But to answer your question, off-hand, I'd say that any TTL under 60s is =
suspicious and any TTL under 10s is almost certainly intentionally =
abusive.
On 09.02.18 23:11, John Levine wrote:
I hope you're not planning to do much spam filtering.
do you have any evidence where enforcing a 5s mi
On 2018-02-09 (21:11 MST), John Levine wrote:
>
> In article you write:
>> For the record, the issue is not RBLs or legitimate domains, it is =
>> spammer scum that set super-low DNS because they are shotgunning spam =
>> from a a vast botnet and they want to have maximal impact, so you get a =
In article ,
Grant Taylor wrote:
> On 02/09/2018 09:37 AM, Barry Margolin wrote:
> > As long as you understand the implications of what you're doing?
>
> I don't think my level of understanding has any impact of my ability to
> override what the zone publisher sets the desired TTL (or any valu
In article you write:
>The target, instead of very quickly rejecting the spam because of the =
>lack of a domain or the lack of DNS, instead has to deal with thousands =
>of different IPs.
That's not how spam filters work. They do filtering based on the IP
address sending the spam and maybe the
Ok, so I've never used forwarders (actually, that's not strictly true;
I've used them twice, but it was to work around weird issues, and I
felt dirty), but couldn't increasing the TTL cause stupid
configuration issues to become immortal RRs?
I've seen a number of instances where people who *do* fo
But to answer your question, off-hand, I'd say that any TTL under 60s is
=
suspicious and any TTL under 10s is almost certainly intentionally =
abusive.
On 09.02.18 23:11, John Levine wrote:
I hope you're not planning to do much spam filtering.
On Sat, Feb 10, 2018 at 2:42 PM, Matus UHLAR -
On 02/10/2018 12:15 PM, Barry Margolin wrote:
Just because you have the right to do something doesn't mean it's a
reasonable thing to do.
I never meant to imply that it was the reasonable thing to do.
I meant to imply that it is my choice how I run my servers.
And if you're offering a service
On 2018-02-10 (12:15 MST), Barry Margolin wrote:
>
> Just because you have the right to do something doesn't mean it's a
> reasonable thing to do.
No one has made an argument that would imply this is not reasonable.
> And if you're offering a service, you have responsibilities to your customer
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