A secure server is a web server, that provides support for message encryption and decryption, like SSL (Secure Socket Layer). It is important to share confidential information only with a secure server that ensures privacy and protection of your payment and personal data. In the modern age the most important protocols that ensure secure connection with a server are SSL, HTTPS and IPSec.
How to determine if you are connected to secure server?
First of all make sure that your browser displays this icon:

After all, everyone loves to see beautiful green locks, right?
Important information about secure server
In order to hold safe communications in internet or LAN, it is necessary to own a certificate. A certificate helps your computer and browser to identify a secure server. Everyone is able to create a self-signed certificate, but in order to make it appear as a green lock in the browser or to make browser trust it, a certificate should be signed by trusted authority or CA.
Facts:
- Internet Explorer requires Diffie-Hellman parameters larger that 512 bit
- LG TVs are shipped with specific root certificates and some of the most common certificates are not present in them.
Tips
- Check for common vulnerabilities
- Never leave open security holes
- Use genuine SSL certificates. You might like to have a look at DigiCert