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Security

Self-Signed Keystores in OpenShift / Kubernetes to re-encrypt Spring Boot Apps

December 10, 2022 by Tobey Leave a Comment
Kubernetes OpenShift

After creating self-signed wildcard certificates for modern browsers a while back, self-signed certificates came back to haunt me once again. This post describes a solution for creating self-signed keystores (pkcs12 or jks) in OpenShift and Kubernetes to use in Spring Boot applications to re-encrypt traffic. Actually I present 2 solutions, but the second one only … [Read more…]

Posted in: Professional, Security Tagged: cert-manager, Certificate, container, docker, keystore, kubernetes, openshift, security, self-signed, Software, spring boot, tls

Restoring Original IP from Cloudflare to WordPress in K3s / Kubernetes with Traefik

November 6, 2022 by Tobey Leave a Comment
Cloudflare-logo

Unfortunately this does not apply to the IP logged within the comment section, however the log does contain the correct IP. I will revisit this issue and may update this post. Cloudflare offers great solutions for the protection of a webpage. Although most interesting applications require a paid premium account, the free tier also provides … [Read more…]

Posted in: Consumer, Kubernetes, Professional, Security, Tips && Tricks Tagged: Cloudflare, container, docker, github, HTTP, k3s, kubernetes, Software, traefik, Wordpress

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

SoapUI Authorization Settings present although disabled

January 19, 2019 by Tobey Leave a Comment
SoapUI

Issue: Another bug in SoapUI might alter the security configuration of sent SOAP Requests. This may result in broken or discarded requests. This issue can be reproduced in SoapUI 5.4.0 and 5.2.1. I have not tested other versions but I’m quite certain this problem exists in all of them. SoapUI features a dedicated “Auth” button … [Read more…]

Posted in: Professional, Security Tagged: Bug, SoapUI, Software, Webservice

MITM a Sony HT-XT2 to analyse update failures

March 11, 2017 by Tobey Leave a Comment
Wireshark

Issue: My Sony HT-XT2 cannot be updated via internet, due to a communication error with the server – how can I MITM the connection to analyse the issue? Recently I bought a soundbar like gadget from Sony, the HT-XT2. After setting it up I tried to update the firmware via internet – the HT-XT2 can be … [Read more…]

Posted in: Consumer, Security Tagged: Hacking, Proxy, Software

Add basic authentication / password to OpenVPN certificate

October 24, 2016 by Tobey 2 Comments
OpenVPN

Issue: How can I add basic authentication / password to my OpenVPN connection featuring certificates? There are quite a lot of tutorials on how to set up your own VPN server. An excellent tutorial has been published by DigitalOcean. However this (and nearly every other) tutorial feature a secure connection by either certificates or user … [Read more…]

Posted in: Consumer, Professional, Security Tagged: Certificate, Software, VPN

SSL-Webservice Requests With Proxy Authentication In SoapUI

March 5, 2016 by Tobey Leave a Comment
SoapUI

Issue: How can I send a webservice request over SSL in SoapUI with basic proxy authentication? A few days ago I was confronted with a rather simple challenge: sending a request to an HTTPS webservice with SoapUI by SmartBear. But as you might have guessed, there’s a catch. While I’m inside the company network, my … [Read more…]

Posted in: Professional, Security Tagged: Bug, Proxy, SoapUI, Software, Webservice

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