HTTP & HTTPs

Question 1

HTTP

Answer 1

Hypertext transfer protocol

Transfer text, pictures and other data from server to client computer which use web browser to view data.

Question 2

HTTPs

Answer 2

Hypertext transfer protocol secure

Protect sensitive information such as passwords, credit card numbers and other personal data.

Encrypted using SSL/TLS to prevent interception or eavesdropping by third parties.

When visiting a website using HTTPS, the browser show a padlock icon on the address bar indicating that connection is secure.

Question 3

HTTP ADVANTAGES

Answer 3

Simplicity: easy to use and understand

Platform independence: used on any platform

Stateless

Proxy and firewall friendly

Question 4

HTTP DISADVANTAGES

Answer 4

Lack of security

Slow performance

Vulnerability to denial of service attack.

Question 5

HTTPs advantages

Answer 5

Encryption

Authentication: use digital certificate to identify secure websites.

Question 6

HTTPs disadvantages

Answer 6

Cost: expensive to issue digital certificate.

False sense of security: does not protect against cyberthreats.