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custom iptables version monitor plugin #844

Merged
merged 1 commit into from
Jan 3, 2024

Commits on Dec 21, 2023

  1. custom plugin to monitor iptables versions rules

    iptables has two kernel backends, legacy and nft.
    
    Quoting https://developers.redhat.com/blog/2020/08/18/iptables-the-two-variants-and-their-relationship-with-nftables
    
    > It is also important to note that while iptables-nft
    > can supplant iptables-legacy, you should never use them simultaneously.
    
    However, we don't want to block the node operations because of this
    reason, as there is no enough evidence this is causing big issues in the
    wild, so we just signal and warn about this situation.
    
    Once we have more information we can revisit this decision and
    keep it as is or move it to permanent.
    aojea committed Dec 21, 2023
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