Comcast, dynamic DNS service

[Jeff Kinz]

On Mon, Apr 03, 2006 at 03:37:58PM -0400, Ben Scott wrote:
> On 4/3/06, Jeff Kinz <jkinz at kinz.org> wrote:
> > Up on dslreports forums some people are claiming that other ISP
> > complained to Comcast that C. customers where dragging down the other
> > ISP DNS severs since so many were using them.
> 
>   Ummm....
> 
> http://www.zytrax.com/books/dns/ch7/queries.html#allow-query
> 
>   My experience with the dslreports forums is that they can be useful
> to get one started looking for something, but ultimately distribute
> more misinformation than your average Iraqi information minister...


That sounds like an accurate assessment. :-)

> 
> > They speculated that would be a reason to block or
> > redirect some DNS traffic.
> 
>   The only reason I can think of to block UDP 53 would be some kind of
> widespread DDoS attack against the root or GTLD servers, and even
> then, that would likely be a temporary measure.  (The root's briefly
> blocked ping for a little due to that reason.)
> 
> -- Ben
> 
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-- 
Jeff Kinz, Emergent Research, Hudson, MA.
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