Wrt54gs firewall question

Discussion in 'Cisco/Linksys Wireless Routers' started by pritam, Jan 25, 2006.

  1. pritam

    pritam Network Guru Member

    I was just wondering if the firewall included in my linksys wrt54gs router is secure or should I have a software firewall too?

    Also right know the firewall is disabled so I was just wondering if enabling it would slow down my connection at all. btw, I use the thibor 12 firmware. And if possible could someone give me some settings for it.

    I use my internet for web browsing, Limewire and bittorrent. Right know I have outpost installed but if not necassary I would like to remove it as it takes some high memory usage.
  2. NateHoy

    NateHoy Network Guru Member

    You do need a software firewall in addition to the hardware firewall. The software firewall helps protect you from spyware and other items that may get on your PC and try to communicate outbound, while a hardware firewall protects you from port attacks.

    The firewall on the WRT54GS is secure enough, for what it protects, but it only protects you from part of the threat.

    Especially if you are running P2P applications like BitTorrent, which require you to open and forward ports on your hardware firewall - the extra layer of protection afforded by a software firewall is critical.

    You may be able to optimize Outpost by removing plugins like the DNS cache, if you have them installed, and minimizing Outpost to just the minimalist firewall. Unfortunately, with the number of connections P2P applications make, though, it puts a lot of load on your firewall.

    P2P introduces both heavy network load and security risks. The choice of which of P2P's problems to solve is up to you - it will probably run faster without Outpost in place, but it increases your risk.

    Enabling the SPI firewall on your WRT54GS is a great idea. I don't think it will have any adverse effects on your BitTorrent speeds, but you have to experiment with that. I've never had mine turned off, and my BitTorrents run just fine.
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