Re: IXFR fallback to AXFR if diff is bigger than zone

2019-07-12 Thread Klaus Darilion
Hi Tony! Am 12.07.2019 um 13:00 schrieb Tony Finch: > Yes, that is curious. Are you sure it isn't actually doing an > IXFR-flavoured AXFR of the whole zone, rather than a delta? We have a setup with severals Bind in a row: hidden master customer (software unknown) | | V o

Re: IXFR fallback to AXFR if diff is bigger than zone

2019-07-12 Thread Tony Finch
Klaus Darilion wrote: > > I wonder how Bind as master handles IXFR when the requested IXFR would > be much than the AXFR. (For example: if you change the NSEC3 salt). > > Are there some mechanisms to detect such a situation and trigger a > fallback to AXFR or will Bind always perform IXFR? No. It

IXFR fallback to AXFR if diff is bigger than zone

2019-07-12 Thread Klaus Darilion
Hi! I wonder how Bind as master handles IXFR when the requested IXFR would be much than the AXFR. (For example: if you change the NSEC3 salt). Are there some mechanisms to detect such a situation and trigger a fallback to AXFR or will Bind always perform IXFR? thanks Klaus PS: AFAIK the max jou