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Re: Open Resolver Problems
From: Jack Bates <jbates () brightok net>
Date: Wed, 27 Mar 2013 09:46:10 -0500
On 3/27/2013 9:34 AM, William Herrin wrote:
You'll also find that it serves little purpose. The only 2 methods for stopping DNS amplification to my knowledge are:On Wed, Mar 27, 2013 at 10:00 AM, Jack Bates <jbates () brightok net> wrote:Tracking the clients would be a huge dataset and be especially complicated in clusters. They'd be better off at detecting actual attack vectors rather than rate limiting.I count this among the several reasons I intend to wait until a solution has been accepted into the bind mainline.
1) tcp 2) require all requests to pad out to maximum response 3) BCP38 (in spirit)The first has latency, load, and connection limitations. It is just too expensive.
The second would stop amplification, however, it will not stop botnets using them in attempts to hide the bot nodes in a very effective manner. It's also unlikely that we'd ever see it implemented.
The only effective fix is still BCP38 (in spirit). Jack
Current thread:
- Re: Open Resolver Problems, (continued)
- Re: Open Resolver Problems Alain Hebert (Mar 27)
- Re: Open Resolver Problems Jared Mauch (Mar 26)
- Re: Open Resolver Problems Mark Andrews (Mar 26)
- Re: Open Resolver Problems Paul Ferguson (Mar 26)
- Re: Open Resolver Problems Mark Andrews (Mar 26)
- Re: Open Resolver Problems William Herrin (Mar 27)
- Re: Open Resolver Problems Joe Abley (Mar 27)
- Re: Open Resolver Problems Tony Finch (Mar 27)
- Re: Open Resolver Problems Jack Bates (Mar 27)
- Re: Open Resolver Problems William Herrin (Mar 27)
- Re: Open Resolver Problems Jack Bates (Mar 27)
- Re: Open Resolver Problems Mark Andrews (Mar 27)
- Re: Open Resolver Problems Tony Finch (Mar 27)
- Re: Open Resolver Problems Jack Bates (Mar 27)
- Re: Open Resolver Problems Tony Finch (Mar 27)
- Re: Open Resolver Problems Joe Abley (Mar 27)
- Re: Open Resolver Problems Valdis . Kletnieks (Mar 27)
- Re: Open Resolver Problems Tony Finch (Mar 27)
- Re: Open Resolver Problems Owen DeLong (Mar 27)
- Re: Open Resolver Problems Marco Davids (Mar 27)
- Re: Open Resolver Problems Jared Mauch (Mar 27)