[Bug 221137] FreeBSD 11+ does not send ICMP redirects

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Tue Aug 1 11:09:14 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221137

--- Comment #3 from Andrey V. Elsukov <ae at FreeBSD.org> ---
(In reply to igorr from comment #2)
> But it is good to have ICMP redirects without special tweaks.
> Everything worked in 9.X, and I have checked that 10.3 also sends ICMP
> redirects.

Yes, it was broken with ip_tryforward introduction. But I don't like the
solution  with M_SKIP_FIREWALL. This flag can be used by pfil module and
clearing it can break something. I prefer to reintroduce sysctl variable to
disable tryforward.

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