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IPv6 enabled by default causes indifferent error message (no hint to missing IPv6 support) #343

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olk opened this issue Nov 25, 2023 · 1 comment
Open

IPv6 enabled by default causes indifferent error message (no hint to missing IPv6 support) #343

olk opened this issue Nov 25, 2023 · 1 comment

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@olk
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olk commented Nov 25, 2023 •
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Hi, I'm using crowdsec-firewall-bouncer-nftables. I get errors in the log like:

time="25-11-2023 22:16:19" level=info msg="backend type : nftables"
time="25-11-2023 22:16:19" level=fatal msg="conn.Receive: netlink receive: operation not supported"

What are the required kernel options for crowdsec-firewall-bouncer-nftables?
@olk olk changed the title required (nft) kernel options? required kernel options? Nov 29, 2023
@olk olk changed the title required kernel options? required kernel options missing Nov 29, 2023
@olk
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olk commented Dec 7, 2023 •
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I found out, that IPv6 is enabled per default in the crowdsec-firewall-bouncer.yaml.
But I've completely disabled IPv6 in my kernel. I suggest you test for IPv6 and write out a specific warning/error message ...

@olk olk changed the title required kernel options missing IPv6 enabled by default causes indifferent error message (no hint to missing IPv6 support) Dec 7, 2023
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@olk