10. Summarize basic attacks on DNS. 11. Describe how a gateway converts a privat

Question

10. Summarize basic attacks on DNS.

11. Describe how a gateway converts a private IP address into a global IP address using NAT.

12. What features does a simple, low-cost network gateway provide to protect a small local network from attack?

13. Why does a typical low-cost network gateway need to provide special mechanisms to handle inbound connections? Why doesn’t it simply forward the packets to the chosen host address?

14. Briefly describe older network technologies. Have you encountered any of these technologies? Briefly describe the encounter.

15. Briefly describe the mature network technologies. Which ones do you use or have you used? Briefly describe your experience.

16. Briefly describe evolving technologies. Which ones do you use or have you used? Briefly describe your experience.

Explanation / Answer

10) The Answer for your question is given below clearly
The basic attacks of DNS are
1.DNS HIjacking
2.DNS Tunneling
3.CAche Poisoining

1. DNS HIjacking:
Here the user will be trying to access a wensites like www.someexample.com and the user will be redirected to a fake site controlled by the hackers which looks like a real website.

2.DNS Tunneling:
It uses DNS as a communication channel to bypass firewall and the attacker will be tunneling the protocols like TCP SSH etc which enables the attacker to easilysteal the data.

3.CAche Poisoining:
1.In cache poisoining the attacker will be attacking by using some Queries with recursive name server for IP address of a malcious websites. and
2.this recursive name server cache IP address as the address for www.someexample.com
3.now the user will queriry the ip address of www.someexample.com.
4.Now the recursive server replies to user with cached IP address and now the user will be connecting to the site controlled by the attacker by thinking its www.someexample.com

So This is about the BAsic attacks of DNS

Hope This Helps, if you have any doubts Please comment i will get back to you, thank you and please thumbs up

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