TLS/SSL
The encryption that secures connections, shown as the padlock and https:// in your browser.
Self-hosted services should be served over HTTPS using TLS certificates, usually obtained automatically and for free from Let's Encrypt via a reverse proxy.
Related articles
Let's Encrypt
A free, automated certificate authority that issues the TLS certificates used to enable HTTPS.
Reverse Proxy
A server that sits in front of your services, routing requests by domain name and handling TLS certificates.
VPN(Virtual Private Network)
An encrypted tunnel that lets you securely access your home network from anywhere as if you were local.