Hello. I'm a new user of PowerDNS and first time writing to this group.
I have questions regarding IXFR. I have a problem in my lab where pdns is refusing IXFR requests to check current serial of a master zone in pdns. This seems to appear when IXFR is requested over UDP. PowerDNS Authoritative Server 4.4.0-alpha3 Here's how I test the same scenario with dig. Successful IXFR request - this also show up in pdns logs dig example.com ixfr=1 ; <<>> DiG 9.11.3-1ubuntu1.13-Ubuntu <<>> example.com ixfr=1 @10.10.1.10 ;; global options: +cmd example.com. 3600 IN SOA ns1.example.com. example.com. 1 10800 3600 604800 3600 ;; Query time: 3 msec ;; SERVER: 10.10.1.10#53(10.10.1.10) ;; WHEN: Mon Nov 23 12:01:15 CET 2020 ;; XFR size: 1 records (messages 1, bytes 117) Non successful IXFR request forcing udp - pdns logging event in log-dns-queries dig example.com ixfr=1 +notcp ; <<>> DiG 9.11.3-1ubuntu1.13-Ubuntu <<>> example.com ixfr=1 @10.10.1.10 +notcp ;; global options: +cmd ;; Query time: 1 msec ;; SERVER: 10.10.1.10#53(10.10.1.10) ;; WHEN: Mon Nov 23 12:02:34 CET 2020 ;; MSG SIZE rcvd: 41 PowerDNS log pdns[32522]: Remote 10.10.1.91 wants 'example.com|IXFR', do = 0, bufsize = 1232 (4096): packetcache MISS Best regards, Sebastian
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