Erwin Bierens

Sharing Knowledge

Block the Blue Coat Intermediate CA from Windows

Symantec has gotten in hot water for issuing rogue certificates (source). While Symantec has agreed to certificate transparency, Blue Coat systems is a known operator of MITM services they sell to enterprises, nation-states and governments, and this certificate would allow Blue Coat to issue arbitrary MITM certificates. OSX instruction can be find over here (By Filippo Valsorda) Block the Intermediate CA on your windows computer Download the certificate to your computer or just click “Open”.

Privacy and Anonymity

Privacy Privacy is an increasingly rare commodity these days. To find out what kind of information is there about you do a search for yourself on, you might be surprised at the number of companies that claim to have information about you and your relatives. That’s because your personal information, including your email address, phone number and daily activities on Social Networks and apps, are worth a lot of money to legitimate businesses, your new employer, government and bad guys (read hackers).

Yealink Skype for Business Firmware

Yealink is continuing its legacy of innovation with the delivery of an end-to-end unified communications (UC) solution for Microsoft environments. The UC Edition of its IP phones is customizable and seamlessly integrates with user workflows. UC Edition phones, crafted with new features tailored for Skype for Business/Lync, extend the communication experience and facilitate better collaboration. Yealink has certified the following models for a direct connection with Skype For Business:

Force HTTPS On Your WordPress Site

I’m running my wordpress site for quite some time now.. My site is HTTPS enabled and signed with a certificate. HTTP was also possible in the past for reaching my site. In this guide i’m going to point all of the pages (including the administrative) to force HTTPS. To simplify this, the guide will build into the following 3 parts: 1. Force SSL for administrator pages (including the login page) 2.

OpenVPN in Kali Linux

This how to describes how to configure Kali to use a openVPN for securing your traffic. Why should u use VPN? Here’s my top 5 why you want to use a VPN service. 1. VPN provides Privacy and hides your own External IP address. 2. Use any network (public or private or free (hotspot WiFi) with encryption. 3. Login to your home or Work network from anywhere with confidence of encrypted traffic.