How to Read Certificates and Chains Like a Pro | Joshua Moses | Cybertrace Foundation

Fluent certificate inspection is the skill that makes every later troubleshooting video possible. Pull a live server's chain, follow it leaf to root, and spot the classic problems on sight. Joshua Moses | Cybertrace Foundation | PKI and Digital Certificates | Video 11 of 32 WHAT YOU WILL LEARN IN THIS VIDEO • Why fluent certificate reading is the skill every later diagnosis depends on • The command-line inspection commands, and reading their output at speed • Inspecting a live server's presented certificate and full chain over the wire • Following a chain from leaf to intermediate to root, confirming each link • Checking a certificate against what a service actually needs: name, usage, dates, and chain • Comparing what a server presents against what it should be presenting • Spotting the tell-tale problems on sight: missing intermediate, expired link, wrong name, wrong usage • Building a personal inspection routine you can run on any certificate in seconds HANDS-ON LAB EXERCISE Inspect several live servers, identify which present a complete correct chain and which do not, and explain each. WHO THIS VIDEO IS FOR Built for system and network administrators, security analysts, DevOps and cloud engineers, and anyone who has ever clicked past a certificate warning and wanted to actually understand what it was telling them. ABOUT THE SERIES This is video 11 of the PKI and Digital Certificates course from Joshua Moses | Cybertrace Foundation. Every video teaches at an intermediate level while staying understandable to someone starting from zero, builds on the same lab and the same validation checklist from start to finish, and ends with a hands-on exercise you work yourself. This 32-part series takes you from what a certificate actually is through building a private CA, running enterprise PKI, and diagnosing every category of trust failure. Subscribe so you catch each one, and leave a comment if something here needs a deeper explanation. PKI Course Lab Guide: https://github.com/joshuanmoses/Cyber...