[Pdns-users] PDNS 3.3 flood
Hello! There is a problem with work pdns 3.3 in nx-domain flood (15kqps)- very slow answers or no answers. Backend answers very fast (unbound) and not affected by this type of flood. pdns-server3.3.1 linux debian 7.1 How can i fix it? allow-axfr-ips=127.0.0.1 allow-recursion=XX, ::1, ::/0, ::1/128, config-dir=/etc/powerdns daemon=yes disable-axfr=no distributor-threads=1 guardian=yes launch=bind bind-config=/etc/powerdns/namedb/named.conf bind-check-interval=300 local-address=127.0.0.1, XX local-ipv6=::1 local-port=53 log-dns-details=yes log-failed-updates=no logging-facility=2 loglevel=4 module-dir=/usr/lib/powerdns queue-limit=1500 receiver-threads=4 setgid=pdns setuid=pdns slave=yes socket-dir=/var/run webserver=yes webserver-address=XX webserver-password=XX webserver-port=8081 version-string=4.9.8 do-ipv6-additional-processing=yes ___ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users
[Pdns-users] Strange Server Fail
Hello! I have strange servfail: 11 14.899135000 111.111.111.111 -> 192.168.11.32 DNS 86 Standard query 0x8f7d A vpn.corbina.net 12 14.899238000 192.168.11.32 -> 111.111.111.111 DNS 155 Standard query response 0x8f7d A 78.107.1.52 A 78.107.1.50 A 78.107.1.51 A 85.21.0.66 A 78.107.1.49 13 37.507843000 111.111.111.111 -> 192.168.11.32 DNS 86 Standard query 0x024e A vpn.corbina.net 14 37.510843000 192.168.11.32 -> 111.111.111.111 DNS 155 Standard query response 0x024e A 78.107.1.51 A 85.21.0.66 A 78.107.1.50 A 78.107.1.49 A 78.107.1.52 15 66.801731000 111.111.111.111 -> 192.168.11.32 DNS 86 Standard query 0xcd2a A vpn.corbina.net 16 66.801887000 192.168.11.32 -> 111.111.111.111 DNS 75 Standard query response 0xcd2a Server failure 17 72.972029000 111.111.111.111 -> 192.168.11.32 DNS 86 Standard query 0xa693 A vpn.corbina.net 18 72.972189000 192.168.11.32 -> 111.111.111.111 DNS 75 Standard query response 0xa693 Server failure 19 75.549483000 111.111.111.111 -> 192.168.11.32 DNS 86 Standard query 0x49db A vpn.corbina.net #dig vpn.corbina.net ; <<>> DiG 9.9.4 <<>> vpn.corbina.net ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59603 ;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;vpn.corbina.net. IN A ;; ANSWER SECTION: vpn.corbina.net.60 IN A 85.21.0.66 vpn.corbina.net.60 IN A 78.107.1.51 vpn.corbina.net.60 IN A 78.107.1.50 vpn.corbina.net.60 IN A 78.107.1.49 vpn.corbina.net.60 IN A 78.107.1.52 ;; Query time: 6 msec ;; SERVER: 213.234.192.7#53(213.234.192.7) ;; WHEN: Wed Feb 12 00:57:00 MSK 2014 ;; MSG SIZE rcvd: 113 = allow-from=0.0.0.0/0 threads=5 forward-zones=local=127.0.0.1 local-address=127.0.0.2,192.168.10.32,192.168.11.32 log-common-errors=no max-cache-entries=100 quiet=yes version-string=dns1 p #lua-dns-script=/usr/local/etc/pdns/dns.lua disable-packetcache=no max-packetcache-entries=300 single-socket=off = pdns-recursor 3.5.3-1 (from powerdns.com) Linux Debian Wheezy. amd64 ___ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users
Re: [Pdns-users] recursor resolv ERROR
$ dig +short my.smsfeedback.ru @78.108.89.252 click.smsbliss.ru. $ dig +short click.smsbliss.ru @ns1.nameself.com 79.125.121.14 All fine, bind resolves this domain, unbound too, but pdns-recursor - not. 2010/8/26 bert hubert : > On Thu, Aug 26, 2010 at 11:48:21AM +0400, Dmitry Rybin wrote: >> Pdns-recursor cann't resolv my.smsfeedback.ru and some other zones: > > Hi Dmitry, > > $ dig my.smsfeedback.ru @78.108.89.252 > > This is the ns2.majordomo.ru, and it returns an NXDOMAIN for > my.smsfeedback.ru, which means 'no such domain'. > > I suggest you contact smsfeedback.ru or majordomo.ru administrators. > > Changing this in powerdns would not improve things. > > Bert > >> >> >> pdns-recursor-3.2 (FreeBSD port build). >> isc-bind-9.7 >> >> 127.0.0.1 - bind >> >> dig @127.0.0.1 my.smsfeedback.ru >> >> ; <<>> DiG 9.6.2-P2 <<>> @127.0.0.1 my.smsfeedback.ru >> ; (1 server found) >> ;; global options: +cmd >> ;; Got answer: >> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1553 >> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 >> >> ;; QUESTION SECTION: >> ;my.smsfeedback.ru. IN A >> >> ;; ANSWER SECTION: >> my.smsfeedback.ru. 3600 IN CNAME click.smsbliss.ru. >> click.smsbliss.ru. 3600 IN A 79.125.121.14 >> >> ;; Query time: 97 msec >> ;; SERVER: 127.0.0.1#53(127.0.0.1) >> ;; WHEN: Thu Aug 26 11:46:16 2010 >> ;; MSG SIZE rcvd: 80 >> >> 127.0.0.2 - PDNS-RECURSOR >> >> dig @127.0.0.2 my.smsfeedback.ru >> >> ; <<>> DiG 9.6.2-P2 <<>> @127.0.0.2 my.smsfeedback.ru >> ; (1 server found) >> ;; global options: +cmd >> ;; Got answer: >> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40314 >> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0 >> >> ;; QUESTION SECTION: >> ;my.smsfeedback.ru. IN A >> >> ;; ANSWER SECTION: >> my.smsfeedback.ru. 3600 IN CNAME click.smsbliss.ru. >> >> ;; AUTHORITY SECTION: >> . 3600 IN SOA ns.majordomo.ru. >> support.majordomo.ru. 2004032900 3600 900 360 3600 >> >> ;; Query time: 49 msec >> ;; SERVER: 127.0.0.2#53(127.0.0.2) >> ;; WHEN: Thu Aug 26 11:46:48 2010 >> ;; MSG SIZE rcvd: 120 >> ___ >> Pdns-users mailing list >> Pdns-users@mailman.powerdns.com >> http://mailman.powerdns.com/mailman/listinfo/pdns-users >> > ___ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users
[Pdns-users] recursor resolv ERROR
Pdns-recursor cann't resolv my.smsfeedback.ru and some other zones: pdns-recursor-3.2 (FreeBSD port build). isc-bind-9.7 127.0.0.1 - bind dig @127.0.0.1 my.smsfeedback.ru ; <<>> DiG 9.6.2-P2 <<>> @127.0.0.1 my.smsfeedback.ru ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1553 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;my.smsfeedback.ru. IN A ;; ANSWER SECTION: my.smsfeedback.ru. 3600IN CNAME click.smsbliss.ru. click.smsbliss.ru. 3600IN A 79.125.121.14 ;; Query time: 97 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Aug 26 11:46:16 2010 ;; MSG SIZE rcvd: 80 127.0.0.2 - PDNS-RECURSOR dig @127.0.0.2 my.smsfeedback.ru ; <<>> DiG 9.6.2-P2 <<>> @127.0.0.2 my.smsfeedback.ru ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40314 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;my.smsfeedback.ru. IN A ;; ANSWER SECTION: my.smsfeedback.ru. 3600IN CNAME click.smsbliss.ru. ;; AUTHORITY SECTION: . 3600IN SOA ns.majordomo.ru. support.majordomo.ru. 2004032900 3600 900 360 3600 ;; Query time: 49 msec ;; SERVER: 127.0.0.2#53(127.0.0.2) ;; WHEN: Thu Aug 26 11:46:48 2010 ;; MSG SIZE rcvd: 120 ___ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users
