Non_coperative nameserver
Bharat Rawat Binwal
bharatrawat_bit at rediffmail.com
Mon Sep 24 07:05:16 UTC 2001
Dear Barry,
Thanks for ur info on setting MAXIMUM TTL at complie time but i wish to
r=
eframe my query as =
Can we set any MINIMUM TTL value in BIND,so that even if any RR with TTL
=
less than this value return as an answer i can store it to my value
If BIND dont rpovide this kind of facility or configuration can u
suggest=
any other nameserver with this kind of offer
Follow up is waited anxiously
Bharat
On Thu, 20 Sep 2001 Barry Margolin wrote :
>In article <9ocmva$pvu at pub3.rc.vix.com>,
>Bharat Rawat Binwal <bharatrawat_bit at rediffmail.com> =
>wrote:
>>
>>Hello all,
>>
>>I want to have a non-coperative nameserver setting =
>for experimental purp=3D
>>oses.As per my knowledge non-coperative nameserver are =
>those nameserver w=3D
>>hich keep the dns query result in their cache =
>according to a value set by=3D
>> them rather than obeying the TTL values for that RR.
>>So can anybosy help me in setting a non-coperative =
>nameserver.
>
>BIND doesn't have any built-in mechanism to ignore the =
>TTL. I think
>there's a compile-time option to configure a maximum =
>TTL, so any TTL above
>this will be capped at that amount. But no way to =
>configure a single TTL
>for everything.
>
>BIND is open source, and it should be pretty easy to =
>find the line of code
>where it copies the TTL from a response into the cached =
>record, and replace
>it with a setting of your choosing.
>
>-- =
>Barry Margolin, barmar at genuity.net
>Genuity, Woburn, MA
>*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post =
>them to newsgroups.
>Please DON'T copy followups to me -- I'll assume it =
>wasn't posted to the group.
>
=
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