NAT Outbound port range

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Stein Stein

• August 30, 2023 13:31

I'm thinking of buying a Firewalla product for my network but I'm not sure it have all the "features" I need.

My ISP provide a static IP but with a restricted port range (from X to Y while the other ports are allocated to another customers). Is there any way to reduce the outbound port range in the NAT settings? 

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  Firewalla

  • August 30, 2023 16:07

  I've personally never heard of any service provider that limits outgoing ports (or this is an incoming port?) You are probably best to run double NAT in this case and then configure how your NAT translates ports. 

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  Stein Stein

  • August 30, 2023 20:16

  Since they have a small number of ipv4 they share the same ip with 4 users assigning different range port to each one.
  Anyway, is there any way to understand what kind of setting can I do in the “NAT setting” menu? The setting I’m interested in is very easy to do in pfsense for example but I want to be sure that I can do the same in firewalla since I would like to use it as a router, and I don’t want to have a double NAT.

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  Firewalla

  • August 30, 2023 22:48

  We do not have any features today to limit or divide the NAT ports used. 

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