DNS, Web Server & Server Security

DNS, Web Server &Server SecurityMONDAY PRESENTATION – WEEK 2

Hla Tun

Topics• What is DNS?

• What is Forward & Reverse Lookup?

• What is Web Server?

• What is SSL?

• What are Basic Security Measure?

What is DNS?• DNS - Domain Name Resolution Service

1. DNS Client

2. DNS Server

What is Forward & Reverse Lookup?

• Forward Lookup -----> Resolve host name to IP

IIDTRCL -----> 192.168.88.254

• Reverse Lookup ------> Resolve IP to hostname

192.168.88.254 ------> IIDTRCL

What is Web Server?• Primary Function of Web Server is to store, process & deliver

Web pages to clients

What is SSL?

• SSL (Secure Sockets Layer) is security technology for

establishing an encrypted link between a server and a client• Typically a web server (website) and a browser

What are Basic Security Measure?

• Stopping Vulnerable Services

• Changing Built-in Account Names

• File Access Setting

• Windows Firewall

• Firewall Logs

End

Thanks for listening