From: Antonio Ojea <antonio.ojea.garcia@gmail.com>
To: netfilter@vger.kernel.org
Subject: Query on nftables DNAT for localhost-to-localhost traffic in IPv6 or without route_localnet
Date: Fri, 1 Aug 2025 00:59:15 +0200 [thread overview]
Message-ID: <CABhP=tbrKeaQCAnKHbJoWNcgTthvmAEPEOcvux_W8eztR5QT1Q@mail.gmail.com> (raw)
Hi,
We (kubernetes) are currently exploring options for port forwarding
traffic that originates from localhost and is also destined for
localhost, to redirect it to a different destination IP address and
port [1].
We can use the route_localnet sysctl parameter, however, that does not
work for IPv6.
We are trying to avoid solutions that rely on eBPF or userspace
proxies to reduce the maintenance load, and hoping to find a solution
within the kernel's networking stack.
Any guidance or suggestions you could provide would be greatly appreciated.
[1]: https://github.com/kubernetes/kubernetes/issues/132955
next reply other threads:[~2025-07-31 22:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-31 22:59 Antonio Ojea [this message]
2025-08-04 8:25 ` Query on nftables DNAT for localhost-to-localhost traffic in IPv6 or without route_localnet Florian Westphal
2025-08-11 20:08 ` Pablo Neira Ayuso
2025-08-12 11:17 ` Florian Westphal
2025-08-12 12:18 ` Pablo Neira Ayuso
2025-08-18 16:11 ` Antonio Ojea
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