firewall on your computer to avoid reverse-connect trojans for example, where the server actually connects to the client. Spyware or other malicious programs could still send data to whoever wants to receive it.

I have a router, and I don't use a firewall on my computer. In practice, if you are a 'safe user' there is not really a need for a firewall when using a router.
I also don't know whether XP SP2's firewall has got outbound protection, at least the original didn't.
 
Thanks El-Half.
 
el-half said:
I have a router, and I don't use a firewall on my computer. In practice, if you are a 'safe user' there is not really a need for a firewall when using a router.
I also don't know whether XP SP2's firewall has got outbound protection, at least the original didn't.

How's AO doing these days? :smile:
 
Last edited:

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