Tej teeb meem ntawm tus IP chaw nyob rau hauv lub network: kom paub tias thiab Resolution

Nyob rau hauv forums ib lo lus nug txog lub network tsis tseg ntawm lub nce uas muaj tib lub IP chaw nyob rau hauv tib lub cev ya. Nws hloov tawm lub thiaj li hu ua teeb meem ntawm tus IP chaw nyob rau hauv lub network. Tom qab nyeem ntawv ntau yam ntawm cov forums nws yuav paub tseeb hais tias tsis yog txhua txhua kom zoo to taub tus txheej txheem no, thiaj li muaj ntau yog pib muab cov lus tseeb rau ib tug ntau yam ntawm cov ntawv tseeb thiab conjectures uas yog deb ntawm qhov tseeb. Tsis li ntawd, ntev dhau los nyob rau hauv ib tug zoo heev pab cov thawj coj kwm debated no qhov teeb meem. Nyob rau hauv no hais txog, nws yog tsim nyog los cas meej lub nias qhov teeb meem no. Lub rooj sab laj hom - ib tug pauv ib tug saw ntawm cov lus nug thiab cov lus teb rau lawv, thiab nyob rau hauv qhov tsab xov xwm yuav npog txhua yam li qhia siv kuj.

Tej teeb meem ntawm tus IP chaw nyob rau hauv lub network thiab network twg

Qhov tshaj plaws xwb uas yog lub luag hauj lwm kev tswj ntawm lub Individuals ntawm network chaw nyob, raws tu qauv hloov dua siab tshiab yog ARP chaw nyob. Nws yuav sawv cev nyob rau hauv ib co daim ntawv tag nrho cov no sis. Thaum ib tug tshiab tus IP chaw nyob, ntawm A xa ib tug tshwj xeeb broakdast yeem thov mus rau lub ARP hom. Nws yog ib qho tseem ceeb kom nkag siab txog hais tias qhov no tag nrho cov txheej txheem tsis muaj feem xyuam IP DNS neeg rau zaub mov qhov chaw nyob. Thov yog ib tug tshwj xeeb daim ntawv ntawm cov ntaub ntawv kis tau tus mob, nyob rau lub teb SPA TRA thiab muaj lawv tus kheej cov chaw nyob. Yog hais tias qhov kev thov no tau teb, thiab nws yog ib tug teeb meem ntawm tus IP chaw nyob rau hauv lub network. Yog hais tias muaj yog tsis muaj lus teb, ces qhov chaw nyob thiab doubles tog twg los, thiab nws yog nws nyob rau hauv lub network. Ntau npaum li cas nthuav qhov teeb meem no thaum cov lus teb los, uas nyob rau hauv cov ntaub ntawv uas muaj ib tug network?

Cov ntawm xa ib daim ntawv thov mus rau lub network, acquires tus txheej xwm ntawm lub thiaj li hu ua attacker qhov chaw, thiab ib tug uas tau muab cov lo lus teb rau qhov kev thov, acquires tus txheej xwm ntawm lub rov site. Yuav ua li cas tshwm sim rau txhua tus ntawm lawv nyob rau hauv tus txheej txheem ntawm kev nrhiav kom tau ntawm qhov teeb meem?

Xav txog ib tug attacking unit. Yog hais tias nws tsis tau teem ib tug dynamic IP chaw nyob, thiab cov chaw no yog ua los manually, tom qab lub teb yog pib dua initialization chaw nyob, uas yog, qhov ntawm yuav tsis muab ib tug kev tsis sib haum chaw nyob mus rau lub interface. Cov ntaub ntawv yuav tsum muab ntaus rau hauv lub cav ua ntaub ntawv thov, thiab cov kev ua yuam kev yog tso tawm ntawm qhov screen. Yog hais tias lub chaw nyob chaw yog ua ntawm lub DHCP, ces tus neeg muas zaub yuav tsum qhia tau tseeb rau cov teeb meem uas nyob, uas tau txais los ntawm lawv los ntawm DHCP neeg rau zaub mov nyob rau hauv ib tug tshwj xeeb pob DHCPOFFER. Nyob rau hauv cov ntaub ntawv uas, yog hais tias nws hloov tawm hais tias lub chaw nyob ntawm lub DHCPOFFER backup, ces tom qab tus neeg tau txais ib lo lus teb rau qhov kev thov yuav tsum xa mus rau ib tug tshwj xeeb pob DHCPDECLINE DHCP neeg rau zaub mov. Nyob ntawm seb cov kev pab cuam siv qhov chaw nyob no yuav tsum khij raws li cov, ces nws yuav tsum tau muab tshem tawm los ntawm daim ntawv teev cov muaj chaw nyob. Tom qab hais tias, cov neeg muas zaub yuav tsum ua tshiab me nyuam no yuav tau txais cov ip chaw nyob ntawm lub neeg rau zaub mov xa cov DHCPDISCOVER packets.

Tam sim no koj yuav saib tau lub chaw nyob tus IP teeb meem nyob rau hauv cov network sab ntawm lub rov site. Lawv txiav txim qhov teeb meem yog heev yooj yim, Yog hais tias lub teb ntawm SPA, ces tus ntawm yog los nrog nkawd tham teeb meem. Qhov tseeb yog tseem muaj sau nyob rau hauv cov kev tshwm sim cav, thiab cov neeg siv tau txais ib qho kev ua yuam kev cov lus. Nyob rau tib lub sij hawm nrog lub rov party ip chaw nyob yog tsis muab tshem tawm, nws tau ua ib tug ua ntawm teeb meem. Tom qab ascertaining qhov teeb meem pib mus ua hauj lwm ib tug mechanism rau daws cov uas twb muaj lawm tej teeb meem. Lub essence ntawm qhov teeb meem nyob rau hauv cov ntaub ntawv no yog raws li nram no: tom qab xa ib cov lus nug yog xa mus rau ib tug yeem thov rau tag nrho cov qhua tuaj noj mov feem nyob rau hauv ib lub qauv. Cov no kom tau ib tug qauv ntawm cov serial kev sib txuas lus triple ntas.

Nws yog ib qho tseem ceeb kom to taub tias cov kev sib txuas lus thov thiab cov lus teb xwb initialize qhov chaw nyob. Yog hais tias, piv txwv li, lub qhov chaw tau raug teeb rau qhov chaw nyob muaj teeb meem ua ntej nws twb kev txuas mus rau lub network, tom qab nws cov menyuamuas yuav tsis tshwm sim yeem pauv ntawm cov ntaub ntawv thov. Nyob rau hauv no hais txog, ob lub pob hlav ntawm lub network yuav tau siv los ntawm lub chaw nyob muaj teeb meem, tab sis, nrog txhua tshiab ARP thov ob ntshav yuav tsim uas tsis nyob rau hauv tej teeb meem chaw nyob.