But due to another ridiculous way of implementing that, the Juniper KB article 
suggests to also allow:
<router-loopback-address>;
and not only your favorite ntp servers...

Because if you don't do it, you'll obtain some nice "Server Timeout" if you 
want to issue a "show ntp status" or "show ntp associations".
So:
- Junos doesn't use 127.0.0.1 to locally communicate with ntpd
- In you filters you're obliged to manually authorize internal private IP 
traffic used by the CLI and that doesn't even leave the RE

Another fine design...


-- 
Olivier


Le 14 janv. 2014 à 03:10, John Kristoff <[email protected]> a écrit :

> On Tue, 14 Jan 2014 12:38:12 +1100
> Mark Tees <[email protected]> wrote:
> 
>> Can we get detailed lo0 filters listed too please?
> 
> Hi Mark,
> 
> While I'll defer to Juniper for their recommendations, we've had this
> for some time (scroll down to the Juniper section):
> 
>  <http://www.team-cymru.org/ReadingRoom/Templates/secure-ntp-template.html>


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