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  1. #1
    Master Untangler
    Join Date
    Jul 2008
    Location
    Germany
    Posts
    140

    Default NAT Rule weirdness / pitfall

    Hi all,
    possibly someone can explain it to me: I have added a NAT rule

    Code:
    <dst-ip>,<dst-ports>,<source-ip> auto nat
    that opened the dst-ip/port for the world!

    other way round,

    Code:
    <source-ip>,<dst-ip>,<dst-ports> auto nat
    works as expected (see attached image: rule 14 good, rule 15 bad).

    Why that?? For me it is semantically identical. How to avoid those pitfalls?

    Bildschirmfoto 2021-09-15 um 21.38.08.png

    Thanks in advance,
    Frank

    PS: Untangle version is 16.3.2
    Last edited by frust; 09-15-2021 at 01:01 PM. Reason: version info

  2. #2
    Untangle Ninja sky-knight's Avatar
    Join Date
    Apr 2008
    Location
    Phoenix, AZ
    Posts
    26,163

    Default

    That is not normal, those flags are connected with a logical AND, and order should be irrelevant.

    I'd open a ticket with Support and let them take a peek.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

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