> On Sep 12, 2018, at 11:11 AM, Mark Nottingham <mnot@mnot.net> wrote:
>
>
>
>> On 12 Sep 2018, at 9:06 am, Ben Campbell <ben@nostrum.com> wrote:
>>
>> Hi Mark,
>>
>> Just one comment-question :-)
>>>>
>
>>>> §2.1.3: The guidance for max-age in the security considerations section
>>>> suggests 30 days is a good value. But the directive is specified in seconds.
>>>> Does that make sense? Would a 1 second max-age ever be reasonable? Or even 30
>>>> days + 1 second?
>>>
>>> Pretty much everything in HTTP is done at second granularity; deviating from that would be odd IMO.
>>
>> I certainly don’t have all the HTTP uses of time intervals loaded in my head--are time intervals on the order of “1 month” commonly used elsewhere?
>
> In that sort of syntax, no. The desired semantic is often something like that, but the syntax is almost invariably integer-number-of-seconds.
I’m not entirely sure I follow, but I think you are saying that it is common to have month-long time intervals that are specified in seconds. Is that correct?
In any case, it’s a non-blocking comment. If there’s good reason (e.g. “the parsers all already understand seconds”) to do this in seconds I’m okay with it.
>
> Cheers,
>
>
>
> --
> Mark Nottingham https://www.mnot.net/
>