key signing

Alan Batie alan at peak.org
Tue Mar 10 23:29:47 UTC 2020


On 3/10/20 4:03 PM, Mark Andrews wrote:
> Firstly don’t blindly add DS records without first checking that the DNSKEYs
> they refer to are published.  DNSSEC is less tolerant of operator error and
> sometimes things go wrong.  There are lots of “wait until …” in managing DNSSEC
> and if you don’t wait DNSSEC validations will fail as a result as you have seen.

I have been trying to figure out a good way to validate that everything
is ready for the DS record to be published - a "zone_test" script, but
that's a separate issue.

> I see the following which indicates to me that 9675 is published but not active
> and 28998 is published and active.

Yes, those are both zone signing keys (migrating from sha1 to sha256)


> [beetle:~/git/bind9] marka% 
> 
> and with the following DS records there isn’t secure path.
> 
> cascocom.com.		85427	IN	DS	9675 5 2 EBC1B325B8740433571AC648B0925A2158D5521446DFE50402142243E834F234
> cascocom.com.		85427	IN	DS	30841 8 2 E8870853532B4CF3588FE6B4DE59324F5E99C8C40F29CDED06845321CFDAB46C
> 
> now I don’t know exactly what you did but detected error will have been logged.

I'm not sure how a DS record for 9675 got generated, as that's a zsk?

It might be better to wipe everything for this zone and start over as I
seem to have done something that got it very confused.


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