knot-dns-users

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738 discussions

by Anand Buddhdev

Hi Knot developers, I have another question about journals. I've noticed that for one zone, the journal size is 9M (with my configured limit at 10M). Now, I see this each time in the logs: 2014-12-15T07:56:02 notice: [103.in-addr.arpa] journal is full, flushing 2014-12-15T08:13:09 notice: [103.in-addr.arpa] journal is full, flushing 2014-12-15T08:16:35 notice: [103.in-addr.arpa] journal is full, flushing 2014-12-15T08:20:27 notice: [103.in-addr.arpa] journal is full, flushing It looks like once a journal is close to the maximum size, then it just remains at that size, with the result that each time an IXFR comes in, and overflows the journal, Knot wants to flush the changes to disk immediately. Does Knot discard old records from the journal at this point? Anand

10 let, 8 měsíců

zlib dependency

by Matthias-Christian Ott

Knot DNS depends on zlib to calculate Adler-32 checksums. A comment in crc.h states that it “should be removed”. I want to use knsupdate on OpenWRT and would also like to remove the dependency. Unfortunately, there is no single library that provides only Adler-32 checksums and every examined software either relies on zlib or its bundled implementation of varying quality and speed. Other projects seem to use CRC32C because there is an instruction to calculate it in the SSE4.2 instruction set. But again there is no library that only implements only CRC32C checksums. Switching to CRC32C would also make the journal format incompatible. I'm inclined to just copy the reference implementation from RFC 1950 for my purposes but wanted to check with the upstream maintainers whether there are any plans or ideas. It would also be nice if the configure script would have an option to not include and compile unused functionality from libknot and libzscanner to minimize binaries sizes. - Matthias-Christian

10 let, 9 měsíců

failed (connection refused)

by Eric Kom

Good day All, Please I got a connection refused when trying to setup a master and slave on the same network. THIS IS AN EXTRACT FROM MY MASTER KNOT.CONF remotes { masterOnKnot { address 41.134.2.2@53; } slaveOnKnot { address 41.134.2.3@53; } } zones { storage "/var/lib/knot"; metropolitanbuntu.co.za { file "/var/lib/knot/db.metropolitanbuntu.co.za"; xfr-out slaveOnKnot; notify-out slaveOnKnot; } } root@ns1:~# knotc reload OK root@ns1:~# grep knot /var/log/syslog Nov 27 07:10:41 ns1 knotd[469]: error: [metropolitanbuntu.co.za] IXFR, outgoing, 41.134.194.89@50151: failed to start (not allowed) Nov 27 07:10:41 ns1 knotd[469]: 2014-11-27T07:10:41 error: [metropolitanbuntu.co.za] IXFR, outgoing, 41.134.194.89@50151: failed to start (not allowed) Nov 27 08:08:09 ns1 knotd[469]: error: [metropolitanbuntu.co.za] IXFR, outgoing, 41.134.194.89@49111: failed to start (not allowed) Nov 27 08:08:09 ns1 knotd[469]: 2014-11-27T08:08:09 error: [metropolitanbuntu.co.za] IXFR, outgoing, 41.134.194.89@49111: failed to start (not allowed) Nov 27 09:27:33 ns1 knotd[469]: info: remote control, received command 'reload' Nov 27 09:27:33 ns1 knotd[469]: info: reloading configuration Nov 27 09:27:34 ns1 knotd[469]: info: configuration reloaded Nov 27 09:27:34 ns1 knotd[469]: info: [metropolitanbuntu.co.za] loaded, serial 2014102701 -> 2014112700 Nov 27 09:27:34 ns1 knotd[469]: warning: [metropolitanbuntu.co.za] NOTIFY, outgoing, 41.134.2.3@53: failed (connection refused) Nov 27 09:29:46 ns1 knotd[469]: info: remote control, received command 'reload' Nov 27 09:29:46 ns1 knotd[469]: info: reloading configuration Nov 27 09:29:47 ns1 knotd[469]: info: configuration reloaded Nov 27 10:13:37 ns1 knotd[469]: info: remote control, received command 'reload' Nov 27 10:13:37 ns1 knotd[469]: info: reloading configuration Nov 27 10:13:37 ns1 knotd[469]: info: configuration reloaded Nov 27 10:14:15 ns1 knotd[469]: info: remote control, received command 'reload' Nov 27 10:14:15 ns1 knotd[469]: info: reloading configuration Nov 27 10:14:15 ns1 knotd[469]: info: configuration reloaded Nov 27 10:14:15 ns1 knotd[469]: info: [metropolitanbuntu.co.za] loaded, serial 2014112700 -> 2014112701 Nov 27 10:14:15 ns1 knotd[469]: warning: [metropolitanbuntu.co.za] NOTIFY, outgoing, 41.134.2.3@53: failed (connection refused) THIS IS AN EXTRACT FROM MY SLAVE KNOT.CONF remotes { masterOnKnot { address 41.134.2.2@53; } slaveOnKnot { address 41.134.2.3@53; } } zones { # This is a default directory to place slave zone files, journals etc. # default: ${localstatedir}/lib/knot, configured with --with-storage # storage "/var/lib/knot"; # # # Example slave zone metropolitanbuntu.co.za { file "/var/lib/knot/db.metropolitanbuntu.co.za"; xfr-in masterOnKnot; notify-in masterOnKnot; } } root@ns2:~# knotc reload OK root@ns2:~# grep knot /var/log/syslog Nov 27 08:28:15 ns2 knotd[397]: notice: [metropolitanbuntu.co.za] NOTIFY, incoming, 41.134.194.89@10548: unauthorized request Nov 27 08:28:15 ns2 knotd[397]: notice: [metropolitanbuntu.co.za] NOTIFY, incoming, 41.134.194.89@13456: unauthorized request Nov 27 08:28:15 ns2 knotd[397]: notice: [metropolitanbuntu.co.za] NOTIFY, incoming, 41.134.194.89@60566: unauthorized request Nov 27 08:47:30 ns2 knotd[397]: notice: [metropolitanbuntu.co.za] NOTIFY, incoming, 41.134.194.89@54094: unauthorized request Nov 27 09:28:36 ns2 knotd[397]: info: remote control, received command 'reload' Nov 27 09:28:36 ns2 knotd[397]: info: reloading configuration Nov 27 09:28:36 ns2 knotd[397]: info: [metropolitanbuntu.co.za] zone will be bootstrapped, serial 0 Nov 27 09:28:36 ns2 knotd[397]: info: configuration reloaded Nov 27 09:28:36 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:28:36 ns2 knotd[397]: 2014-11-27T09:28:36 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:29:01 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:29:01 ns2 knotd[397]: 2014-11-27T09:29:01 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:29:54 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:29:54 ns2 knotd[397]: 2014-11-27T09:29:54 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:30:02 ns2 knotd[397]: info: remote control, received command 'reload' Nov 27 09:30:02 ns2 knotd[397]: info: reloading configuration Nov 27 09:30:02 ns2 knotd[397]: info: configuration reloaded Nov 27 09:31:49 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:31:49 ns2 knotd[397]: 2014-11-27T09:31:49 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:31:56 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:31:56 ns2 knotd[397]: 2014-11-27T09:31:56 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:32:34 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:32:34 ns2 knotd[397]: 2014-11-27T09:32:34 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:34:15 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:34:15 ns2 knotd[397]: 2014-11-27T09:34:15 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:37:59 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:37:59 ns2 knotd[397]: 2014-11-27T09:37:59 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:45:29 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 09:45:29 ns2 knotd[397]: 2014-11-27T09:45:29 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 10:00:45 ns2 knotd[397]: error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 10:00:45 ns2 knotd[397]: 2014-11-27T10:00:45 error: [metropolitanbuntu.co.za] AXFR, incoming, 41.134.2.2@53: failed (connection refused) Nov 27 10:14:26 ns2 knotd[397]: info: remote control, received command 'reload' Nov 27 10:14:26 ns2 knotd[397]: info: reloading configuration Nov 27 10:14:26 ns2 knotd[397]: info: configuration reloaded -- -- Kind Regards Eric Kom Senior IT Manager - Metropolitan Schools _________________________________________ / You are scrupulously honest, frank, and \ | straightforward. Therefore you have few | \ friends. / ----------------------------------------- \ \ .--. |o_o | |:_/ | // \ \ (| Kom | ) /'\_ _/`\ \___)=(___/ 2 Hennie Van Till, White River, 1240 Tel: 013 750 2255 | Fax: 013 750 0105 | Cell: 078 879 1334 erickom(a)kom.za.net | erickom(a)metropolitancollege.co.za www.kom.za.net | www.kom.za.org | www.erickom.co.za Key fingerprint: 513E E91A C243 3020 8735 09BB 2DBC 5AD7 A9DA 1EF5

10 let, 9 měsíců

When will you remove the limitation that a zone be signed by a KSK and ZSK ?

by Olafur Gudmundsson

In your documentation you say: Single-Type Signing Scheme is not supported. I only want to sign with a single key in some cases, i.e. there is no value in having the split as updating my parent is easy. Olafur

10 let, 9 měsíců

Rhel 6.3 RPM ?

by Lynch Davis

I am looking around for an rpm deployment since I have a "hardened" box that I wanted to install this on. Was going to try to build my own, but it looks like libucru is not readily available for the this distribution either. help or links? Thanks, Lynch

10 let, 9 měsíců

synchronized processing for specific RR Type

by Lynch Davis

Hi - I was reading on the faq about zone events serialization. Has this feature been implemented? I am experimenting with a processing that would require this feature, and if I could simply add a query processor and specify serialization, a majority of my problem (I think) would be solved. I have yet to explore the full feature set of the query_processor to know if this is a correct statement, but I am hopefull. Thanks, Lynch

10 let, 10 měsíců

Knot DNS 1.6.0 (final release)

by Jan Včelák

Hello everyone! CZ.NIC Labs proudly presents the final release of Knot DNS 1.6.0. This version also becomes an LTS (Long-term support) version of the Knot DNS software. We added two more bugfixes on top of the features covered by the previous e-mails announcing the release candidates. And as this is the final release, let's highlight the most important changes: The only new feature in Knot 1.6.0 is 'persistent zone timers'. The refresh, expire, and flush zone timers are now stored in file-backed database. Thus, the state of the timers survives a complete restart of the server. (Please note that the feature is optional and requires the LMDB library.) The processing of letter case in RDATA domain names was modified: In most cases, the names are converted to lower-case letters. The exception are RR types, which are treated case-sensitively in DNSSEC. With this change, some Knot DNS internals were simplified and also problems with invalid signatures issued by Knot DNS for mixed-case RR sets should be gone. A few minor bugs in EDNS processing were resolved. And since the -rc2, we fixed forced zone retransfer (knotc refresh -f <zone>), which got broken at some point during 1.5 development. And we also corrected slave zone expiration, when the master is responding to SOA queries but refusing the transfer. We would like to thank Anand Buddhdev for helping us in testing the release candidates and also for reporting the last two bugs. Sources: https://secure.nic.cz/files/knot-dns/knot-1.6.0.tar.gz https://secure.nic.cz/files/knot-dns/knot-1.6.0.tar.xz GPG signatures: https://secure.nic.cz/files/knot-dns/knot-1.6.0.tar.gz.asc https://secure.nic.cz/files/knot-dns/knot-1.6.0.tar.xz.asc Best regards, Jan -- Jan Včelák, Knot DNS CZ.NIC Labs http://www.knot-dns.cz ------------------------------------------- Americká 23, 120 00 Praha 2, Czech Republic WWW: http://labs.nic.cz http://www.nic.cz

10 let, 10 měsíců

How to allow certain hosts to do AXFR?

by Rainer Duffner

Hi, is it possible to allow certain IPs to AXFR all zones? I need this for our helpdesk, so they can send zonefiles to customers etc. I don’t want knot to send ixfrs etc. to these IPs.

10 let, 10 měsíců

KNOT zone file

by Eric Kom

Hi all, I'm new on KNOT, and has been running BIND for many years now and would like to set up another master server to serve the domain metropolitanbuntu.co.za on a different network based on Debian and Knot. The Knot-DNS server its running fine: root@ns1:/etc/knot# knotc status OK The metropolitanbuntu.co.za zone was defined in the knot.conf file, just simple definition: zones { # This is a default directory to place slave zone files, journals etc. # default: ${localstatedir}/lib/knot, configured with --with-storage storage "/var/lib/knot"; # # Example master zone # example.com { # file "/etc/knot/example.com.zone"; # xfr-out slave0; # notify-out slave0; # } # # Example slave zone # example.net { # file "/var/lib/knot/example.net.zone # xfr-in master0; # notify-in master0; # } metropolitanbuntu.co.za { file "/var/lib/knot/metropolitanbuntu.co.za.zone"; } } After ran: root@ns1:/etc/knot# knotc -c knot.conf reload OK And checked the Syslog: root@ns1:/etc/knot# grep knot /var/log/syslog Oct 18 09:33:23 ns1 knotd[414]: info: remote control, received command 'refresh' Oct 18 09:33:47 ns1 knotd[414]: info: remote control, received command 'reload' Oct 18 09:33:47 ns1 knotd[414]: info: reloading configuration Oct 18 09:33:47 ns1 knotd[414]: info: [metropolitanbuntu.co.za] zone is up-to-date, serial 0 Oct 18 09:33:47 ns1 knotd[414]: info: configuration reloaded Oct 18 09:42:24 ns1 knotd[414]: info: remote control, received command 'status' Oct 18 09:45:03 ns1 knotd[414]: info: remote control, received command 'reload' Oct 18 09:45:03 ns1 knotd[414]: info: reloading configuration Oct 18 09:45:03 ns1 knotd[414]: info: [metropolitanbuntu.co.za] zone is up-to-date, serial 0 Oct 18 09:45:03 ns1 knotd[414]: info: configuration reloaded The metropolitanbuntu.co.za zone look up to date. My question is: its the zone file looks like the BIND one? do I have to create it, may be I missed the zone declaration in the Knot manual? It is possible to do the master to master replication from BIND to KNOT? Thanks for your support. -- -- Kind Regards Eric Kom Senior IT Manager - Metropolitan Schools _________________________________________ / You are scrupulously honest, frank, and \ | straightforward. Therefore you have few | \ friends. / ----------------------------------------- \ \ .--. |o_o | |:_/ | // \ \ (| Kom | ) /'\_ _/`\ \___)=(___/ 2 Hennie Van Till, White River, 1240 Tel: 013 750 2255 | Fax: 013 750 0105 | Cell: 078 879 1334 erickom(a)kom.za.net | erickom(a)metropolitancollege.co.za www.kom.za.net | www.kom.za.org | www.erickom.co.za Key fingerprint: 513E E91A C243 3020 8735 09BB 2DBC 5AD7 A9DA 1EF5

10 let, 10 měsíců

Subject: how to assign multiple addresses for one zone?

by Junyoung Park

Hi! I have a question to configure knot dns for split-dns server. (only master , no slaves) If my router have two interfaces, eth0 (connected with ISP) and eth1 (internal private). About same zone (ex. example.com), i want to responses different ways for eth0, eth1. (ex. eth0, www.example.com -> read /etc/knot/external.example.zone, eth1, www.example.com -> /etc/knot/internal.example.zone) How can i configure it?

10 let, 10 měsíců

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