Question1: What are the types of SSL certificates?
Answer: There are 2 types of SSL certificates
1. Self Signed Certificate: These are used for Data encryption, these are generally used for internal
environments such as Test,Development and stating environments
2. Trusted Certificate: These are used for Authentication and Data Encryption, these are genratlly used in
productions sites
Question 2: What are the different types of trusted certificates?
Answer: There 3 types of trusted certificates which include
1. Standard Certificate : These have 1 to 1 relationship with a particular DNS name
Example
eg: DNS Name: www.flipkart.com
2. SAN Certificates: These have 1 to many relationships with specified DNS names
Examples:
DNS Name: www.flipkart.com
DNS Name: bhaskar.store.flipkart.com
DNS Name: insurance.flipkart.com
DNS Name: auth.flipkart.com
DNS Name: pay.flipkart.com
DNS Name: yono.store.flipkart.com
DNS Name: dl.flipkart.com
DNS Name: accounts.flipkart.com
DNS Name: indusind.store.flipkart.com
DNS Name: offers.store.flipkart.com
DNS Name: axis.store.flipkart.com
DNS Name: airtel.store.flipkart.com
DNS Name: itzcash.store.flipkart.com
DNS Name: m.flipkart.com
DNS Name: yahoo.store.flipkart.com
DNS Name: tech.flipkart.com
DNS Name: flipkart.com
3. Wild Card Certificate : These have 1 to many relationship with all DNS names related to a particular
website
Example: *.flipkart.com
Question 3: SSL - is this utility or service?
Answer: SSL is a service and not utility
Question 4: Can 2 services point to single port?
Answer: 2 Sevices cannot point to 1 port, but 1 service can be on 2 ports