(1) (Solid State Lighting) See LED lighting.| (2) (Secure
Sockets Layer) The leading security protocol on the Internet.
Developed by Netscape, SSL is widely used to do two things: to
validate the identity of a Web site and to create an encrypted
connection for sending credit card and other personal data. Look
for a lock icon at the top or bottom of your browser when you
order merchandise on the Web. If the lock is closed, you are on
a secure SSL or TLS connection (see TLS). HTTPS and Port Number
443 An SSL session is started by sending a request to the Web
server with an HTTPS prefix in the URL, which causes port number
443 to be placed into the packets. Port 443 is the number
assigned to the SSL application on the server (see well-known
port). After the two sides acknowledge each other, the browser
sends the server a list of algorithms it supports, and the
server responds with its choice and a signed digital
certificate. From an internal list of certificate authorities
(CAs) and their public keys, the browse