Date: Tue, 7 Jun 2016 11:47:33 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: krad <kraduk@gmail.com> Cc: "stable@freebsd.org" <stable@freebsd.org> Subject: Re: unbound and ntp issuse Message-ID: <20160607084733.GM75630@zxy.spb.ru> In-Reply-To: <CALfReye2A8XBcjSg%2BB0Z7_j4HJsF9h7EAEjAW4Li2F5c=846YA@mail.gmail.com> References: <20160602122727.GB75625@zxy.spb.ru> <44lh2mi0k5.fsf@lowell-desk.lan> <20160603191523.GE75630@zxy.spb.ru> <44y46ie92p.fsf@lowell-desk.lan> <20160606135018.GL75630@zxy.spb.ru> <CALfReye2A8XBcjSg%2BB0Z7_j4HJsF9h7EAEjAW4Li2F5c=846YA@mail.gmail.com>
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On Tue, Jun 07, 2016 at 09:00:29AM +0100, krad wrote: > Well there is a deadlock situation there so you have to relax one of the > conditions, for one time at least. > > Your best bet is to do a manual ntpdate against a fixed ip of known > goodness. If you have a lot of machines you need to do this on, use ansible > or similar to do the heavy lifting for you. Ansible is best in my opinion > if you dont have anything setup as its quick to get going. It does require > python on the target machines so you would need to install that first. > Something like the following should get it working (as you dont have dns on > the target machine, package fetches wont work, so i would tunnel a squid > proxy and let that handle all the internet stuff. > > add something like the following to your ssh_config > > Host * > RemoteForward 31280 squid_server:3128 > > then run some stuff like this (after installing ansible on your > desktop/bastion host) > > ansible -b -m raw -a '/usr/bin/env ASSUME_ALWAYS_YES=1 http_proxy= > http://127.0.0.1:31280 /usr/sbin/pkg bootstrap -f' -u root -i > <host_list_file> -kS --ask-su-pass > > ansible -b -m raw -a 'env ASSUME_ALWAYS_YES=YES http_proxy= > http://127.0.0.1:31280 pkg install python' -u root -i <host_list_file> > -kS --ask-su-pass > > ansible -m shell -a "ntpdate <good_ntp_server_ip>" -kS --ask-su-pass -i > <host_list_file> > > from here on you should be able to start unbound and then ntpd eg > > ansible -m service -a "name=local_unbound state=restarted" > -kS --ask-su-pass -i <host_list_file> > ansible -m service -a "name=ntpd state=restarted" -kS --ask-su-pass -i > <host_list_file > > Alternatively you could just relax your dnssec rules on first boot to give > ntp a chance. Probably much easier 8) How I am do it? I am don't touch dnssec rules and don't know unbound. May be this is posible by startup scripts? Also, some platforms lack of CMOS time, RPi, for example. > Also make sure you are using the '-g' flag on ntpd Yes, I am add `ntpd_sync_on_start=yes` to rc.conf. I am suggest do it by checkbox in bsdinstall. > On 6 June 2016 at 14:50, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: > > > On Mon, Jun 06, 2016 at 09:33:02AM -0400, Lowell Gilbert wrote: > > > > > Slawa Olhovchenkov <slw@zxy.spb.ru> writes: > > > > > > > On Fri, Jun 03, 2016 at 02:34:18PM -0400, Lowell Gilbert wrote: > > > > > > > >> Slawa Olhovchenkov <slw@zxy.spb.ru> writes: > > > >> > > > >> > Default install with local_unbound and ntpd can't be functional with > > > >> > incorrect date/time in BIOS: > > > >> > > > > >> > Unbound requred correct time for DNSSEC check and refuseing queries > > > >> > ("Jul 1 20:17:29 yellowrat unbound: [3444:0] info: failed to prime > > > >> > trust anchor -- DNSKEY rrset is not secure . DNSKEY IN") > > > >> > > > > >> > ntpd don't have any numeric IP of ntp servers in ntp.conf -- only > > > >> > symbolic names like 0.freebsd.pool.ntp.org, as result -- can't > > > >> > resolve (see above, about DNSKEY). > > > >> > > > >> I can't see how this would happen. DNSSEC doesn't seem to be required > > in > > > >> a regular install as far as I can see. Certainly I don't have any > > > > > > > > I don't know reasson for enforcing DNSSEC in regular install. > > > > I am just select `local_unbound` at setup time and enter `127.0.0.1` as > > > > nameserver address. > > > > > > That's not enough to configure unbound as a fully recursive DNS > > > server. > > > > What I am missing? > > Need to fix unbound setup scripts? bsdinstall scripts? > > As I see unbound setup scripts detects 127.0.0.1 in resolv.conf and > > configured unbound as fully recursive DNS server. > > > > > If your system gets its address through DHCP, it is probably > > > getting DNS server addresses as well, and would work fine *without* your > > > configuring any of the DNS state. > > > > I am have static address and don't getting DNS server address. > > > > > >> problem on any of my systems, and I've never configured an anchor on > > the > > > >> internal systems. > > > >> > > > >> > IMHO, ntp.conf need to include some numeric IP of public ntp > > servers. > > > >> > > > >> Ouch; that's a terrible idea, for several different reasons. > > > > > > > > What else? > > > > > > All the normal reasons that hard-coding IP addresses is a bad idea; they > > > can change, you're encouraging a lot of people to use the same ones, etc. > > > > And how to resolve this issuse: > > > > - default install with unbound as recursive DNS server (by default > > enforcing DNSSEC) > > - ntp time synchronisation > > - stale CMOS time (2008 year) > > _______________________________________________ > > freebsd-stable@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > >
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