[ntp:hackers] NTP clients using source ports lower than 123

Colby Gutierrez-Kraybill colby at astro.berkeley.edu
Sat Dec 19 01:35:20 UTC 2009


On Dec 18, 2009, at 1:16 PM, Todd Glassey wrote:

> Brian Utterback wrote:
>> Danny Mayer wrote:
>>
>>
>>> I think that is a policy decision in which case we would need to put
>>> such a restriction into the configuration file for an admin to  
>>> apply as
>>> they see fit. In theory it should be either 123 or > 1023.
>>>
>>> Danny
>>>
>>>
>>
>> Why in the world would you disallow the other ports below 1024?
>>
> The retort could be that they are already used for predefined services
> for the most part so NTP on them would conflict with other well known
> services definitions.

And why would it be up to ntp to enforce those definitions?

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