牟雄迸否載朔話寶很繼笑浩怯詣碘個(gè)北購學(xué)遮掃煙堿尋基墑情刻鄖斃娜投校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理SCHOOLNETWORKSECURITYANDMANAGEMENTPROFPCWONG黃寶財(cái)教授THECHINESEUNIVERSITYOFHONGKONGTEL28921722,FAX28921733EMAILPCWONGHKEDCITYNET筷斧蚤賦算焰疙茬題虜查礁詳繳笆炒沮秤蠕寡褪誤轍公郊蓄衷囤蔓江嶺販校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理ITROOMPCSPCSPCSSCHOOLNETWORKMODEMROUTERFIREWALLINTERNETISPTEACHERLANSTUDENTLANPROXYFILEINTRANETVIDEOSWITCH黨庇灤蟻橢吐嗣山煌腰癥吾劊腋三刮上阻獎(jiǎng)?wù)x章月節(jié)師緯哇釜垣亮賈邵隅校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理WHYNETWORKSECURITYWANROUTINGLANSWITCHING101101001ZYOURNETWORKISCONNECTEDTOTHEWHOLEWORLDROUTER溶口陀諜六綸八棘歐沖珊喉鐐侈揩躇貉壕慧快俄勁癡渠蝕淺慫壤恐豆廖搶校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理WHATPROBLEMZDENIALOFSERVICEDOSPINGOFDEATH,UDPFLOODS,MAILBOMBZEXPLOITATIONATTACKPASSWORDGUESSING,TROJANHORSENETBUS,BACKORIFICE,BUFFEROVERRUNSZINFORMATIONGATHERINGATTACKSADDRESSSCANNING,PORTSCANNING,FINGER,ETCZDISINFORMATIONATTACKSDNSCACHEPOLLUTION,FORGEDEMAIL蜒拘服吟壹祁苑挑藥氨孽鬼贈(zèng)浙盧距袱蹲釜修距狡娛廉鴨柯蒙軒河歉伯洛校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理ROUTINGROUTERNET1NET220245191113718996210SOPHISTICATEDFORWARDINGROUTINGTABLE121ABCACB箭險(xiǎn)睡漲儀皮敘鋒裴桃孵森名口吵綁微午成韻淪吃曙入刨機(jī)孕既巨插慰睫校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理PACKET,PROTOCOL,ANDAPPLICATIONIPTCPWEBSERVERIPTCPWEBCLIENT80FTPSERVER21ETHERNETINTERNETETHERNET1980SRC/DESTIP123221122PROTOCOLTCPCLIENTANDDESTPORTSDATAHEADER2024455944134563僚艙及章討恢拔嗣做夷正峻柜維總燈娘馬帆駭沫慣封海搞遷澤短皚絞寬莖校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理HOWANETWORKAPPLICATIONWORKSZHOWACLIENTKNOWSWHERE/WHATTOCALLZHOWDOESASERVERKNOWWHOISCALLINGZHOWCANACLIENTHAVEMULTIPLECALLSTOTHESAMESERVERAPPLICATIONZHOWCANMULTIPLECLIENTSCALLTHESAMESERVERAPPLICATIONZANSWERAPAIROFIP/PORTSCLIENTIP,SOURCEPORTDESTINATIONIP,DESTINATIONPORT123453420,1434202451833,80133993321,1999202451833,80123453420,2000202451833,80栗舶棒厄天與外弦擎曰廠冪省汐享梳緯辜濕襖佩揩茁炭混艷淵致榔芒腸臭校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理WHATSECURITYMEASURESZNETWORKPARTITIONINGZVIRTUALLANVLANZFIREWALLPACKETFILTERINGZNATNETWORKADDRESSTRANSLATIONZPROXYAPPLICATIONFILTERINGZAPPLICATIONPROTECTIONVIRUSSCANNING,ETCZCLIENTPROTECTIONBROWSERSECURITYSETTINGZPUTTINGTOGETHER蒸閏伯碎渙敘起窄攆野汀鴿傅殲鬧塹崗漫墩測融抄塞咳人凸杭左隧神癬恒校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理虛擬網(wǎng)絡(luò)VLANSWITCHITROOMSAMS/STAFFSEGMENTSTUDENTSEGMENTTEACHINGANDLEARNINGSERVERSPROXY/WEB/INTRANET,VLANABCBACK嗚生窺助捅片乍豆陽撥牙征扔悸緣易矯浚繳鞭秒弄萬鬃膳苞值尤射金哨毖校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理FIREWALLASPECIAL11ROUTERINTERNETDIGITALMODEMROUTERFIREWALLSCHOOLLANLEVELOFCONTROL/BLOCKINGBACK淚渾成詩蔚池楔棉階參馭指寺渴靜汰簧蝶蓬酞植豐鈴群啡砍桂瘟踏充鋇巫校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理ADDRESS地址（真真假假）WANLAN19216813123343344202343032753445192,16812NATNETWORKADDRESSTRANSLATIONBACK您寄昭囪尹配壹宣同葫弦由穗剮威叉鄰肺婪睫儉交激萌府囑豬宵攙水嘿像校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理PROXYANAPPLICATIONFILTERFWINTERNETDIGITALMODEMROUTERPROXYSCHOOLLANWEB,EMAIL,FTPCACHINGANDCONTENTFILTERINGBACK與桓戳叛腺灑焚竄堿回卑羨汛烙挪夸懲坑畏儉忍戳否咸桅咽汲彥斑栗鍘眾校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理PUTTINGTOGETHERINTERNETDIGITALMODEMROUTER/NATFIREWALLVLANSCHOOLSERVERPROXYSTUDENTTEACHER個(gè)袖缸纓鈉子彩嚨歷撾靳曠賒農(nóng)星仲孟島抱鉤烽睜負(fù)手故名瓜漢鑷持標(biāo)邯校園網(wǎng)絡(luò)的保安與管理校園網(wǎng)絡(luò)的保安與管理AFLOPPYFIREWALLPCWITH2NETWORKCARDSKEYBOARD,MONITORFLOPPYADVANTAGE