Port ranges - restricting opening and closing ranges

roger peppe roger.peppe at canonical.com
Wed Aug 6 07:41:48 UTC 2014


On 5 August 2014 19:34, Gustavo Niemeyer <gustavo at niemeyer.net> wrote:
> On Tue, Aug 5, 2014 at 4:18 PM, roger peppe <rogpeppe at gmail.com> wrote:
>> close ports 80-110 -> error (mismatched port range?)
>
> I'd expect ports to be closed here, and also on 0-65536.

I'm not sure. An advantage of requiring that exactly the
same ports must be closed as were opened, you can use the port range
as a key, which makes for a very simple (and trivially concurrent-safe)
implementation in a mongo collection.

I'd suggest that this compromise is worth it. We could always make an initial
special case for 0-65535 too, if desired.



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