计算机网络实验报告-实验五 探索TCP协议.doc计算机网络实验报告-实验五 探索TCP协议.doc

收藏 分享

资源预览需要最新版本的Flash Player支持。
您尚未安装或版本过低,建议您

-1-陕西师范大学计算机网络实验报告实验五探索TCP协议一、实验目的1熟悉并掌握WIRESHARK的操作。2通过实验分析并掌握TCP是如何进行数据传输的,及其如何实现拥塞控制、流量控制等二、实验器材1PC机电脑一台。2.下载WIRESHARK软件并安装三、实验内容通过实验分析并掌握TCP是如何进行数据传输的,及其如何实现拥塞控制、流量控制等四、问题回答1CAPTURINGABULKTCPTRANSFERFROMYOURCOMPUTERTOAREMOTESERVERGOTHEHTTP//GAIACSUMASSEDU/WIRESHARKLABS/ALICETXTANDRETRIEVEANASCIICOPYOFALICEINWONDERLANDSTORETHISFILESOMEWHEREONMYCOMPUTERNEXTGOTOHTTP//GAIACSUMASSEDU/WIRESHARKLABS/TCPWIRESHARKFILE1HTMLTHENICANSEEASCREENTHATLOOKSLIKE-2-,STARTUPWIRESHARKANDBEGINPACKETCAPTURERETURNINGTOBROWSER,PRESSTHE“UPLOADALICETXTFILE”BUTTONTOUPLOADTHEFILETOTHEGAIACSUMASSEDUSERVERSTOPWIRESHARKPACKETCAPTURETHEWIRESHARKWINDOWLIKETHISTHENOPENINGTHEWIRESHARKCAPTUREDPACKETFILETCPETHEREALTRACE1INHTTP//GAIACSUMASSEDU/WIRESHARKLABS/WIRESHARKTRACESZIP-3-2AFIRSTLOOKATTHECAPTUREDTRACE1WHATISTHEIPADDRESSANDTCPPORTNUMBERUSEDBYTHECLIENTCOMPUTERSOURCETHATISTRANSFERRINGTHEFILETOGAIACSUMASSEDUTOANSWERTHISQUESTION,IT’SPROBABLYEASIESTTOSELECTANHTTPMESSAGEANDEXPLORETHEDETAILSOFTHETCPPACKETUSEDTOCARRYTHISHTTPMESSAGE,USINGTHE“DETAILSOFTHESELECTEDPACKETHEADERWINDOW”REFERTOFIGURE2INTHE“GETTINGSTARTEDWITHWIRESHARK”LABIFYOU’REUNCERTAINABOUTTHEWIRESHARKWINDOWS答CLIENTCOMPUTERSOURCEIPADDRESS1921681102IPADDRESSTCPPORTNUMBER-4-TCPPORTNUMBER11612WHATISTHEIPADDRESSOFGAIACSUMASSEDUONWHATPORTNUMBERISITSENDINGANDRECEIVINGTCPSEGMENTSFORTHISCONNECTION答THEIPADDRESSOFGAIACSUMASSEDUIPADDRESS12811924512PORTNUMBER803IFYOUHAVEBEENABLETOCREATEYOUROWNTRACE,ANSWERTHEFOLLOWINGQUESTIONWHATISTHEIPADDRESSANDTCPPORTNUMBERUSEDBYYOURCLIENTCOMPUTERSOURCETOTRANSFERTHEFILETOGAIACSUMASSEDUIPADDRESSPORTNUMBER-5-答MYCLIENTCOMPUTERIPADDRESS10213630IPADDRESSTCPPORTNUMBERTHENWIRESHARKDOTHIS,SELECTANALYZEENABLEDPROTOCOLSTHENUNCHECKTHEHTTPBOXANDSELECTOKNOWSEEANWIRESHARKWINDOWTHATLOOKSLIKE-6-3TCPBASICSANSWERTHEFOLLOWINGQUESTIONS;4WHATISTHESEQUENCENUMBEROFTHETCPSYNSEGMENTTHATISUSEDTOINITIATETHETCPCONNECTIONBETWEENTHECLIENTCOMPUTERANDGAIACSUMASSEDUWHATISITINTHESEGMENTTHATIDENTIFIESTHESEGMENTASASYNSEGMENT答SEQUENCENUMBER0;SYN被设置为1说明是SYN段。SEQUENCENUMBERSYNIS1-7-5WHATISTHESEQUENCENUMBEROFTHESYNACKSEGMENTSENTBYGAIACSUMASSEDUTOTHECLIENTCOMPUTERINREPLYTOTHESYNWHATISTHEVALUEOFTHEACKNOWLEDGEMENTFIELDINTHESYNACKSEGMENTHOWDIDGAIACSUMASSEDUDETERMINETHATVALUEWHATISITINTHESEGMENTTHATIDENTIFIESTHESEGMENTASASYNACKSEGMENT答THESEQUENCENUMBEROFTHESYNACKSEGMENTSENTBYGAIACSUMASSEDUIS0;SYNACKSEGMENT中ACKNOWLEDGEMENT的值为1;ACKNOWLEDGEMENTNUMBER的值为SYN消息中SEQUENCENUMBER加上1所得;SYN和ACKNOWLEDGEMENTF都置为1说明这是一个SYNACKSEGMENT6WHATISTHESEQUENCENUMBEROFTHETCPSEGMENTCONTAININGTHEHTTPPOSTCOMMANDNOTETHATINORDERTOFINDTHEPOSTCOMMAND,YOU’LLNEEDTODIGINTOTHEPACKETCONTENTFIELDATTHEBOTTOMOFTHEWIRESHARKWINDOW,LOOKINGFORASEGMENTWITHA“POST”WITHINITSDATAFIELDSEQUENCENUMBERTHEVALUEOFTHEACKNOWLEDGEMENTFIELD
编号:201311211711020456    类型:共享资源    大小:2.00MB    格式:DOC    上传时间:2013-11-21
  
6
关 键 词:
专业文献 学术论文 精品文档 计算机网
  人人文库网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
关于本文
本文标题:计算机网络实验报告-实验五 探索TCP协议.doc
链接地址:http://www.renrendoc.com/p-110456.html

当前资源信息

4.0
 
(2人评价)
浏览:71次
zhaozilong上传于2013-11-21

官方联系方式

客服手机:17625900360   
2:不支持迅雷下载,请使用浏览器下载   
3:不支持QQ浏览器下载,请用其他浏览器   
4:下载后的文档和图纸-无水印   
5:文档经过压缩,下载后原文更清晰   

精品推荐

相关阅读

人人文库
关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

[email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

经营许可证编号:苏ICP备12009002号-5