iptables error while creating new rules (or changing existing ones) -> Failed to execute command

  • I was trying to add a firewall rule for mariadb on the port 3306 and I noticed the firewall is acting weird not letting me add or modify any rule..giving me the Failed to execute command routine as you can see from the error code down here.


    I don't think is something strictly related with iptable, but I'm getting this problem only with it at the moment.


    Any suggestion on how to solve this?


    • Offizieller Beitrag

    The best would be to open /etc/network/if-pre-up.d/openmediavault-iptables and check the iptables rules manually for correctness. The firewall rules UI is really simple, so there might be situations where OMV does not create correct rules.

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