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Creating self-signed wildcard-certificates for modern browsers

May 30, 2021 by Tobey 2 Comments
OpenSSL

When setting up my local K3s on a Intel NUC I thought it would be nice to use Ingress resources to access the services instead of using a node-port. As those services will only be used inside my LAN (and I didn’t want to have an invalid certificate warning) I decided to use a self-signed … [Read more…]

Posted in: Consumer, Kubernetes, Professional, Security, Tips && Tricks Tagged: Android, Certificate, dns, kubernetes, openssl, traefik, wildcard

Wildcard certificates, DNS challenges and Traefik in Kubernetes

May 19, 2021 by Tobey 2 Comments
Cert Manager, Traefik, K8s

Until now I have mostly dealt with certificates for a specific host – and there is usually nothing wrong with doing it this way. There are easy to use tools for Let’s Encrypt which automate the retrieval of a certificate for a (sub-) domain. On a docker-compose based, (mostly) manually managed stack you would usually … [Read more…]

Posted in: Kubernetes, Professional, Security Tagged: Certificate, dns, k3s, kubernetes, traefik

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