Re: (no subject)
Burak Ozalp <[email protected]> Wed, 26 Aug 2015 16:00:47 +0300
| Newsgroups | gmane.network.dns.powerdns.devel |
|---|---|
| Message-ID | <[email protected]> |
It works! Thank you for all. I did when i want finally. Best Regards Burak Ozalp Alinti bert hubert <[email protected]> > Hi Burak, > > I just tested this: > > addLocal("0.0.0.0:5200") > newServer("192.168.1.2") > > function blockFilter(remote, qname, qtype, dh) > dh:setTC(true) > dh:setQR(true) > return false > end > > And I get this output: > > $ dig ds9a.nl @127.0.0.1 -p 5200 > ;; Truncated, retrying in TCP mode. > > ; <<>> DiG 9.9.5-3ubuntu0.4-Ubuntu <<>> ds9a.nl @127.0.0.1 -p 5200 > ;; global options: +cmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64932 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 > > ;; QUESTION SECTION: > ;ds9a.nl. IN A > > ;; ANSWER SECTION: > ds9a.nl. 349 IN A 82.94.213.34 > > ;; Query time: 1 msec > ;; SERVER: 127.0.0.1#5200(127.0.0.1) > ;; WHEN: Wed Aug 26 14:14:31 CEST 2015 > ;; MSG SIZE rcvd: 41 > > Can you try as well? > > Bert > > On Wed, Aug 26, 2015 at 09:16:33AM +0300, Burak Ozalp wrote: >> I did not run " sudo service pdns start", so i didn't bind >> 0.0.0.0:53 on same host. Also i can run addAnyTCRule() perfectly, >> and it rejects ANY queries well >> (i.e;root@burak-desktop:/home/burak# dig any google.com @127.0.0.1 >> ;; Truncated, retrying in TCP mode. >> ;; communications error: end of file). >> >> My main problem is that i couldn't manage to work dnsdistconf.lua as >> I want even if with the command ( dnsdist --local 0.0.0.0:53 >> 192.168.0.1 --config dnsdistconf.lua ). >> >> >> Alinti Aki Tuomi <[email protected]> >> >> >Well, technically if you are already listening on 192.168.0.1:53 >> >you cannot bind on 0.0.0.0:53 on *same* host. >> > >> >Aki >> > >> >On Wed, Aug 26, 2015 at 08:50:47AM +0300, Burak Ozalp wrote: >> >>In another terminal i run the following command; >> >> >> >>dnsdist --local 0.0.0.0:53 192.168.0.1 >> >> >> >>Is it wrong ? >> >> >> >>Alinti Aki Tuomi <[email protected]> >> >> >> >>>Did you put dnsdist in front of powerdns instance? Is it listening on >> >>>127.0.0.1:53? >> >>> >> >>>Aki >> >>> >> >>>On Tue, Aug 25, 2015 at 04:39:55PM +0300, Burak Ozalp wrote: >> >>>>This is my dig output; >> >>>>dig google.com @127.0.0.1 >> >>>>; <<>> DiG 9.9.5-3ubuntu0.4-Ubuntu <<>> google.com @127.0.0.1 >> >>>>;; global options: +cmd >> >>>>;; Got answer: >> >>>>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2143 >> >>>>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 5 >> >>>> >> >>>>;; OPT PSEUDOSECTION: >> >>>>; EDNS: version: 0, flags:; udp: 4096 >> >>>>;; QUESTION SECTION: >> >>>>;google.com. IN A >> >>>> >> >>>>;; ANSWER SECTION: >> >>>>google.com. 167 IN A 216.58.209.14 >> >>>> >> >>>>;; AUTHORITY SECTION: >> >>>>google.com. 30662 IN NS ns4.google.com. >> >>>>google.com. 30662 IN NS ns1.google.com. >> >>>>google.com. 30662 IN NS ns2.google.com. >> >>>>google.com. 30662 IN NS ns3.google.com. >> >>>> >> >>>>;; ADDITIONAL SECTION: >> >>>>ns1.google.com. 30944 IN A 216.239.32.10 >> >>>>ns2.google.com. 10757 IN A 216.239.34.10 >> >>>>ns3.google.com. 12219 IN A 216.239.36.10 >> >>>>ns4.google.com. 40489 IN A 216.239.38.10 >> >>>> >> >>>>;; Query time: 17 msec >> >>>>;; SERVER: 127.0.0.1#53(127.0.0.1) >> >>>>;; WHEN: Tue Aug 25 16:16:23 EEST 2015 >> >>>>;; MSG SIZE rcvd: 191 >> >>>> >> >>>> >> >>>>Alinti bert hubert <[email protected]> >> >>>> >> >>>>>Does it print out anything at all? >> >>>>> >> >>>>>Can you show a 'dig' command that shows TC:0 response and no >> fallback to >> >>>>>TCP/IP? >> >>>>> >> >>>>>Thanks! >> >>>>> >> >>>>>On Tue, Aug 25, 2015 at 02:52:33PM +0300, Burak Ozalp wrote: >> >>>>>>Dear Bert; >> >>>>>> >> >>>>>>Firstly, thanks a lot for fast and illustrative replies. i learned a >> >>>>>>lot of things. But i have a problem again :( >> >>>>>>I change the dnsdistconf.lua file blockfilter() function as: >> >>>>>>function blockFilter(remote, qname, qtype, dh) >> >>>>>> >> >>>>>> print("any query, tc=1") >> >>>>>> dh:setTC(true) >> >>>>>> dh:setQR(true) >> >>>>>> >> >>>>>> if(qname:isPartOf(block)) >> >>>>>> then >> >>>>>> print("Blocking *.powerdns.org") >> >>>>>> return true >> >>>>>> end >> >>>>>> return false >> >>>>>>end >> >>>>>> >> >>>>>>then i did re-installation and run dnsdist. However, nothing >> >>is changed.. >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>>Alinti bert hubert <[email protected]> >> >>>>>> >> >>>>>>>sent from the wrong account first, sorry. >> >>>>>>> >> >>>>>>>>Begin forwarded message: >> >>>>>>>> >> >>>>>>>>Subject: Re: [Pdns-dev] How to set PowerDNS Server with >> >>>>option any-to-tcp >> >>>>>>>>From: bert hubert <[email protected]> >> >>>>>>>>Date: 25 Aug 2015 12:39:05 CEST >> >>>>>>>>Cc: Aki Tuomi <[email protected]>, >> [email protected] >> >>>>>>>>To: Burak Ozalp <[email protected]> >> >>>>>>>> >> >>>>>>>> >> >>>>>>>>>On 25 Aug 2015, at 12:24, Burak Ozalp >> >><[email protected]> wrote: >> >>>>>>>>> >> >>>>>>>>>Thanks Bert, >> >>>>>>>>> >> >>>>>>>>>I installed dnsdist. with addAnyTCRule() i can easily do pdns >> >>>>>>>>>any-to-tcp(). However, i couldn't manage to do for all types >> >>>>>>>>>of queries. Should I patch the conf file ? >> >>>>>>>> >> >>>>>>>> >> >>>>>>>>Hi Burak, >> >>>>>>>> >> >>>>>>>>Try: >> >>>>>>>> >> >>>>>>>>"The blockFilter() also gets passed read/writable copy of the >> >>>>>>>>DNS Header. If you invoke setQR(1) on that, dnsdist knows you >> >>>>>>>>turned the packet into a response, and will send the answer >> >>>>>>>>directly to the original client. >> >>>>>>>> >> >>>>>>>>If you also called setTC(1), this will tell the remote client to >> >>>>>>>>move to TCP/IP, and in this way you can implement ANY-to-TCP >> >>>>>>>>even for downstream servers that lack this feature.? >> >>>>>>>> >> >>>>>>>>See: >> https://github.com/PowerDNS/pdns/blob/master/pdns/README-dnsdist.md#any-or-whatever-to-tc >> >>>>>>>> >> >>>>>>>> >> >>>>>>>>just call setQR(1) and setTC(1) on the header field of >> >>>>>>>>blockFilter() and you are done. >> >>>>>>>> >> >>>>>>>>Good luck! >> >>>>>>>> >> >>>>>>>> >> >>>>>>>> >> >>>>>>>>> >> >>>>>>>>>Best Regards >> >>>>>>>>>Burak Ozalp >> >>>>>>>>> >> >>>>>>>>>Alinti bert hubert <[email protected]> >> >>>>>>>>> >> >>>>>>>>>>Hi Burak, >> >>>>>>>>>> >> >>>>>>>>>>dnsdist can do this easily, please see http://dnsdist.org/ >> >>>>>>>>>>for more details. >> >>>>>>>>>>It can set TC on any criterium. >> >>>>>>>>>> >> >>>>>>>>>>Good luck! >> >>>>>>>>>> >> >>>>>>>>>> Bert >> >>>>>>>>>> >> >>>>>>>>>>On Tue, Aug 25, 2015 at 09:59:12AM +0300, Burak Ozalp wrote: >> >>>>>>>>>>>Dear Tuomi, >> >>>>>>>>>>> >> >>>>>>>>>>>Yes it works.Does it possible to force all UDP request with >> >>>>>>>>>>>truncated packet, and force all to use TCP ? >> >>>>>>>>>>> >> >>>>>>>>>>>Best Regards >> >>>>>>>>>>>Burak Ozalp >> >>>>>>>>>>> >> >>>>>>>>>>> >> >>>>>>>>>>> >> >>>>>>>>>>>Alinti Aki Tuomi <[email protected]> >> >>>>>>>>>>> >> >>>>>>>>>>>>On Mon, Aug 24, 2015 at 03:36:02PM +0300, Burak Ozalp wrote: >> >>>>>>>>>>>>>I install PowerDNS with MySql backend from here.I >> >>would like to set >> >>>>>>>>>>>>>any-to-tcp=yes for PowerDNS Server. I tried to configure >> >>>>>>>>>>>>>/etc/powerdns/pdns.conf file and add a line >> >>"any-to-tcp=yes". This >> >>>>>>>>>>>>>option should reject UDP request from client and >> >>force to use tcp. >> >>>>>>>>>>>>>But when i run dig @127.0.0.1 it doesn't set the >> truncated bit in >> >>>>>>>>>>>>>response, so it doesn't work. >> >>>>>>>>>>>>> >> >>>>>>>>>>>>>How to set correctly any-to-tcp option ? >> >>>>>>>>>>>>> >> >>>>>>>>>>>> >> >>>>>>>>>>>>It only truncates ANY query, try dig any domain.com @localhost >> >>>>>>>>>>>> >> >>>>>>>>>>>>> >> >>>>>>>>>>>>>_______________________________________________ >> >>>>>>>>>>>>>Pdns-dev mailing list >> >>>>>>>>>>>>>[email protected] >> >>>>>>>>>>>>>http://mailman.powerdns.com/mailman/listinfo/pdns-dev >> >>>>>>>>>>>>> >> >>>>>>>>>>>> >> >>>>>>>>>>> >> >>>>>>>>>>> >> >>>>>>>>>>> >> >>>>>>>>>>> >> >>>>>>>>>>>_______________________________________________ >> >>>>>>>>>>>Pdns-dev mailing list >> >>>>>>>>>>>[email protected] >> >>>>>>>>>>>http://mailman.powerdns.com/mailman/listinfo/pdns-dev >> >>>>>>>>>>> >> >>>>>>>>>> >> >>>>>>>>> >> >>>>>>>>> >> >>>>>>>>> >> >>>>>>>>> >> >>>>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>> >> >>>> >> >>>> >> >>>> >> >>>> >> >>>>_______________________________________________ >> >>>>Pdns-dev mailing list >> >>>>[email protected] >> >>>>http://mailman.powerdns.com/mailman/listinfo/pdns-dev >> >>>> >> >>> >> >> >> >> >> >> >> >> >> > >> >> >> >> >