【正文】 Government work, consisting of requirement, security analysis of risk, target of Government are analyzed.The integer solution of work security is analyzed in the paper and is essentiality to the aspect of security, usability, controlling, auditing of work system, also can be used to improve building Egovernment of shenyang in different cities.Key words： EGovernment, Network Security, PKI, Digital SignatureI / 60目 錄摘 要 .................................................................................IABSTRACT ................................................................................II第 1 章　 緒 論 .........................................................................1 研究背景和意義 ......................................................................1 國(guó)內(nèi)外發(fā)展現(xiàn)狀 ......................................................................2 文章主體結(jié)構(gòu) ........................................................................3第 2 章　 基本理論及概念 ...................................................................4 基本概念 ............................................................................4 信息系統(tǒng)安全結(jié)構(gòu) ....................................................................4 技術(shù)體系 .......................................................................4 機(jī)構(gòu)體系 .......................................................................5 管理體系 .......................................................................6 網(wǎng)絡(luò)安全技術(shù) ........................................................................6 防火墻技術(shù) .....................................................................6 數(shù)據(jù)加密技術(shù) ...................................................................9 數(shù)字簽名技術(shù) ..................................................................11 公共密鑰體制技術(shù) ..............................................................11 SSL 協(xié)議技術(shù) ..................................................................13第 3 章　 電子政務(wù)的網(wǎng)絡(luò)安全分析 ..........................................................15 安全風(fēng)險(xiǎn)分析 .......................................................................15 物理層方面 ....................................................................15 網(wǎng)絡(luò)層方面 ....................................................................15 ....................................................................16 ....................................................................16 管理層方面 ....................................................................17 安全需求分析 .......................................................................17 安全控制策略分析 ...................................................................18 層次結(jié)構(gòu) ......................................................................18 企業(yè)級(jí)的安全控制 ..............................................................19 應(yīng)用級(jí)的安全控制 ..............................................................19 系統(tǒng)級(jí)的安全控制 ..............................................................20 網(wǎng)絡(luò)級(jí)的安全控制 ..............................................................21 安全目標(biāo)分析 .......................................................................21 小結(jié) ...............................................................................22第 4 章　 電子政務(wù)網(wǎng)絡(luò)系統(tǒng)的安全設(shè)計(jì) ......................................................23 安全系統(tǒng)的設(shè)計(jì)原則 .................................................................23 綜合性的原則 ..................................................................23 一致性的原則 ..................................................................23 多步驟實(shí)施的原則 ..............................................................23 可評(píng)價(jià)性的原則 ................................................................24 安全方案的類(lèi)型 .....................................................................25 物理的安全 ....................................................................25 系統(tǒng)的安全 ....................................................................26 訪問(wèn)控制問(wèn)題 ..................................................................26 通信的加密 ....................................................................28 入侵的檢測(cè) ....................................................................29II / 60 數(shù)據(jù)的保護(hù) ....................................................................30 安全的審計(jì)問(wèn)題 ................................................................31 病毒的防護(hù) ....................................................................31 備份的恢復(fù)情況 ................................................................32 安全的管理 ...................................................................33 小結(jié) ...............................................................................35第 5 章　 電子政務(wù)網(wǎng)絡(luò)安全的解決方案 ......................................................37 沈陽(yáng)市電子政務(wù)概況 ................................................................37 應(yīng)用的特點(diǎn) ....................................................................37 網(wǎng)絡(luò)的結(jié)構(gòu)和網(wǎng)絡(luò)的威脅 ........................................................37 相關(guān)安全的解決方案 ................................................................39 安全解決方案中的物理層 ........................................................39 網(wǎng)絡(luò)訪問(wèn)控制的解決方案 ........................................................40 網(wǎng)絡(luò)系統(tǒng)有關(guān)安全的解決方案 ....................................................43 網(wǎng)絡(luò)資源的管理解決方案 ........................................................44 網(wǎng)絡(luò)入侵的偵測(cè)方案 ............................................................45 用戶身份認(rèn)證的安全處理方案 ....................................................465 . 網(wǎng)絡(luò)病毒防護(hù)的解決方案 .......................................................47 數(shù)據(jù)恢復(fù)安全的應(yīng)對(duì)方案 ........................................................48 安全管理方面的解決方案 ........................................................50 小結(jié) ...............................................................................50總 結(jié) ...................................................................................52參考文獻(xiàn) ................................................................................54致 謝 詞 .......................................................