What is SSL?
Secure Socket Layer, otherwise known as TLS (Transport Layer Security) keeps the internet safe. I’ll use the two acronyms interchangeably, despite TLS being the correct one.
If you’ve ever heard someone say, “don’t give sensitive information unless you see the green lock in the address bar”, you’ve used (and been instructed to use) SSL. If you’re using SSL, your address bar should say
TLS/SSL facilitates an encrypted connection between a given client and a participating server. Let’s say I host and run a dating website. Technically speaking, this means I run a web server on a computer somewhere, connected to the internet. This web server runs on port 80.
You are a member of my dating website - you’re updating your profile while sitting at a Starbucks, chilling on public WiFi. Since the (TCP) connection between your web browser and my web server is not encrypted, all
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