Subject: Re: Reducing error packets sent back.
To: None <firstname.lastname@example.org>
From: Darren Reed <email@example.com>
Date: 01/21/2000 19:00:29
In some mail from firstname.lastname@example.org, sie said:
> >Should we be thinking of adding a knob to control how frequently
> >NetBSD sends out ICMP unreachables ? Below I've got a patch which
> >I just hacked up (untested :) which provides a knob in sysctl to
> >control how often to actually send an ICMP error back. I've added
> >a patch which uses the same knob for ICMP6 (an ICMP error is an
> >ICMP error, be it v4 or v6).
> I think ICMPv6 part is not necessary, because KAME code hs
> rate limiting code for ICMPv6 errors. This is mandatory from
> RFC2463 page 5. see sys/netinet6/icmp6.c:icmp6_ratelimit().
> sysctl knob is net.inet6.icmp6.errratelimit. I think you are doing
> exactly the same thing.
Right. In that case, the name for inet4 should be the same as that for