ICMPv6 "too-big" packets ignored (filtered ?) by Cloudflare farms

Tue Mar 5 16:23:33 UTC 2019

On Tue, Mar 5, 2019 at 10:09 AM Bjørn Mork <bjorn at mork.no> wrote:
> Stephen Satchell <list at satchell.net> writes:
> > Did you submit a bug report?
>
> I believe this was fixed 5 years ago (in Linux v3.17):
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb1ce2ef387b01686469487edd45994872d52d73
>
> But RHEL and CentOS are using kernels from the stone age, so they
> haven't noticed yet.

For those who might need this feature, and have a Red Hat contract, a
suggestion:

If you submit a ticket, someone at Red Hat might backport the patch for you.