On Wednesday 31 Aug 2011 19:10:51 Michael D. Berger wrote:
> I looked on another box on the LAN, a CentOS 5, and I saw nothing
> like it. I am guessing that it is a new feature of kde or something
> else in CentOS that is malfunctioning. In a sense it is harmless, but
> creates useless noise on the net (it goes to outside dns servers)
> and replaces something that should be doing something. I'll post
> on the CentOS list.
>
I've investigated this further, since it intrigued me. On my CentOS 6 box I
installed wireshark, then set the time server to one of my local boxes.
Wireshark shows attempts to connect, failing with "Destination unreachable
(Host administratively prohibited) which I take to mean a firewall problem. I
shan't bother to correct that, as I wouldn't want that box to be the
timeserver anyway :-)
At that point I reset the configuration to a pool timeserver and continued
watching. I see a number of SSDP packets between 192.168.0.1 and
239.255.255.250 followed by negotiations between my ISP's preferred nameserver
and an address that must be the timeserver, and a successful interchange. At
no point do I see anything like what you have described, so that suggests to
me that you have a configuration problem.
Incidentally, I don't have 'whois' at my disposal, and it's not contained in
net-tools. If you know where it is, please tell me.
Anne
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