On Mon, 16 Jul 2001, Matt Dillon wrote:
> Interesting. He describes in the section about 'expiring glue'
> creating loops in the DNS server, but doesn't mention a particular
> bug.
>
> However, there's another section where he mentions something about
> bind reducing the TTL by 5% for certain credibility cases.
>
> Going back to my original posting... the NS is 2016 and fuji
> is 1846 = 170 = 5%.
>
> I think This credibility stuff reducing the TTL in named is
> responsible for these blowups. I am going to email the bind group
> with this whole mess to see what they have to say.
>
> -Matt
I wish you luck in getting it fixed. That 5% may have been intended for
removal; 8.1.2 used to reduce the TTL by 5% for _each_ query. That was
clearly removed for 8.2, but perhaps the initial decrement was forgotten.
However, the problem probably indicates a more serious problem in 8.x's
resolver, which may be fixed in 9 and is not intended to be backported. I
guess Mark'll have to answer that. (He seems to read and reply to
-security, so he appears reachable.)
Mike "Silby" Silbersack
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