Fail2Ban warning: Address family for hostname not supported

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    Kamil Kukura

    According to https://github.com/fail2ban/fail2ban/issues/1123#issuecomment-373325016 it is supported in versions 0.10.x

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    Ivan Postnikov

    Hello @Kamil, according to fail2ban website,  0.10.x, for now, is an experimental version. When this version will become stable, it will be included in Plesk future releases.

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    Michel vd Lingen

    I would have expected this to be available for Plesk, especially considering more and more people use IPv6!
    I seriously hope this will be resolved soon.

  • Avatar
    Alexandr Redikultsev

    Hello, @Michel vd Lingen.

    This feature is already available in Plesk Onyx 17.9 that is currently in testing and development.

    The work is in progress and I updated the article with this information.

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    Learning Curve (Edited )

    IPv6 has been available for a very long time now and the amount of IPv6 errors in the Fail2Ban logs in our case is continuous and non-stop... Obviously, adding an IPv6 address into Trusted IP Addesses within Fail2Ban, doesn't work in the Fail2Ban v0.9.6 version that we have running on Plesk 17.8.11

    Can Plesk confirm if this upgrade will be accessible on Plesk Onyx 17.9 only? If so, does that then mean there will be NO Fail2Ban upgrade for all previous Plesk versions? Surely not? That would mean that only Plesk 17.9 would actually offer 100% effective, Plesk integrated Fail2ban. It's bad enough that this isn't available (via Plesk) already, as per @Michel vd Lingen post above. To then invoke IPv6 Fail2Ban 'exclusion by Plesk version' would be extremely unpopular... Fingers crossed common sense prevails!

    Relevant information, is that not everybody wants to be an early adopter of 17.9 and other future Plesk releases, often due to the complexity and associated errors when upgrading from their own previous Plesk Versions (17.5.3 > 17.8.11 wasn't an easy process for many users...)

  • Avatar
    Alexandr Redikultsev

    Hi @Learning Curve,

    As soon as it will be tested and finished in scope of Plesk Onyx 17.9, it might be backported to older versions of Plesk as well.

    It will depend on the actual demand, so your feedback here is highly appreciated!

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    Joachim

    Hi @Alexandr Redikultsev

    Any update for Plesk Onyx 17.8?

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    Artyom Baranov

    @Joachim,

    Hello! As was mentioned by Alexandr Redikultsev, the feature is being tested on Plesk 17.9 currently. Backport to Plesk 17.8 will be considered after the release of Plesk 17.9.

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    Peter Debik

    "... it might be backported to older versions of Plesk as well. It will depend on the actual demand, so your feedback here is highly appreciated!..."

    Absolutely definitely! This should even have a much higher priority than to develope the 17.9 version of Plesk, because most of us hosting providers won't immediately update to the latest Plesk version but rather wait on for the first bugfixes to complete after a "stable" 17.9. It is much more urgently needed to have IPv6 Fail2Ban support in 17.5 and 17.8.

  • Avatar
    Alisa Kasyanova

    @Peter Debik
    Thank you very much for your feedback! I have passed it to the development team.

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