Sit Down Series – Week 4
DNS - Domain Name System Is a Server which can be in-house or with an ISP, which caches in the IP addresses of the frequently visited web pages. DNS Server - can be configured for recursive search, which forwards the request to other DNS servers. Why the browser/DNS client contacts the DNS server? To fetch the IP address of the web server to which the client needs access. Why IP addresses are required by the client and server? To help two computers connect and transfer data. What is DNS Spoofing? Overriding the DNS server with the server information which the attacker wants the client to connect to. Overwrite the DNS settings on your computer. What happens if the DNS server is unavailable? The user will not be able to access the internet. How can this add on from Firefox: Flagfox be used? Flagfox provides the user with the server location, domain name and the IP address of the requested webpage (and much more). Configure the host file ...