[Samba] Follow up info Re: SOLVED Re: ntpq -p ***Request timed out

L.P.H. van Belle belle at bazuin.nl
Mon Mar 2 00:27:52 MST 2015


> The "ntp" portion is creating a 'interface ignore ipv6' entry in the
> /etc/ntp.conf file.  

That is one of the options you can configure..
  
## restrict ntpd bind to which interfaces.
## choose, multple options are allowed.
## the options are:  lo eth(0..9) wildcard ipv6
NTPD_RESTRICT_INTERFACE="lo eth0"
NTPD_RESTRICT_INTERFACE_IGNORE="wildcard ipv6"

I'll add more info here. 


Greetz, 

Louis


>-----Oorspronkelijk bericht-----
>Van: bob at donelsontrophy.net 
>[mailto:samba-bounces at lists.samba.org] Namens Bob of Donelson Trophy
>Verzonden: zondag 1 maart 2015 15:58
>Aan: samba at lists.samba.org
>Onderwerp: [Samba] Follow up info Re: SOLVED Re: ntpq -p 
>***Request timed out
>
> 
>
>I have discovered specifically why this happens. 
>
>Some parts of scripts have been shared and used back and forth. This
>issue is within the scripts. 
>
>The "ntp" portion is creating a 'interface ignore ipv6' entry in the
>/etc/ntp.conf file. 
>
>I think the issue is in this part of the code: 
>
>## restrict ntpd to interfaces
>for i in ${NTPD_RESTRICT_INTERFACE} ; do
> echo " " >> /etc/ntp.conf
> echo "interface listen ${i}" >> /etc/ntp.conf
> done
>for i2 in ${NTPD_RESTRICT_INTERFACE_IGNORE} ; do
> echo "interface ignore ${i2}" >> /etc/ntp.conf
> done 
>
>The "i2" portion of the code seems to create both a 'wildcard' and
>'ipv6' entry. Commenting out the 'ipv6' entry, restart 'ntp' and 'ntpq
>-p' then works properly. (I might be wrong.) 
>
>Simply put, it is timing out because I do not have a "ipv6" setup on my
>machines. 
>
>Just thought I should let someone know. 
>
>---
>
>-------------------------
>
>Bob Wooden of Donelson Trophy
>
>615.885.2846 (main)
>www.donelsontrophy.com [1]
>
>"Everyone deserves an award!!"
>
>On 2015-02-13 13:48, Bob of Donelson Trophy wrote: 
>
>> Thank you, Rowland. 
>> 
>> Copied your simpler ntp.conf file into my member server. Made the
>> appropriate changes. Restarted all the ntp service on all 
>machines (just
>> in case.) Ran 'ntpq -p' (on member server) and got the 
>correct answer.
>> Proper connection to DC's. 
>> ---
>> 
>> -------------------------
>> 
>> Bob Wooden of Donelson Trophy
>> 
>> 615.885.2846 (main)
>> www.donelsontrophy.com [1] [1 [1]]
>> 
>> "Everyone deserves an award!!"
>> 
>> On 2015-02-13 11:50, Rowland Penny wrote:
>> 
>>> On 13/02/15 17:26, Bob of Donelson Trophy wrote: Copied 
>Roweland's DC ntp.conf file into my two DC's. Restarted (all) 
>ntp. Member still timing out! (I am starting to think that 
>there is 'something' about the sernet packages that "they" do 
>differently.) Rowland, Could I ask you to copy the ntp.conf 
>from your client (appears to be your laptop) so I could review 
>it's contents? --- ------------------------- Bob Wooden of 
>Donelson Trophy 615.885.2846 (main) www.donelsontrophy.com [1] 
>[1 [1]] [1 [1]] "Everyone deserves an award!!" On 2015-02-13 
>10:55, Rowland Penny wrote: On 13/02/15 16:43, Bob of Donelson 
>Trophy wrote: Made the suggested adjustments (4 locations in 
>the member server ntp.conf file) and restarted ntp. Still 
>(member server) timing out. Not sure what you mean about 
>removing "server 0.debian.pool.ntp.org iburst" lines. Those on 
>the DC's. Aren't they necessary? Running 'ntpq -p' on DC's 
>results in correct response. --- ------------------------- Bob 
>Wooden of Donelson
>  Trophy
>615.885.2846 (main) www.donelsontrophy.com [1] [1 [1]] [1
>> 
>> [1]] [3
>> [1]] "Everyone deserves an award!!" On 2015-02-13 10:06, 
>L.P.H. van Belle wrote: bob. server dc02.dts***m.lan. iburst 
>prefer server dc01.dts***m.lan. iburst prefer remove the . 
>after lan and try like this server dc02.dts***m.lan server 
>dc01.dts***m.lan and optional, i advice, remove all lines : 
>server 0.debian.pool.ntp.org iburst Louis ' 
>-----Oorspronkelijk bericht----- Van: bob at donelsontrophy.net 
>[mailto:samba-bounces at lists.samba.org] Namens Bob of Donelson 
>Trophy Verzonden: vrijdag 13 februari 2015 16:56 Aan: SAMBA 
>MailList Onderwerp: [Samba] ntpq -p ***Re
>> 
>> q
>> uest timed out I have two DC's running Version 
>4.1.16-SerNet-Debian-9.wheezy and a member server running 
>Version 4.1.11-Debian. When I 'ntpq -p' from the member server 
>I get: localhost: timed out, nothing received ***Request timed 
>out Member server ntp.conf file: cat /etc/ntp.conf # Local 
>clock (this is not the localhost address!) server 127.127.1.0 
>fudge 127.127.1.0 stratum 10 # The source, where we are 
>receiving the time from (PDC) server dc02.dts***m.lan. iburst 
>prefer server dc01.dts***m.lan. iburst prefer driftfile 
>/var/lib/ntp/ntp.drift logfile /var/log/ntp # Access control # 
>Default restriction restrict default ignore # Allow everything 
>from localhost restrict 127.0.0.1 # Allow that our time source 
>can only provide time and do nothing else rest r ict 
>dc02.dts***m.lan. mask 255.255.255.255 nomodify notrap nopeer 
>noquery restrict dc01.dts***m.lan. mask 255.255.255.255 
>nomodify notrap nopeer noquery The ntp.conf from one of the 
>DC's: cat /etc/ntp.conf # /etc/ntp.conf,
>configuration for ntpd; see ntp.conf(5) for help driftfile 
>/var/lib/ntp/ntp.drift # Enable this if you want statistics to 
>be logged. #statsdir /var/log/ntpstats/ statistics loopstats 
>peerstats clockstats filegen loopstats file loopstats type day 
>enable filegen peerstats file peerstats type day enable 
>filegen clockstats file clockstats type day enable # You do 
>need to talk to an NTP server or two (or three). #server 
>ntp.your-provider.example # pool.ntp.org maps to about 1000 
>low-stratum NTP servers. Your server will # pick a different 
>set every time it starts up. Please consider joining the # 
>pool: <http://www.pool.ntp.org/join.html [2] [2 [2]] [2 [2]] 
>[1 [2]]> server 0.debian.pool.ntp.org iburst server 
>1.debian.pool.ntp.org iburst server 2.debian.pool.ntp.org ib
>
> urst ser
>
>v
>
>> er 3.debian.pool.ntp.org iburst # Access control 
>configuration; see /usr/share/doc/ntp-doc/html/accopt.html for 
># details. The web page 
><http://support.ntp.org/bin/view/Support/AccessRestrictions 
>[3] [3 [3]] [3 [3]] [2 [3]]> # might also be helpful. # # Note 
>that "restrict" applies to both servers and clients, so a 
>configuration # that might be intended to block requests from 
>certain clients could also end # up blocking replies from your 
>own upstream servers. # By default, exchange time with 
>everybody, but don't allow configuration. restrict -4 default 
>kod notrap nomodify nopeer noquery restrict -6 default kod 
>notrap nomodify nopeer noquery # Local users may interrogate 
>the ntp server more closely. restrict 127.0.0.1 restrict ::1 # 
>Clients from this (example!) subnet have unlimited access, but 
>only if # cryptographically authenticated. restrict 
>192.168.1*6.0 mask 255.255.255.0 notrust # If you want to 
>provide time to your local subnet, change the next line. # 
>(Again, the ad
> dress is
>
> an
>example
>
> o
>
>> nly.) br oadcast 192.168.1*6.255 # If you want to listen to 
>time broadcasts on your local subnet, de-comment the # next 
>lines. Please do this only if you trust everybody on the 
>network! disable auth broadcastclient Went to ntp.org to see 
>if I could troubleshoot. Did as they suggested and got same 
>result. Their troubleshooting page indicated that most issues 
>are connected to DNS issues between machines. Did some 
>'nslookup' from each DC to the member and vise versa. DNS 
>returns correct results. Looked to confirm I do NOT have a 
>firewall running on any device. Not at this time. Member 
>server time keeps drifting and I need to correct this. Any 
>ideas? -- ------------------------- Bob Wooden of Donelson 
>Trophy 615.885.2846 (main) www.donelsontrophy.com [1] [1 [1]] 
>[1 [1]] [3 [1]] [1 [3]] "Everyone deserves an award!!" Links: 
>------ [1] http://www.donelsontrophy.com [1] [1 [1]] [1 [1]] 
>[3 [1]] -- To unsubscribe from this list go to the following 
>URL and read the instructions:
>
>https://lists.samba.org/mailman/options/samba [4] [4 [4]]
>
> [
>
>> 4] [4 [4]] Links: ------ [1] 
>http://www.pool.ntp.org/join.html [2] [2 [2]] [2 [2]] [2] 
>http://support.ntp.org/bin/view/Support/AccessRestrictions [3] 
>[3 [3]] [3 [3]] [3] http://www.donelsontrophy.com [1] [1 [1]] 
>[1 [1]] [4] https://lists.samba.org/mailman/options/samba [4] 
>[4 [4]] [4 [4]] You do not seem to have this line in your 
>ntp.conf: ntpsigndsocket /var/lib/samba/ntp_signd/ and what is 
>the '*' doing in these lines ? restrict 192.168.1*6.0 mask 
>255.255.255.0 notrust broadcast 192.168.1*6.255 This is my 
>ntp.conf from a DC: server 127.127.1.0 fudge 127.127.1.0 
>stratum 10 server 0.pool.ntp.org iburst prefer driftfile 
>/var/lib/ntp/ntp.drift logfile /var/log/ntp ntpsigndsocket 
>/var/lib/samba/ntp_signd/ restrict default kod nomodify notrap 
>nopeer mssntp restrict 127.0.0.1 restrict ::1 restrict 
>0.pool.ntp.org mask 255.255.255.255 nomodify notrap nopeer 
>noquery and with this, I get this from a linux client: 
>rowland at ThinkPad ~/test $ ntpq -p remote refid st t when poll reach de
> lay
>offset jitter
>
>===============================================================
>===============
>*dc01.example.com 79.132.231.104 3 u 94 128 377 0.960 -1.772 2.521
>+dc02.example.com 108.61.56.35 3 u 101 128 377 0.942 2.210 
>2.457 Rowland
>Links: ------ [1] http://www.donelsontrophy.com [1] [1 [1]] [2]
>http://www.pool.ntp.org/join.html [2] [2 [2]] [3]
>http://support.ntp.org/bin/view/Support/AccessRestrictions [3] [3 [3]]
>[4] https://lists.samba.org/mailman/options/samba [4] [4 [4]]
>
>OK, only changed the domain name
>
>driftfile /var/lib/ntp/ntp.drift
>statistics loopstats peerstats clockstats
>filegen loopstats file loopstats type day enable
>filegen peerstats file peerstats type day enable
>filegen clockstats file clockstats type day enable
>server dc01.example.com.
>server dc02.example.com.
># By default, exchange time with everybody, but don't allow
>configuration.
>restrict -4 default kod notrap nomodify nopeer noquery
>restrict -6 default kod notrap nomodify nopeer noquery
>
># Local users may interrogate the ntp server more closely.
>restrict 127.0.0.1
>restrict ::1
>
>Rowland
>
>Links:
>------
>[1] http://www.donelsontrophy.com [1]
>[2] http://www.pool.ntp.org/join.html [2]
>[3] http://support.ntp.org/bin/view/Support/AccessRestrictions [3]
>[4] https://lists.samba.org/mailman/options/samba [4]
> 
>
>Links:
>------
>[1] http://www.donelsontrophy.com
>[2] http://www.pool.ntp.org/join.html
>[3] http://support.ntp.org/bin/view/Support/AccessRestrictions
>[4] https://lists.samba.org/mailman/options/samba
>-- 
>To unsubscribe from this list go to the following URL and read the
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>



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