resolver timeout + application timeout : LDAP and slow prim. nameserver ..

Brad Knowles brad at stop.mail-abuse.org
Fri Aug 12 19:11:55 UTC 2005


At 3:06 PM +0200 2005-08-12, Claus van de Vlierd wrote:

>     b) unfortunately sometimes our prim. nameserver answers rather slowly

	So list the secondary nameserver first.

>     c) HOW can we change that (besides of course making the prim. nameserver
>      quicker ..) ?!

	Either list the secondary nameserver first, or fix the primary nameserver.

>      is there any possibility in the "/etc/resolv.conf" (under RedHat AS3) to
>      give a "timeout" shorter than the timeout for the application
>       (like e.g. "sendmail") so that the application "has still time"
>      to switch to the sec. nameserver ?!

	Not unless you want change the source code to sendmail, and the 
other applications, etc....

	You can't fix this from within the resolver.

-- 
Brad Knowles, <brad at stop.mail-abuse.org>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

     -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
     Assembly to the Governor, November 11, 1755

   SAGE member since 1995.  See <http://www.sage.org/> for more info.



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