Crime Dot Com: From Viruses to Vote Rigging, How Hacking Went Global

FeistyDuck.com Free download of OpenSSL Cookbook (3rd Ed) and Bulletproof SSL and TLS (2nd Ed)

Let's Encrypt on Synology without opening port 80 (of if it's blocked)

GNS3 - Your Virtual Network -or- EVE - The Emulated Virtual Environment