Category Archives: Networking

How RomArg “helped” me to change my domain register to @namecheap ?

A name registrar is that sort of service provider everybody needs at some point when they get serious about their online presence and want to have their own identity thus domain. Basically from the times when Internet was young their main function is to keep that record of who owns a name and to broadcast… Read More »

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Use #letsencrypt to generate a wildcard domain certificate

I am an old user of letsencrypt that just found out that my old way of renewing my set of certificated is no longer supported. When running the usual “certbot renew” command, that was manually renewing my certificates, resulted in the error: 2019-04-06 17:38:19,072:WARNING:certbot.renewal:Attempting to renew cert (blog.voina.org) from /etc/letsencrypt/renewal/blog.voina.org.conf produced an unexpected error: Client… Read More »

#EasyRSA Certificate based authentication of #SoapUI client to a secure WebService running on #JBoss or #WildFly application server

The following is a very quick guide on how to set up a EasyRSA certificate based authentication of SoapUI API client to connect to a WebService based API that runs on JBoss or WildFly. Generate a local CA with EasyRSA Download and install easy-rsa – https://github.com/OpenVPN/easy-rsa Go to the installation folder and change the following… Read More »

Secure an #nginx or #apache website using #ssllabs.com

From time to time is good to perform a security audit to your Internet exposed services. Things change fast online so you have to keep up with the security reports to be able to maintain secure services online. My favorite tool for SSL related security audit is the great resource at www.ssllabs.com. The audit performed… Read More »

Kaspersky Lab banned all across Europe #infosec

I am a long time evangelist of not using software that is linked to abusive governments. This applies sadly to a lot of software products and software environments linked to Russia and China. Regarding this, Kaspersky was one of my main “do not use” advice I was giving to people I know and to job… Read More »

AP-AC-Pro with #Unifi as a taxi monitoring tool

It is always fun to find new usage to UBNT devices. I just discovered that my UniFi AP-AC-Pro is a powerful monitoring tool for the Wi-FI enabled taxis. In a city that considers itself as one of the “Silicon Valleys” of Eastern Europe Internet is a must. Obviously in such an environment having a Hot-Spot… Read More »

#Apache #Kafka solutions going mainstream

I like when solutions you are excited about and are first seen as “experimental” start to go mainstream. This happened with containers (Docker, CoreOS, Kubernetes etc.) which are now the hottest topic in DevOps right now. The same is happening now for Apache Kafka which was adopted by no other than “Goldman Sachs” for their… Read More »

#ubnt made my Holiday better.

I hate when you go on Holiday outside EU and your internet sucks and data roaming charges would cover Mars roaming. Lucky for me this is what I noticed in my nice Mauritius Holiday, they discovered Ubiquity devices 🙂 I think I counted like 20 UBNT Wi-Fi repeaters throughout the resort, in the palm trees.… Read More »