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How do I configure a SonicWall firewall to allow Hamachi?

    If you have a SonicWall firewall, you may be encountering one of two scenarios.

    • Consistently relayed connections (blue icon)
    • Direct connection (green icon) at first, then switching to a relayed connection shortly thereafter

    This can be remedied by enabling a SonicWall feature called Consistent NAT. Consistent NAT enhances standard NAT policy to provide greater compatibility with peer-to-peer applications that require a consistent IP address to connect to.

    This setting is usually located under SonicWall VOIP settings

    Note: :If this does not completely resolve the issue, you may also need to perform port forwarding. Please see the Hamachi ports article for details.
    Article last updated: 27 September, 2022