Same source port queries dropped by ServerIron load balancer

Barry Margolin barmar at alum.mit.edu
Fri Apr 2 01:19:44 UTC 2010


In article <mailman.1048.1270148466.21153.bind-users at lists.isc.org>,
 Kevin Darcy <kcd at chrysler.com> wrote:

> Re-use of source ports for DNS queries is a bad security practice. I 
> cast my vote in favor of penalizing it, in the default configuration of 
> any device that responds to DNS requests.

It's really not the job of a load balancer or server to force clients to 
use good security practices.

I suspect this is actually a bug, but the vendor is using the security 
value of it as an excuse to lower its priority.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***



More information about the bind-users mailing list