Does bridge mode monitor or control traffic?

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jsmith

• February 09, 2023 17:33
• Edited

Hi everyone. I'm looking into options for a friend that will add a Firewalla box onto his existing set up --it will be placed between his firewall and lan--. Can you tell me if bridge mode simply monitors/informs you of traffic related information or does it provide blocking, etc. based on the rules you set? (yes I'm aware it won't be a full-on firewall as such when in bridge mode) Thanks, hopefully my question makes sense.

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  Firewalla

  • February 09, 2023 17:35

  It can do both monitoring and control. More on this here https://help.firewalla.com/hc/en-us/articles/1500012304202-Firewalla-Transparent-Bridge-Mode

   

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  jsmith

  • February 09, 2023 17:39

  Thank you much. Also, does bandwidth tend to take much of a hit when doing it this way? Cheers.

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  Firewalla

  • February 09, 2023 19:02

  Not really, routing / bridging performance is the same. 

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  jsmith

  • February 09, 2023 19:07
  • Edited

  Thanks! Ok final question, if I may. Can this be done with two lans? I see the FWA Gold has 4 ports (maybe lan 1 in, lan 1 out, lan 2 in, lan 2 out)? Cheers.

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  Firewalla

  • February 09, 2023 21:56

  You can use VLAN's with the bridges, but NOT two LAN's with different network on them. 

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  jsmith

  • February 09, 2023 22:07

  Thank you :)

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  Brad Salt

  • February 13, 2023 15:30

  Piggybacking on this... do the firewall rules still apply when it comes to ingress traffic or is it passing all traffic from the edge router/FW? Specifically, using port forwarding as an example, which is setup on the external router/FW. Do I also need to setup forwarding on FWG to allow this traffic or is it passed? Also wondering if  GEOIP blocking still works. 

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  Firewalla

  • February 13, 2023 16:59

  Anything that's going through the bridge can be controlled and monitored. See this article for details https://help.firewalla.com/hc/en-us/articles/1500012304202-Firewalla-Transparent-Bridge-Mode

   

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  Brad Salt

  • February 14, 2023 18:50

  I have read that doc and it answers the second question about GEOIP since it is egress traffic. However, it doesn't answer the first with regard to port forwarding. I think the answer is that I do not need to setup forwarding on Firewalla since the forwarding on the edge router/fw will be NAT'd to the internal address which will be passed by the Firewalla bridge. Do I have this correct, or do I still need to setup the port forwarding in Firewalla also?   

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  Firewalla

  • February 15, 2023 01:11

  When firewalla is a bridge, it doesn't understand port forwarding ... everything is pretty transparent (well, you may need port forward to it when use VPN Server)

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