[CentOS] firewalld / iptables / nftables

Stephen John Smoogen

smooge at gmail.com
Tue Jun 9 12:31:56 UTC 2020


On Tue, 9 Jun 2020 at 08:19, Leon Fauster via CentOS <centos at centos.org>
wrote:

> Despite that the migration of our applications comes with a significant
> workload. It seems that also every aspect of common services had changed
> with EL8.
>
> In EL8 firewalld uses nftables as backend. I wonder why iptables does
> not list any rules while also configured to use nftables as backend.
>
> # iptables -V
> iptables v1.8.2 (nf_tables)
>
>
> # firewall-cmd --list-all |egrep -o '22|ssh'
> ssh
>
>
Maybe it's only defined to work for ipv6? Shouldn't there be 2 entries for
ssh?


> # nft list ruleset | egrep -o '22|ssh'
> ssh
>
> # iptables -L -n | egrep -o '22|ssh'
> <EMPTY>
>
> Any hints?
>
> --
> Leon
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>


-- 
Stephen J Smoogen.


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