[time] security issues with open port 123/udp?

Pablo Sanchez pablo
Wed Sep 29 21:36:49 UTC 2004

> -----Original Message-----
> From: timekeepers-bounces at fortytwo.ch
> [mailto:timekeepers-bounces at fortytwo.ch]On Behalf Of Adrian
> 'Dagurashibanipal' von Bidder
> Sent: Wednesday, September 29, 2004 3:27 PM
> To: timekeepers at fortytwo.ch
> Subject: Re: [time] security issues with open port 123/udp?
> >restrict default noquery
> Two things:
>  - the amount of information available is, imho, quite limited -
> basically
> the OS/kernel version and the ntpd version, IIRC.

I think OS/kernel version is quite important though.  For example, if I had
a set of hack scripts (which I don't), I would key off of the OS/kernel

>  - I, and many other people, like to see what upstream time
> servers a time
> source has configured to judge reliability. I do not require this for
> membership in the pool, but it also helps me debug problems when the pool
> monitoring system marks a server unreachable but I can still reach it.

I understand your POV.  If you'd like me to remove my IP from the pool, I
will.  Just let me know and I'll send you a personal e-mail with my IP


More information about the pool mailing list