Re: DNS SPOOF query response with ttl: 1 min. and no authority

[John Sage <jsage () finchhaven com>]

/* loves posting to his own posts */

John Sage wrote:

> David:
>
> David E. Gianndrea wrote:
>
> > Could some one explain what this alert means.
> >
> > DNS SPOOF query response with ttl: 1 min. and no authority


<snippage>

> For this snort rule (and one other in dns.rules) the lack of any 
> authority records, combined with a TTL of 1 represents the problem.


Note that this is a DNS Time-To-Live, regarding the length of time that 
the Resource Record should be cached by the client...

...not the more commonly seen IP TTL, which relates to the number of 
hops a packet gets before it's smooshed.


- John


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