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DNS DoS ???
- Subject: DNS DoS ???
- From: frnkblk at iname.com (Frank Bulk)
- Date: Sat, 30 Jul 2011 20:09:18 -0500
- In-reply-to: <[email protected]>
- References: <CACRGtSOSPm12YE3S=n801ooun32VrXsRfP7yqO55kcHMSnss9A@mail.gmail.com> <[email protected]>
More good stuff here: http://www.team-cymru.org/Services/Resolvers/
Frank
-----Original Message-----
From: Dobbins, Roland [mailto:rdobbins at arbor.net]
Sent: Friday, July 29, 2011 5:40 PM
To: NANOG list
Subject: Re: DNS DoS ???
On Jul 30, 2011, at 1:51 AM, Elliot Finley wrote:
> my DNS servers were getting slow so I blocked recursive queries for all
but my own network.
This should be the standard practice. By operating an open recursor, you
lend your DNS server to abuse as a contributor to DNS
reflection/amplification attacks.
-----------------------------------------------------------------------
Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>
The basis of optimism is sheer terror.
-- Oscar Wilde
- References:
- DNS DoS ???
- From: efinley.lists at gmail.com (Elliot Finley)
- DNS DoS ???
- From: rdobbins at arbor.net (Dobbins, Roland)