BI信息系統(tǒng)安全機(jī)制之訪問(wèn)控制技術(shù)教材

訪問(wèn)控制技術(shù)孫建偉計(jì)算機(jī)網(wǎng)絡(luò)攻防對(duì)抗技術(shù)實(shí)驗(yàn)室北京理工大學(xué)內(nèi)容概要訪問(wèn)控制原理自主訪問(wèn)控制強(qiáng)制訪問(wèn)控制基于角色的訪問(wèn)控制常用操作系統(tǒng)中的訪問(wèn)控制概念通常應(yīng)用在信息系統(tǒng)的安全設(shè)計(jì)上。定義：在保障授權(quán)用戶能獲取所需資源的同時(shí)拒絕非授權(quán)用戶的安全機(jī)制。目的：為了限制訪問(wèn)主體對(duì)訪問(wèn)客體的訪問(wèn)權(quán)限，從而使計(jì)算機(jī)系統(tǒng)在合法范圍內(nèi)使用；它決定用戶能做什么，也決定代表一定用戶身份的進(jìn)程能做什么。未授權(quán)的訪問(wèn)包括：未經(jīng)授權(quán)的使用、泄露、修改、銷毀信息以及頒發(fā)指令等。非法用戶進(jìn)入系統(tǒng)。合法用戶對(duì)系統(tǒng)資源的非法使用?？捅俭w賓（涼O霸b允j霞e棗c姥t螺）：博規(guī)邪定疲需鑼要室保這護(hù)苦的挺資橋源壯，詳又徐稱忘作款目際標(biāo)對(duì)（攔t懂a(chǎn)尊r和g尚e貞t叼)婆。主郊體探（臟S訂u腥b牢j匪e瞎c駕t考）：伶或超稱腥為棋發(fā)傾起厘者宮(唉I之n問(wèn)i辣t吳i鋤a炮t等o楊r押)材，永是低一傾個(gè)媽主散動(dòng)弦的粉實(shí)窗體會(huì)，堆規(guī)棗定給可接以耕訪愈問(wèn)燒該逢資閥源能的爭(zhēng)實(shí)智體悟，黨（查通言常概指船用海戶皺或舟代淚表歉用堅(jiān)戶品執(zhí)衛(wèi)行品的廚程允序鞭）覽。授演權(quán)君（拌A績(jī)u齒t必h朋o仗r弊i潛z半a穿t軟i黃o庸n減)：味規(guī)互定繁可屑對(duì)蝦該韻資涌源中執(zhí)津行屆的南動(dòng)羨作絕（詢例溉如塞讀畢、窗寫斬、示執(zhí)毀行縱或嘉拒抄絕榴訪開(kāi)問(wèn)繩）座。訪天問(wèn)息控且制晃模亞型刪基擱本犧組屬成任哀務(wù)識(shí)砌別停和勿確珠認(rèn)勇訪朝問(wèn)游系宜統(tǒng)責(zé)的牧用減戶在。認(rèn)稅證鑒宋權(quán)決撇定葵該遙用重戶敘可豆以雅對(duì)趣某稅一伏系臺(tái)統(tǒng)浙資磚源呀進(jìn)寫行故何驗(yàn)種辜類言型醋的鬼訪恢問(wèn)萌。授酸權(quán)審牌計(jì)訪五問(wèn)疊控酸制理與熊其極他啟安溝全播服閑務(wù)衰的聞關(guān)鋪系姨模國(guó)型引閘用影監(jiān)控砌器身?yè)尫菪嫡J(rèn)述證訪債問(wèn)巡壽控疏制授潮權(quán)作數(shù)事?lián)脦?kù)用悠戶目懲標(biāo)目滅標(biāo)目鴿標(biāo)目范標(biāo)目蓬標(biāo)審術(shù)計(jì)安給全愧管降理生員訪怎問(wèn)拿控羞制碰決曲策疏單君元訪手問(wèn)鑰控揭制春的街一間般描實(shí)秤現(xiàn)杠機(jī)故制符和繁方率法一杰般微實(shí)內(nèi)現(xiàn)損機(jī)礙制—嬌—基然于燈訪惜問(wèn)快控廊制耗屬基性—煌—濤〉犯訪狀問(wèn)坑控垮制嚴(yán)表腰/壺矩播陣基莊于與用參戶錯(cuò)和緞資傷源服分拜檔箱（仗“伏安獵全嫌標(biāo)剃簽緩”胞）—凡—腳〉硬多據(jù)級(jí)求訪自問(wèn)躬控版制常強(qiáng)見(jiàn)耀實(shí)濫現(xiàn)吉方瓦法—易—訪碧問(wèn)僻控室制辯表襪（A捕C歡L番)訪鑄問(wèn)濃能饑力團(tuán)表失（C鉤a俗p浮a覽b仇i喘l朝i耳t禮i樂(lè)e歇s休)授侄權(quán)冶關(guān)晴系繳表訪齒問(wèn)愧矩陳陣定夕義客小體(啟O照)主鍋體(餐S口)權(quán)真限(范A抓)讀(身R賤)寫(吃W炎)擁堵有(御O槽w餓n救)執(zhí)撤行(課E現(xiàn))更婆改(宏C武)舉走例問(wèn)絕題陽(yáng)：晨稀惹疏居矩柔陣才，啞浪后費(fèi)獸空轉(zhuǎn)間蹦。訪夠問(wèn)?？啬笾撇穷愲A型自殺主訪窮問(wèn)愚控賺制強(qiáng)怒制訪馳問(wèn)畜控躁制基竭于魚角杯色訪腫問(wèn)枕控豪制訪顆問(wèn)累控裹制自柏主粥訪畫問(wèn)建控抄制D嗚i查s嗓c果r桂e顆t遙i棄o皆n艦a瀉r滾y食A即c命c(diǎn)習(xí)e藝s搶s趴C罪o失n簽t嘩r沫o折l概敗念基規(guī)于候?qū)嶂骺刁w嶼或?qū)懼鳉q體肚所勇屬蝴的筒主鉤體表組姿的弓識(shí)掠別眠來(lái)虧限冒制洽對(duì)屬客評(píng)體賞的榨訪微問(wèn)贊，億這惠種死控藏制穩(wěn)是鴉自徑主紡的崗。自幸主次指襲主撕體殊能急夠列自封主屬地司將硬訪萬(wàn)問(wèn)附權(quán)溜或杠訪姑問(wèn)歇權(quán)卻的數(shù)某薯個(gè)肚子脅集扁授示予徒其守他歪主唉體哥。如釣用續(xù)戶A薄可連將久其歐對(duì)閃目史標(biāo)傍O這的貪訪詠問(wèn)珠權(quán)帳限誘傳僅遞雜給艦用惱戶嗎B撫,卸從減而強(qiáng)使鉗不駛具卡備裳對(duì)雪O寬訪凈問(wèn)陶權(quán)判限消的見(jiàn)B圣可林訪晶問(wèn)孟O快。缺租點(diǎn)趴：信旬息寬在仰移環(huán)動(dòng)筆過(guò)訂程貪中腫其丸訪仁問(wèn)鞏權(quán)奇限鳴關(guān)帝系嚇會(huì)盲被忌改符變圣：晴安東全鬧問(wèn)墻題訪薦問(wèn)猛控劫制桐表搜（情A昆c堆c肉e倚s兔s凝C獨(dú)o羨n款t邊r懸o午l灰L零i殖s襯t晨）基遭于凳訪隱問(wèn)絲式控止制歷矩閣陣列的稿自妥主墻訪魔問(wèn)借控遵制抱。每走個(gè)客扁體都擊有乒一斑張糾A美C乘L貨，斜用渡于聞?wù)f飯明捏可食以燈訪城問(wèn)奇該客客息體悲的櫻主宴體藝及蠅其尺訪告問(wèn)插權(quán)申限孟。舉橫例唱：客斧體幻玉目請(qǐng)錄A彩C拐L表o從:葡O倚w漸n定e哪rr辱:梯R常e黑a逢dw柏:墓W摧r變i起t朗ee末:含E朗x裳c律u韻t怖eoj表貫示泛客筋體羞j蒙，崗si.填r憑w蓄表波示落主記體董si具趕有芽r撥w晚屬洞性渴。oj問(wèn)極題沖：主葵體石、質(zhì)客煌體辛數(shù)州量癢大攏，召影含響裁訪掘問(wèn)仙效祖率縱。解秧決麗：引肉入議用吐戶臟組晨，拘用駝戶壯可盛以躬屬縱于獸多焰?zhèn)€趨組鵲。主敲體毛標(biāo)擴(kuò)識(shí)眨=吼主顏體胳.保組蹈名如暴L川i基u先.常I井N專F欲O蛾表晴示紙I鍛N未F駁O禾組重的漁l港i目u斥用捕戶神。*陜.符I譽(yù)N修F熄O卷表波示斥所閥有杯組揚(yáng)中皮的響用勸戶虹。*教.府*朋表熟示袖所逮有偵用什戶咱。l意i稍u(píng)圈.圣I價(jià)N饒F(tuán)文O侄.談r境w儲(chǔ)表悲示主對(duì)幣I心N蘋F脹O吧組解的草用寧戶醫(yī)l旁i零u養(yǎng)具赴有辛r趨w歌權(quán)考限均。*虛.孩I濫N迫F添O氣.乖r開(kāi)w陶表覺(jué)示滅對(duì)霧I客N丹F原O紛組房誠(chéng)的米所刑有則用艷戶待具童有瞧r奶w六權(quán)科限啟。*東.鄙*梯.夜r她w慢表柄示呢對(duì)標(biāo)所慣有完用糟戶計(jì)具歌有吩r間w躍權(quán)腹限劃。oj訪掘問(wèn)停能刷力盛表彈（筆A譽(yù)c膏c梳e霧s化s司C始a卸p洋a續(xù)b鋤i彈l燃i躁t禮i澤e饒s殘L飄i論s炕t喜）基奪于鼻訪刃問(wèn)譯控離制鑰矩菠陣行的怪自乖主柴訪鏟問(wèn)濃控辱制惹。為貢每進(jìn)個(gè)傘主血體鄉(xiāng)豐（尸用維戶達(dá)）疼建殿立救一票張賢訪后問(wèn)乘能錦力卵表腰，辯用劃于帆表吹示龍主雄體慰是則否憤可衰以膜訪稍問(wèn)扮客縣體遲，灑以晝及媽用呀什紀(jì)么壺方爽式摟訪枯問(wèn)至客丘體俊。文拳件嗚名客健體(文續(xù)件)F隨i袋l指e喊1F克i狡l刃e象2F忙i航l快e呢3o絮:棟O低w溪n釘e鉤rr渣:豬R庸e育a戶dw剝:暢W管r存i芽t療ee萄:牙E價(jià)x否c勢(shì)u偽t敞e舉世例述：權(quán)受限用礎(chǔ)戶A的網(wǎng)目冠錄用猜戶B的槍目肅錄訪窩問(wèn)裝能盞力御表強(qiáng)蒸制刻訪由問(wèn)濃控肺制M帥a嚇n再d摸a壁t恰o毀r壓y殺A燥c賊c杰e任s浙s戲C持o朋n勉t哲r絨o府l概偽念為倦所兼有廢主餓體續(xù)和蔬客甩體啦指槍定套安繁全孝級(jí)律別喚，姨比婆如窄絕域密壓級(jí)齒、橋機(jī)朽密餃級(jí)戲、笛秘哥密譽(yù)級(jí)間、偷無(wú)如秘毅級(jí)菜。不寧同萄級(jí)親別商的虛主坑體攏對(duì)迅不論同部級(jí)喬別樣的金客陶體山的返訪僅問(wèn)貿(mào)是估在沈強(qiáng)撓制拔的藍(lán)安芽全提策爸略拐下閑實(shí)最現(xiàn)票的住。只姜有企安鞠全騙管搏理岡員校才躬能邁修側(cè)改努客厘體妄訪移問(wèn)閉權(quán)忌和嗽轉(zhuǎn)矛移界控球制堡權(quán)愛(ài)。袋（宅對(duì)扛客坊體優(yōu)擁喜有臟者灘也茶不負(fù)例蘭外提）M悉A茶C科模津型絕妥密扛級(jí)機(jī)怪密莖級(jí)秘姐密捆級(jí)無(wú)某秘紅級(jí)寫寫讀讀完樣整作性保否密勻性安囑全聾策茂略保聲障般信聰息斑完董整漲性腫策掙略級(jí)偷別丟低煎的貧主彈體他可璃以巡壽讀反高論級(jí)麥別漁客漸體姓的敵信立息遣（慚不捐保斬密伯）胞，龜級(jí)湯別忌低巨的記主孤體氏不血能匠寫方高脾級(jí)糟別待的顯客火體斧（無(wú)保蠶障昨信旱息免完塘整匪性消）保忽障蛙信學(xué)息餡機(jī)蛙密午性多策峽略級(jí)億別璃低奶的布主拘體戀可屋以啦寫好高珍級(jí)陜別辭客歉體粥的租信巡壽息模（陷不召保熔障止信葉息舅完化整淘性意）規(guī)，扣級(jí)吹別槐低什的深主秩體赴不乳可微以陳讀害高思級(jí)炒別艦的惹客轎體釋（恥保墳密鴨）舉濾例撐：S掃e國(guó)c掙u墨r鉛i踐t壓y百-爺E冊(cè)n糟h漆a消n樂(lè)c扇e么d攜L諒i蠅n吐u爹x吉(瘦S芹E脊L駱i荷n訪u閣x亞)的f四o平r廣R訂e貴d個(gè)H障a徐t洽E弊n槽t犬e卻r肝p缸r聽(tīng)i摸s項(xiàng)e浩L辛i拔n槍u縣xA名p毫p秋A燈r率m防o宵r喬f內(nèi)o子r糠S頁(yè)U走S嶺E臨L北i還n林u尼x戒a逐n迷d啦U摘b劍u坑n蝕t硬uT睛r虎u劫s市t編e棕d掏B蕉S艦D釘f掛o獵r垃F(xiàn)購(gòu)r采e歉e臺(tái)B斥S魚D基倒于轉(zhuǎn)角益色思的劃訪沉問(wèn)唱控撇制R久o抹l益e志B享a聞s損e息d扣A允c比c叛e鍋s現(xiàn)s堵C腥o墓n啦t起r認(rèn)o謹(jǐn)l概穴念起溪源釘于哪U張N低I縱X系喚統(tǒng)箱或賭別歌的值操昏作恩系疼統(tǒng)頃中口組或的煩概你念鏈（舌基祥于睜組豎的易自墾主爽訪壤問(wèn)幫控接制猜的致變啄體綁）每今個(gè)毛角屆色購(gòu)與漫一蔥組咳用逮戶置和貢有科關(guān)汗的香動(dòng)課作毛相只互在關(guān)騾聯(lián)慰，后角摸色片中血所熔屬陶的鳳用越戶樣可拾以混有板權(quán)元執(zhí)佛行米這滑些航操種作角愈色異與枝組細(xì)的榨區(qū)非別組棵：律一妻組無(wú)用獻(xiàn)戶誘的蚊集淹合角府色棕：笛一冤組彎用震戶才的寬集惡合+夸一撿組斑操間作芬權(quán)箏限慰的薦集墳合R螞B汁A啦C礦模透型用斯戶角框色權(quán)哭限訪姿問(wèn)昨控暢制資監(jiān)源1、冠認(rèn)斥證2、傲分愉派3、誦請(qǐng)嫌求4、津分奪派5、個(gè)訪攤問(wèn)角曾色位控條制拾優(yōu)杏勢(shì)便選于刻授優(yōu)權(quán)鴨管割理授假權(quán)懷操收作霞：n丘*探m變存成n果*玻r紐奉+閱r龜*呈m撐=識(shí)r航*跡(朵n財(cái)+看m喝)便取于除角粥色著劃棗分便晃于稀賦魄予剝最稈小帖特局權(quán)便屈于堆職窄責(zé)置分躬擔(dān)便括于養(yǎng)目待標(biāo)啞分黃級(jí)一棋個(gè)涉基攜于鋤角彼色器的漆訪裹問(wèn)勁控盤制項(xiàng)的恥實(shí)盈例在吐銀淹行雙環(huán)貝境組中陪，順用盒戶染角很色礎(chǔ)可階以慚定針義嫂為出渣納便員騎、松分嗚行旬管新理雞者問(wèn)、喂顧固客珍、合系旗統(tǒng)裳管哨理艱者材和姻審惱計(jì)奸員訪四問(wèn)幻玉控脆制強(qiáng)策記略促的財(cái)一處個(gè)墊例欲子瞎如侄下亡：（竭1鮮）毅允魚許繼一通個(gè)采出曲納兼員距修蓬改捎顧崗客陜的迷帳半號(hào)道記歐錄準(zhǔn)（護(hù)包漂括悟存賀款勸和似取糾款沿、拔轉(zhuǎn)臂帳顯等址）恰，克并掙允夫許擋查從詢純所貴有擇帳捎號(hào)河的素注趨冊(cè)叔項(xiàng)（逃2針）狗允卵許區(qū)一個(gè)個(gè)催分飼行釀管蹤蝶理冤者猴修秧改轟顧鋒客江的哥帳收號(hào)治記光錄涌（宿包交括新存邀款晚和尼取晨款宴，叉但磁不挺包題括崗規(guī)蟲(chóng)定閑的輛資獎(jiǎng)金授數(shù)鑄目洗的投范飽圍刃）造并萄允下許舅查補(bǔ)詢壘所雖有漏帳懇號(hào)揪的卷注慣冊(cè)東項(xiàng)倆，訴也拍允煌許州創(chuàng)猛建溪和升終芳止輸帳幟號(hào)（懸3無(wú)）鼠允土許評(píng)一顫個(gè)壇顧情客桿只逝詢藍(lán)問(wèn)過(guò)他裳自籮己灰的臣帳跨號(hào)某的量注嬌冊(cè)忘項(xiàng)（餐4茂）辣允害許陽(yáng)系更統(tǒng)挨的狂管刺理考者遣詢哈問(wèn)給系教統(tǒng)宰的階注仗冊(cè)墊項(xiàng)住和慈開(kāi)襯關(guān)劉系豎統(tǒng)須，節(jié)但屆不饒?jiān)势苍S錦讀韻或抓修模改聯(lián)用星戶構(gòu)的孝帳值號(hào)哈信瘦息（域5餅）嘴允四許疑一狼個(gè)舉審易計(jì)湯員遙讀份系畜統(tǒng)瞧中疏的熟任剖何椒數(shù)倦據(jù)彼，嗚但洽不健允斯許湊修瘦改鴨任宴何比事歉情系餅統(tǒng)僅需奔要慌添釘加塵出手納銅員嫁、疏分蜻行政管擠理勞者予、念顧排客賣、擇系杜統(tǒng)浪管救理臉者旱和師審構(gòu)計(jì)益員諷角探色悉所擋對(duì)罰應(yīng)局的談?dòng)梅鋺粝?，山按學(xué)照巾角那色綿的振權(quán)扔限迎對(duì)流用花于飄進(jìn)尊行繼訪鵲問(wèn)臨控臂制旅。常幕用疫操植作洞系驗(yàn)統(tǒng)莖中收的舞訪題問(wèn)眠控吉制國(guó)斬際引安最全范標(biāo)撫準(zhǔn)1截9借8膛4駁年階，坐美川國(guó)烤國(guó)泥防卡部近發(fā)頁(yè)布封了迎《剛可橡信披計(jì)妻算加機(jī)登系零統(tǒng)傷評(píng)鄰估靜標(biāo)疾準(zhǔn)瀉》首（仔T倡C職S寶E箱C陽(yáng)）雄，陷即慣桔樓皮數(shù)書夾。T效C柏S望E鉤C副采常用愿等爐級(jí)銳評(píng)芬估非的赤方刷法斧，讀將桌計(jì)畜算份機(jī)敞安爹全游分騰為喂A皆、擔(dān)B繁、爹C凝、述D斥四壓個(gè)傍等垮級(jí)書八昏個(gè)徹級(jí)需別筑，堅(jiān)D嫩等繼安攀全這級(jí)級(jí)別蓬最察低付，叮A司安宗全頂級(jí)命別沖最陷高王?，F(xiàn)爛在厲大嚇多趟數(shù)頃通辭用廣操者作些系暫統(tǒng)犬（忙W備i避n壞d聚o方w香s系N撫T壯、咸L伙i關(guān)n棄u宏x拖等仁）樓為胖C姨2壁級(jí)疏別售，枕即被控椒制秘訪績(jī)問(wèn)揮保喬護(hù)淚級(jí)竟。W番i撐n睜d錯(cuò)o闖w蔬s廉N堵T誼(德自盲主檢訪薄問(wèn)在控畜制焰)W趟i睬n堡d蠻o艷w跑s廣安臘全閑模眉型S貫e墳c簽u筑r抽i忙t番y遷A鏈c筍c害o勿u疫n立t菜M驗(yàn)a夕n忍a煌g斧e戀rL穗o焰c第a謠l態(tài)S噴e洲c荒u禁r段i強(qiáng)t弊y遞A箭u庭t其h創(chuàng)o懂r遼i娃t虧y廁(染L館S口A旋)S亂e住c鋒u喇r狡i肝t昆y君R壇e幸f讀e米r坡e僵n擋c助e讀M貌o層n升i絨t餡o妻r(nóng)訪閣問(wèn)暮控螺制地過(guò)晨程組聰成逐部癥件蓬：安借全質(zhì)標(biāo)箱識(shí)場(chǎng)：秩帳超號(hào)筐的采唯妖一增對(duì)速應(yīng)量。訪廊問(wèn)宋令蘭牌目：L羞S旁A烏為巧用佛戶炮構(gòu)聽(tīng)造秤的教，顫包脫括協(xié)用添戶自名板、語(yǔ)所指在竟組騾名描、究安起全害標(biāo)鋼識(shí)做等煉。主耕體轉(zhuǎn)：康操武作貌和添令蹦牌祖。對(duì)孕象提、供資做源糞、古共傭享遇資盛源安舞全曲描陡述般符罷：總為德共枕享悔資嬌源俱創(chuàng)巷建恥的圖一斃組務(wù)安通全減屬婆性所決有暑者明安菌全蝕標(biāo)朋識(shí)搬、雙組拌安寸全員標(biāo)房誠(chéng)識(shí)章、自籃主暗訪銷問(wèn)城控脫制己表、我系宅統(tǒng)特訪辮問(wèn)撓控浩制遺表仗、暫訪予問(wèn)拴控殊制購(gòu)項(xiàng)仁。登餐錄艷過(guò)從程服孤務(wù)此器歌為播工守作愈站仗返漿回偵安惹全箱標(biāo)震識(shí)播，細(xì)服赴務(wù)姑器蟲(chóng)為更本奪次鬧登談錄議生爸成狗訪昨問(wèn)椒令落牌用沫戶民創(chuàng)方建濫進(jìn)認(rèn)程P犯時(shí)摔，蟲(chóng)用趟戶徑的樓訪據(jù)問(wèn)淋令繁牌息復(fù)連制肉為庭進(jìn)脾程工的項(xiàng)訪濤問(wèn)匪令付牌贈(zèng)。P常進(jìn)唱程越訪宴問(wèn)還對(duì)采象綠時(shí)段，蜂S刑R謠M予將否進(jìn)垂程頓訪強(qiáng)問(wèn)亂令受牌融與褲對(duì)獸象李的例自念主腦訪返問(wèn)愧控詢制雖表伯進(jìn)速行守比恐較仔，跪決卡定別是裁否耳有槳權(quán)已訪土問(wèn)什對(duì)車象柴。N諒T鞠F該S的彩訪慣問(wèn)賊控枝制從舞文繪件棗中西得兄到椒安猜全族描禮述困符傷（謎包攪含褲自絮主種訪惱問(wèn)挎控糞制費(fèi)表筒）路；與拋訪討問(wèn)蛇令煙牌慚（個(gè)包欠含抓安幅全挪標(biāo)瞞識(shí)反）要一懸起慮由S沫R醫(yī)M惱進(jìn)辣行哥訪姜問(wèn)偽檢掀查L(zhǎng)芳i當(dāng)n古u座x掛(暫自欣主圈訪碼問(wèn)范控南制歉)設(shè)曬備尿和蛇目呀錄哨同亦樣令看是作層文肉件麻。三重種菊權(quán)侵限炎：R蹄:稼r滋e擋a之dW蘆:班w換r系i唯t稱eX咐:稅e仿x號(hào)c洽u良t托e權(quán)創(chuàng)限誕表耽示炎：字透母婆表尤示套：r距w備x貓，廳不幅具國(guó)有租相付應(yīng)慌權(quán)魄限落用沸-惠占數(shù)位8違進(jìn)界