Event 36870 Schannel 10001 – A fatal error occurred
When we spend two weeks trying to resolve an issue that affects multiple servers it is worth documenting its solution. But not only to jot down a 2 liner, but […]
Read moreCategory: PKI
Topics related to Public Key Infrastructure (PKI).
Easily Replace vSphere Web Client Certificate
For some reason the vast majority of VMware environments we run into continue to utilize the default untrusted self-signed VMware web client front end certificate. Why? Who knows – maybe […]
Read moreUbuntu Certbot Update
With the upcoming deprecation of TLS-SNI-01, Let’s Encrypt certificate renewals may start breaking for some clients. For more information regarding the TLS-SNI-01 ACME protocol deprecation see Bulletproof TLS Newsletter #37. […]
Read moreIssue Subordinate CA Certificate from Offline Root CA
The other day, a client was deploying a new solution and needed a subordinate (SubCA) certificate for their networking device. The device basically needed to issue its own trusted certificates […]
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