[ntp:questions] Re: obtaining multicast config from ntpdc

Koos van den Hout koos at cs.uu.nl
Fri Dec 16 11:09:51 UTC 2005

Ben Fitzgerald <bmf1DELETE at ukonline.co.uk> wrote:

> I want to tell if ntpd has been configured to listen to a multicast
> stream, and if so, what address the stream is on and any other info.

Try lsof -p <pidofntpd>. Under linux, this lists (for me!) the UDP sockets
a process has opened (amongst loads of other stuff) and when joined to an
mcast group the IP of the group is listed.


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