[ntp:questions] ntpdc and collectd queries timeout

David Lord snews at lordynet.org
Fri Jan 24 11:59:59 UTC 2014


michalpurzynski1 at gmail.com wrote:
> Hello.
> 
> The ntpdc queries timeout every time on the NTP version ntp-dev-4.2.7p411 (compiled myself). Looks like the type 7 packets are blocked from localhost but I don't know why.
> 
> The same queries work on the 4.2.6 (distribution version, Debian).
> 
> I test it like this - here's a query result on 4.2.6
> 
> root at raspberrypi:~# ntpdc -c kern
> pll offset:           -0.024376 s
> pll frequency:        -49.895 ppm
> maximum error:        0.0039681 s
> estimated error:      8.071e-06 s
> status:               2001  pll nano
> pll time constant:    4
> precision:            1e-09 s
> frequency tolerance:  500 ppm
> 
> And the query on 4.2.7p411, with the same configuration file
> root at raspberrypi:~# ntpdc -c kern
> localhost: timed out, nothing received
> ***Request timed out

On NetBSD-6 i386 ntp-dev-4.2.7p410
$ ntpdc -c kern
localhost: timed out, nothing received
***Request timed out

Perhaps that is intended behavior for 2014 given recent
DDOS attacks?


David



More information about the questions mailing list