초록

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Abstract ▼ AI-Helper

DNS(Domain Name Service) is a request/response service based on UDP client-server. DNS spoofing attack is an activity which an attacker manipulates DNS traffic, thus creating a fake/false DNS response. consequently this attack will lead the client into malicious website. This attack is more threaten...

DNS(Domain Name Service) is a request/response service based on UDP client-server. DNS spoofing attack is an activity which an attacker manipulates DNS traffic, thus creating a fake/false DNS response. consequently this attack will lead the client into malicious website. This attack is more threatening in wireless network. In this paper we will demonstrate the DNS spoofing attack in public wireless network and propose a defense system which effectively detects and protects the attack in AP(Access Point) level. To verify the effectiveness of our proposal, we have built our own system and conducted some experiments. As the result, we have concluded the proposal of this paper can effectively defend DNS Spoofing from public wireless network in terms of maintaining original network protocol and client system.

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