SSL

• SSL: Secure Sockets Layouts
• TLS: Transport Layer Security
• HTTP: Uses TCP port 80

• HTTPS: Uses TCP port 443. It's the HTTP over TLS encryption tunnel

• History and versions of SSL and TLS

• SSL 1.0 , SSL 2.0 (1995), SSL3.0 (1996) and all others are deprecated!

• TLS 1.0 (1999) and TLS 2.0 (2006) are deprecated!
• TLS 1.2 (2008) and TLS 1.3 (2018) are currently in use!

# Tools
sudo apt install openssl
sudo apt install wireshark # filter ip.addr == 31.13.74.174
sudo apt install dnsutils # nslookup www.instagram.com
sudo apt install keychain