Show HN: SSH tunneling course for devs, sys admins, and infosec professionals A little over a year ago I gave away over 4,600 copies of my intro to SSH tunneling book, The Cyber Plumber's Handbook, for free over a 48 hour period to the awesome folks here on Hacker News [0]. Since then, I've been getting a lot of feedback about creating an interactive lab where SSH tunneling and port redirection techniques can be practiced in real scenarios. With a bit more time during the quarantine, I finally found the time to launch the lab portion. For the HN family, I'm offering the book and 2 weeks of lab time for 50% off ($19.99) with this Gumroad link through June 6: https://ift.tt/3gEe5Qk Why learn SSH tunneling? SSH tunneling is a skill you can use for the rest of your IT career. SSH tunneling and port redirection are skills that can be applied in any information technology discipline, so it does not matter if you are a network engineer, red teamer, penetration tester, developer or