Re: refresh: retry limit for master 10.133.253.128#53 exceeded (source 0.0.0.0#0)

2015-11-14 Thread Reindl Harald
Am 14.11.2015 um 22:45 schrieb Chris Buxton: I've seen this where a firewall blocks UDP packets between slave and master, typically because it doesn't understand EDNS. The refresh query fails, so at expiry time, it just initiates a zone transfer anyway, and that succeeds (over TCP). Checkpo

Re: refresh: retry limit for master 10.133.253.128#53 exceeded (source 0.0.0.0#0)

2015-11-14 Thread Chris Buxton
Lawrence, I've seen this where a firewall blocks UDP packets between slave and master, typically because it doesn't understand EDNS. The refresh query fails, so at expiry time, it just initiates a zone transfer anyway, and that succeeds (over TCP). Checkpoint firewalls are the most common offe