Wireshark Lab 3 (v7.0) 레포트

소개글

Wireshark Lab v7.0
Lab3 DNS 문제를 대상으로 작성한 레포트입니다.

목차

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본문내용

1. nslookup
1. Run nslookup to obtain the IP address of a Web server in Asia. What is the IP address of that server?
Domain: www.ssu.ac.kr
IP address: 203.253.31.111

2. Run nslookup to determine the authoritative DNS servers for a university in Europe.
cam.ac.uk nameserver = dns0.eng.cam.ac.uk
cam.ac.uk nameserver = dns0.cl.cam.ac.uk
cam.ac.uk nameserver = authdns0.csx.cam.ac.uk
cam.ac.uk nameserver = ns2.ic.ac.uk
cam.ac.uk nameserver = sns-pb.isc.org

3. Run nslookup so that one of the DNS servers obtained in Question 2 is queried for the mail servers for
Yahoo! mail. What is its IP address?
Query Refused/Timeout.

3. Tracing DNS with Wireshark

4. Locate the DNS query and response messages. Are then sent over UDP or TCP?
They are sent with UDP

참고 자료

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