Can a bonded BLE connection secure communications between two devices and prevent attackers from replaying/reading messages/cmds sent between the two?

I have Device A (Phone) which will pair with Device B (Light Switch) using "Unauthenticated Pairing with Encryption".
My belief was that this level of encryption would be enough to prevent attackers from spoofing either device (M… Continue reading Can a bonded BLE connection secure communications between two devices and prevent attackers from replaying/reading messages/cmds sent between the two?

How did I obtain a wildcard SSL certificate without port 80 opened for a challenge?

I wanted to secure my apps running in a private subnet with SSL. Albeit not necessary, it is very nice to have.
Because of my constant changes, I opted for a wildcard ssl certificate through my DNS provider Cloudflare by providing Nginx Pr… Continue reading How did I obtain a wildcard SSL certificate without port 80 opened for a challenge?