計算機網(wǎng)絡(luò)自頂向下方法試驗三報告

1、陜西師范大學計算機網(wǎng)絡(luò)實驗報告年級： 2010級 姓名：陳翠萍 學號： 41012227 實驗日期： 2012.9.24 實驗名稱：Wireshark Lab: HTTP1至7題總的截圖：1. Is your browser running HTTP version 1.0 or 1.1? What version of HTTP is the server running? Answer: Both are running HTTP 1.1 2. What languages (if any) does your browse r indicate that it can accept to

2、 the server? Answer:zh-cn3. What is the IP address of your computer? Of the gaia. server? Answer:My IP address is 9and the servers is 2 4. What is the status code returned from the server to your browser? Answer:截圖HTTP/1.1 200 OK (text/html)5. When was the HTML you are retriev

3、ing last modified at the server? Answer: 截圖：Last-Modified: Mon, 24 sep 2012 12:44:01 GMT6. How many bytes of content are being returned to your browser? Answer:截圖Content-Length: 128 7. By inspecting the raw data in the p acket content window, do you see any headers within the data that are not displ

4、ayed in the packet-lis ting window? If so, name one. Answer: No all of the headers can be found in the raw data. 8 至11題截圖：8. Inspect the contents of the first HTTP GET request from your browser to the server. Do you see an “IF-MODIFIED-SINCE” line in the HTTP GET? Answer: No9. Inspect the contents o

5、f the server response. Did the serv er explicitly return the contents of the file? How can you tell? Answer:Yes， because we can see the contents in the Line-based text data field.10. Now inspect the contents of the second HTTP GET request from your browser to the server. Do you see an “IF-MODIFIED-S

6、INCE:” line in the HTTP GET? If so, what information follows the “IF-MODIFIED-SINCE:” header?Answer: 截圖：Yes. The information following is: mon, 24 sep 2012 12:44:01 GMT which is the date of the last modification of the the previous get request11. What is the HTTP status code and phrase returned from the server in response to this second HTTP GET? Did th e server explicitly return the contents of the file? Explain.Answer:截圖：The status code and phrase returned from the server is HTTP/1.1 404 Not