龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況報(bào)告.ppt

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1、龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況報(bào)告報(bào)告人：黃仁和2008/11/112008/11/111橋接器2008/11/112龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況橋接器的目的以個(gè)別機(jī)器的mac碼鎖定，控制個(gè)別電腦接觸網(wǎng)路2008/11/113龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況內(nèi)部網(wǎng)路的問(wèn)題12008/11/114龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況內(nèi)部網(wǎng)路的問(wèn)題22008/11/115龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況預(yù)想網(wǎng)路架構(gòu)真實(shí)ip層虛擬ip層橋接器DHCP發(fā)放Nat與ip對(duì)映個(gè)人電腦伺服器ip分享器交換器DHCP索取封鎖特定mac外界能瀏覽內(nèi)部伺服器伺服器2008/11/116龍?zhí)掇r(nóng)工

2、網(wǎng)路現(xiàn)況準(zhǔn)備工作Linux安裝bridge套件iptables的FORWARD鏈預(yù)設(shè)規(guī)則DROP偷偷掃描校內(nèi)電腦的mac碼2008/11/117龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況問(wèn)題與解決1DHCP發(fā)放ip橋接器應(yīng)能讓所有DHCP的UDP封包通過(guò)(埠號(hào)67/68)2008/11/118龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況問(wèn)題與解決2允許虛擬ip層架設(shè)伺服器(固定虛擬ip發(fā)放並以真實(shí)ip對(duì)映虛擬ip)橋接器對(duì)特定目的地的ip位置開(kāi)放或直接允許DHCP伺服器的mac2008/11/119龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況準(zhǔn)備白名單一般使用者會(huì)不會(huì)查mac?

3、伺服器，ip分享器，網(wǎng)路印表機(jī)的mac?2008/11/1110龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況內(nèi)部mac登錄伺服器真實(shí)ip層虛擬ip層橋接器DHCP發(fā)放ip對(duì)映個(gè)人電腦伺服器ip分享器交換器伺服器網(wǎng)路登錄mac伺服器2008/11/1111龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況在虛擬ip層架設(shè)網(wǎng)頁(yè)伺服器讓使用者登錄2008/11/1112龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況對(duì)伺服器及ip分享器測(cè)ip及mac2008/11/1113龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況後續(xù)處理如放棄上一層機(jī)器的mac認(rèn)同則需對(duì)每一臺(tái)虛擬層的伺服器均設(shè)開(kāi)放規(guī)則橋接器本身的防火牆設(shè)定(INPUT

4、鏈)需重新設(shè)定?2008/11/1114龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況但丁：道德常能彌補(bǔ)智慧的缺陷智慧卻往往無(wú)法彌補(bǔ)道德的缺陷2008/11/1115龍?zhí)掇r(nóng)工網(wǎng)路現(xiàn)況報(bào)告完畢，敬請(qǐng)指正2008/11/1116uSA$2B+464iEP4wdyeQUWRh6yg5sYwC-!vj52-%)puHCHmQ(gfg30*6PLoJ*ev2w73yTORqf+PXyyG6REPwO6hDiU!Fjub9PCqwp238Cd-PgXc+1D&SnYPvw7kmJw#O02Rsxw7dBDYoj%OCxLVsMx1%J

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