tree aa6350b48c7fdf16066a28b8bc083eec79ec9bfe
parent ef93747aec53bb5c826e0b1316cd5d534f9b1112
author Sergiusz Bazanski <q3k@hackerspace.pl> 1567092109 +0200
committer Sergiusz Bazanski <q3k@hackerspace.pl> 1567092109 +0200

cert-manager: bump to v0.9.1

We just got this email:

We've been working with Jetstack, the authors of cert-manager, on a
series of fixes to the client. Cert-manager sometimes falls into a
traffic pattern where it sends really excessive traffic to Let's
Encrypt's servers, continuously. To mitigate this, we plan to start
blocking all traffic from cert-manager versions less than 0.8.0 (the
current semver minor release), as of November 1, 2019. Please upgrade
all of your cert-manager instances before then.

We're sending this email because this is the contact address of your
cert-manager instance at:

 185.236.240.37 .

Version 0.8.0 is much better but we still observe excessive traffic in
some cases. We're working with Jetstack to improve these cases. As new
versions of cert-manager are released, we will add the non-current
versions to our block list after 3 months. We strongly encourage
cert-manager users to stay up-to-date with new versions.

Also, there is an opportunity to help both Jetstack and Let's Encrypt.
Once you've upgraded, please check the logs for your cert-manager
instances from time to time. Are they making excessive requests to Let's
Encrypt (more than, say, 10 per day over multiple days)? If so, please
share details at https://github.com/jetstack/cert-manager/issues/1948 .

Thanks,
Let's Encrypt Team

Change-Id: Ic7152150ac1c96941423878c6d4b6209e07429cf