Re: Dyn DDoS this AM?

[George William Herbert]

> On Oct 21, 2016, at 6:35 PM, Eitan Adler <li...@eitanadler.com> wrote:
> 
> [...]
> 
> In practice TTLs tend to be ignored on the public internet. In past
> research I've been involved with browser[0] behavior was effectively
> random despite the TTL set.
> 
> [0] more specifically, the chain of DNS resolution and caching down to
> the browser.


Yes, but that it can be both better and worse than your TTLs does not mean that 
you can ignore properly working implementations.

If the other end device chain breaks you that's their fault and out of your 
control.  If your own settings break you that's your fault.


Sent from my iPhone