Category Archives: Networking

#Twitter Card: ERROR: Fetching the page failed because other errors

By | February 16, 2021

After some updates suddenly all the post I shared from Jetpack for WordPress had no valid Twitter card. After some mail exchanges with Jetpack support they assured me that all is good from their part. As instructed by them I was able to see that indeed Jetpack was correctly generating the Twitter Card. Still checking… Read More »

Updates to how to #secure and improve your self hosted #wordpress blog on #apache

By | January 28, 2021

Computer security is a topic that needs constant work. Every day new threats and new security recommendation pop up on the technology radar. I already wrote several posts on this topic. The current post can be seen as a continuation of Security: Maintaining a secure WordPress blog So bellow are some updates to the configuration… Read More »

Use #letsencrypt to generate a wildcard domain certificate

By | June 26, 2019

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

By | May 12, 2019

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 »