option TCP_RFC7413 is not in GENERIC

Mark Felder feld at FreeBSD.org
Fri Mar 16 21:44:47 UTC 2018

On Fri, Mar 16, 2018, at 11:11, Ian Lepore wrote:
> On Fri, 2018-03-16 at 16:04 +0000, Patrick Kelsey wrote:
> > The current thinking is that users who care
> > about such performance differences are dealing with extreme workloads that
> > already motivate them to compile their own kernels, or are working with
> > very resource-constrained platforms, so the way forward is to keep the
> > TCP_RFC7413 kernel option around and enable it by default for the
> > server-class platforms (armd64 and arm64).
> I have no idea what TCP_RFC7413 even is, but I know I was forced to add
> it to my kernel config when I installed the bind911 package during a
> recent upgrade.  This is on a tiny NUC for which saturating even one of
> its gbe interfaces would count as "extreme workload". :)

Funny, BIND911 is what sent me down this rabbit hole as well.

Thanks for the feedback and information, all! Look forward to these improvements :-)

  Mark Felder
  ports-secteam & portmgr member
  feld at FreeBSD.org

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