Re: Question about "max-zone-ttl" in dnssec-policy

2021-09-21 Thread Evan Hunt
On Tue, Sep 21, 2021 at 03:11:30PM +0200, Tom wrote: > The documentation says, that "any record encountered with a TTL higher > than max-zone-ttl is capped at the maximum permissible TTL value". > > Is the documentation wrong here? It does appear to be wrong, yes. It also differs from the behav

Re: Question about "max-zone-ttl" in dnssec-policy

2021-09-21 Thread Tom
Hi Matthijs Thank you for your explanation. The documentation says, that "any record encountered with a TTL higher than max-zone-ttl is capped at the maximum permissible TTL value". Is the documentation wrong here? Thank you. Kind regards, Tom On 21.09.21 09:47, Matthijs Mekking wrote: H

Re: Preventing a particular type of nameserver abuse

2021-09-21 Thread Peter Coghlan
I started this thread back in April in response to high levels of abuse of my nameserver. A short summary of the discussion which resulted is that bind does not provide any way of preventing abuse I was experiencing. (The abuse was clearly designed to get past any use of rate-limiting to mitigate

Re: Question about "max-zone-ttl" in dnssec-policy

2021-09-21 Thread Matthijs Mekking
Hi Tom, The max-zone-ttl is there to calculate the right timings for key rollovers. It won't alter the zone TTL values. You should set the max-zone-ttl to whatever the highest TTL is in your zone to make sure key rollovers timings are correct. This value exists until we have added code to t