Online courses can provide you the time to dig deeper and truly master a new skill tr topic. Open Yale Courses and MIT Open CourseWare are two of the best places to learn about new topics, ideas, concepts, and better ways to solve problems in life and business.
ZeroTier’s software is open source and free to use for most purposes including personal use, internal use within a business or academic institution, and evaluation for uses that require commercial licensing.
This is a great guide to iptables:
You can generate a self-signed certificate online here:
This will generate a two files – a certificate and a key.
If you are using IIS server you need to convert these to .pfx. For this you can use the SSL Converter here:
Use the free SSL Server test from Qualys Inc to see how secure is your web site: