Define rules using FQDN in NeT Firewall

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This topic contains 3 replies, has 2 voices, and was last updated by  Kon 11 years, 8 months ago.

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  • Author
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  • #4990

    scsigo
    Participant

    How to define rules using FQDN instead of ip addresses?

    #5955

    Kon
    Participant

    Hi.

    You can use domain name to create Rule using Wizard. You can also use aliases.

    Just create alias(http://www.google.com) with google subnet or range.

    #5956

    scsigo
    Participant

    It doesn’t really work in my case.

    I have to allow someone, who is using xDSL broadband line where the IP address is dynamically allocated each time when he connects to his ISP, to a computer. Even though I have used a 3rd party service, no-ip.com, to create a permanent FQDN, I still have to modify the ip address in the aliase each time.

    #5957

    Kon
    Participant

    You can allow subnet of DSL provider.

    It is not possible to filter traffic using domain names (as you have mentioned they may change frequently and resolving DNS entries for each packet would decrease firewall perfomance greatly).

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