Yintoni iNetwork Tap (Vavanya i-Access Point) kwaye isebenza njani?

Ii-network taps zizixhobo ezibalulekileyo kwihlabathi lothungelwano. Zivumela ukujongwa kwedatha ngokukhuselekileyo ngaphandle kokuphazamisa ukuhamba kolwazi. Njengoko uJames Carter, ingcali ephambili kwi-Network Insights, watshoyo, "Ii-network taps zibonelela ngokubonakala ngaphandle kokuphazamiseka." Oku kugxininisa indima yazo ebalulekileyo ekugcineni ukuthembeka kwedatha ngelixa kuqinisekiswa ukujongwa.

Ezi zixhobo zisebenza ngokubamba ithrafikhi yenethiwekhi kwaye ziyithumele kwizixhobo zokubeka esweni. Le nkqubo ibalulekile kukhuseleko lwe-cyber, uhlalutyo lokusebenza, kunye nokusombulula iingxaki. Ii-network taps zisebenza ngokwahlulahlula umjelo wedatha, ukuqinisekisa ukuba ithrafikhi yokuqala ayichaphazeleki. Ukubaluleka kwee-network taps akunakugxininiswa kakhulu; ziphucula amanyathelo okhuseleko kwaye zibonelela ngengqiqo ebalulekileyo kwimisebenzi yenethiwekhi.

Nangona ukuthembeka kwazo kuqatshelwa kakuhle, kusekho imingeni ekusetyenzisweni kwazo. Ayizizo zonke iindawo zenethiwekhi ezifanelekileyo kwiimpompo. Uqwalaselo ngamanye amaxesha lunokukhokelela kwiingxaki ezingalindelekanga, ingakumbi kwiinkqubo ezinzima. Nangona le mida, iingenelo zokusebenzisa iimpompo zenethiwekhi zingaphezulu kakhulu kwezi ngxaki, nto leyo eyenza ukuba zibe yimfuneko kwiinethiwekhi zanamhlanje.

Yintoni iNetwork Tap?

I-Network TAP (Test Access Point) sisixhobo sehardware esakhelwe injongo ethile esibonelela ngendlela yokufikelela kwidatha ehamba kwinethiwekhi yekhompyutha. Sifakwa phakathi kwee-nodes ezimbini zenethiwekhi (ezifana neswitshi kunye ne-router) ukuze "sicofe" kwi-traffic ukuze ijongwe kwaye ihlalutywe ngaphandle kokuphazamisana nekhonkco lokuqala.

Ingaba isebenza kanjani?

Cinga nge-Network TAP njenge-"Y-splitter" yedatha. Idala ikopi echanekileyo yethrafikhi, ithumela ikopi enye kwindawo yayo yokuqala ukuze igcine unxibelelwano, kwaye ikopi yesibini kwisixhobo sokubeka esweni (njengesixhobo sokufunxa ipakethi, i-IDS, okanye isixhobo se-forensics).

Iintlobo eziphambili

I-CAP Engasebenziyo:Ayifuni mandla. Isebenzisa i-physical optical splitter ukwahlula imiqondiso yokukhanya (yefayibha) okanye i-magnetic induction (ye-copper). Ithembekile kakhulu kuba ayinayo "indawo yokusilela"—ukuba umbane uyacima, ikhonkco eliphambili lenethiwekhi lihlala lisebenza.

I-TAP esebenzayo:Ifuna amandla okuvuselela nokudlulisa kwakhona imiqondiso. Ezi zisetyenziswa xa ukuthembeka kwesignali kufuneka kuphuculwe okanye ekuguquleni imidiya (umz., iFiber ibe yiCopper).

Dlula i-TAP:Yenzelwe izixhobo zokhuseleko "ezingaphakathi" ezifana neeFirewalls okanye ii-IPS. Ukuba isixhobo sokhuseleko siyasilela okanye silahlekelwa ngumbane, i-Bypass TAP "izivala" ngokuzenzekelayo ukuze inethiwekhi ihlale ikwi-intanethi.

I-TAP edibeneyo:Idibanisa imijelo emininzi yedatha kwizibuko elinye lemveliso, ivumela isixhobo sokujonga izibuko elinye ukuba sibone ithrafikhi kuzo zombini iindlela zekhonkco elipheleleyo le-duplex.

I-Network Tap sisixhobo esibalulekileyo sokujonga ithrafikhi yenethiwekhi. Isebenza njengesixhobo esingasebenziyo, esivumela idatha ukuba ihambe ngaphandle kokuphazamiseka. Ngokuqhagamshela kwicandelo lenethiwekhi, idala ikopi yethrafikhi ukuze ihlalutywe. Le ndlela inceda ukugcina ukuthembeka kwenethiwekhi ephilayo ngelixa inika ulwazi ngemiba yokusebenza.

Iingxelo zakutshanje zoshishino zibonisa ukuba ngaphezulu kwe-80% yexesha lokungasebenzi kwenethiwekhi kuvela kwiingxaki ezinxulumene nethrafikhi. I-Network Taps yenza kube lula ukuchongwa kwezi ngxaki, ivumela amaqela e-IT ukuba asombulule iingxaki ngempumelelo. Bangakwazi ukubamba ithrafikhi engenayo nephumayo, nto leyo enika umbono opheleleyo wokuhamba kwedatha. Olu buchule lubalulekile, ingakumbi kwimibutho exhomekeke kwidatha yexesha langempela ukuqhuba izigqibo.

Ngaphezu koko, iiNetwork Taps zinceda kwimilinganiselo yokhuseleko. Zivumela ukujonga okuqhubekayo ngaphandle kokubeka inethiwekhi emngciphekweni. Nangona kunjalo, ukusebenzisa ezi zisombululo kunokuzisa imingeni. Umzekelo, zifuna ukubekwa ngononophelo kunye nolawulo ukuqinisekisa ukusebenza kakuhle. Ukuseta okungachanekanga kunokubangela ukuba idatha ithathwe kancinci, okukhokelela kulwazi olulahlekisayo. Ukulinganisela imfuneko yokubonakala ngokupheleleyo kunye nokusebenza kakuhle kusabalulekile.

Injongo yeeTaps zeNethiwekhi ekuBekeni iliso kwiNethiwekhi

Ii-network taps zidlala indima ebalulekileyo ekujongeni inethiwekhi ngokuvumela ukubanjwa kwedatha ngaphandle kokuphazamisa ukuhamba kwezithuthi. Zibonelela ngendlela ethembekileyo yokuhlalutya iipakethi zedatha ezihamba kwinethiwekhi. Ngokwe-"2023 Network Security Report," malunga nama-70% emibutho isebenzisa izisombululo ze-network taps ukuphucula ukuma kwayo kokhuseleko. Olu lwazi lugxininisa ukuthembela okukhulayo kweshishini kwizixhobo zokujonga idatha ezisebenzayo.

Injongo yokusebenzisa ii-network taps kukubona umsebenzi wenethiwekhi ngaphandle kokungenisa ixesha lokuphumla okanye ixesha lokungasebenzi. Iindlela zemveli zokubamba iipakethi zinokuphazamisa ithrafikhi, ngelixa ii-taps ziphinda-phinda ithrafikhi kwaye ziyithumele kwizixhobo zokubeka esweni. Uphononongo olupapashwe kwi-"Journal of Network Monitoring" luphawula ukuba imibutho esebenzisa ii-network taps ixela ukunyuka kwe-40% kwisantya sokufumanisa iziganeko. Olu phuculo lubalulekile kwiingcali zokhuseleko lwe-intanethi, ezihlala zijongene namanqanaba okwanda kwezoyikiso ngexesha langempela.

Nangona kunjalo, ukusebenzisa ii-network taps akunangxaki. Kunokubakho imiba efana nokufakwa okungafanelekanga, okunokubangela ukuba kubekho iindawo ezingabonakaliyo ekubekweni kweliso. Ukuqinisekisa ukubekwa kunye nokulungiswa kwee-taps ngokuchanekileyo kubalulekile. Nangona ziluncedo, imibutho emininzi iyasokola ukugcina iinkqubo zayo zokubeka esweni zihlaziyiwe. Isenokungaqondi ukuba izixhobo ezindala zinokunciphisa ukusebenza kwee-network taps. Ukucamngca okuqhubekayo kunye novavanyo lweendlela zokubeka esweni kuyimfuneko ukuze kusebenze kakuhle.

Indlela iiNetwork Taps ezisebenza ngayo: Isishwankathelo soBugcisa

Iimpompo zenethiwekhizizixhobo ezibalulekileyo kulawulo lwenethiwekhi kunye nokhuseleko. Zenza kube lula ukufikelela kwitrafikhi yenethiwekhi ngaphandle kokuphazamisa ukuhamba. Ukucofa kwenethiwekhi kusebenza ngokudala unxibelelwano olungasebenziyo phakathi kwamanqaku amabini kwinethiwekhi. Oku kuyivumela ukuba ibambe yonke itrafikhi ukusuka kwelinye icala ukuya kwelinye. Idatha emva koko ithunyelwa kwizixhobo zokubeka esweni ukuze zihlalutywe.

Xa usebenzisa i-network tap, qinisekisa inkqubo yokufakela efanelekileyo. Ezinye ii-tap zifuna uqwalaselo oluthile.Useto olungalunganga lunokukhokelela ekulahlekelweni kwedatha okanye kuthintele ukusebenza kwayo.Vavanya itephu phantsi kwemithwalo eyahlukeneyo yenethiwekhi ukuze uqonde indlela esebenza ngayo. Izixhobo zokubeka esweni zinokubonelela ngeenkcukacha malunga nokusebenza kunye neengxaki ezinokubakho.

Ingcebiso:Hlola idatha ebanjiweyo rhoqo ukuze ufumane iipateni ezingaqhelekanga. Oku kunokunceda ekuchongeni iingozi ezinokubakho kwangethuba. Hlala unolwazi ngomsebenzi wenethiwekhi ukuze ubonakale ngcono. Soloko ubhala phantsi iindawo ezibekwe kuzo kunye nezicwangciso. Oku kunceda ekusombululeni iingxaki kunye nokuphucula kwixesha elizayo. Ukuba nerekhodi ecacileyo kunokuthintela ukudideka kwiqela.

Iintlobo zeeTaps zeNethiwekhi kunye nokusetyenziswa kwazo

Iimpompo zenethiwekhi ziza ngeentlobo ezahlukeneyo, nganye yenzelwe iimfuno ezithile zokubeka esweni nohlalutyo. Iimpompo zenethiwekhi ezingasebenziyo zezona zixhaphakileyo. Zivumela idatha ukuba ihambe phakathi kwamanqaku amabini. Olu hlobo lwempompo alutshintshi okanye luphazamise umsinga wedatha yokwenyani. Zithembekile kwaye kulula ukuzisebenzisa. Awuyi kulahlekelwa ziipakethi zedatha, nto leyo ibalulekileyo kuhlalutyo oluchanekileyo.

Iimpompo zenethiwekhi esebenzayo lolunye ukhetho. Ezi mpompo ziphinda zivelise iimpawu ukuphucula ukuthembeka kwedatha kumgama omde. Zifuna amandla ukuze zisebenze, oko kuthetha ukuba kukho indawo enokwenzeka yokusilela. Iimpompo ezisebenzayo zinokuzisa i-latency. Kwiimeko ezibuthathaka, oku kunokuba yingxaki.

Izipili zezibuko nazo ziyindlela ethandwayo. Ziphinda ithrafikhi ziye kwenye izibuko kwiswitshi. Le ndlela inokuchaphazela ukusebenza kweswitshi. Kukho ithuba lokulahleka kweepakethi ngexesha leemeko zethrafikhi ephezulu. Uhlobo ngalunye lokucofa lunezibonelelo kunye neengxaki. Ukuqonda ezi mpawu kunceda ekukhetheni isixhobo esifanelekileyo kwiimfuno zakho zokubeka iliso kwinethiwekhi.

Iingenelo zokusebenzisa iiTaps zeNethiwekhi kwiindawo zeNethiwekhi

Iimpompo zenethiwekhi zibalulekile ekuphuculeniukhuselekokwayeukusebenzakwiindawo zothungelwano lwanamhlanje. Ngokutsho kophando lwakutshanje olwenziwe yi-IZiko lokuJonga ukuSebenza kweNethiwekhi, imibutho esebenzisa ii-network taps inamavaUkunciphisa ngama-40%ngamaxesha okusombulula iingxaki. Olu phuculo lubalulekileyo luvela kubuchule bee-network taps ukubonelela ngendlela engaphazamisiyo yokubamba idatha. Ngokungafaniyo neendlela zemveli, ii-taps zikopisha zonke iitrafikhi ngaphandle kokuchaphazela ukusebenza kwenethiwekhi. Oku kuqinisekisa ukuba abahlalutyi bokhuseleko bafumanaigqityiwekwayengokuchanekileyoiiseti zedatha zohlalutyo.

Enye inzuzo ephambili kukwanda kokubonakala. Ingxelo evela kwi-Iqela loHlalutyo loKhuseleko lwe-Intanethiithi amashishini asebenzisa ii-network taps axelaUphuculo lwe-50%ngamazinga okubhaqwa kwengozi. Oku kungenxa yokuba ii-taps zokufikelela kwedatha ngexesha langempela zibonelela, nto leyo evumela iimpendulo ezikhawulezayo kwimingcipheko enokubakho. Nangona kunjalo, ukuthembela kwezi zixhobo kuza nemingeni. Umzekelo, abanye abaphathi benethiwekhi banokujamelana nobunzima bokudibanisa ii-taps neziseko zophuhliso ezikhoyo. Kukho imfuneko yoqeqesho olwaneleyo ukuqinisekisa ukuba ezi nkquboyenza ngcono ukusebenza.

Ngaphezu koko, ukusetyenziswa kwezixhobo zokunxibelelana kunokunyusa ukhuseleko lwedatha. Iphepha lophando elibhalwe yi-IZiko loKhuselo lweCyberugxininisa ukuba ii-network taps zinciphisa umngcipheko wokwaphulwa kwedatha ngokukhusela ulwazi oluyimfihlo ngexesha lokubeka esweni. Nangona kunjalo, kukho iinkxalabo malunga nolawulo lokuthembeka kwedatha. Ukugcina ii-taps zihlaziywa kwaye zihambelana nemigaqo yokhuseleko kubalulekile ukuthintela amathuba okubaubuthathaka.

Ukufakwa kunye nokuCwangciswa kweeTaps zeNethiwekhi

Xa ufaka i-network tap, ukubekwa ngokuchanekileyo kubalulekile. Khetha indawo ehambelana nethrafikhi ofuna ukuyijonga. Ukuseta okuqhelekileyo kubandakanya ukubeka i-tap phakathi kweswitshi kunye ne-router. Olu lungiselelo lubamba zonke iipakethi zedatha ngaphandle kokuchaphazela ukuhamba. Kubalulekile ukuqinisekisa ukuba i-tap iyakwazi ukusingatha amazinga edatha yenethiwekhi yakho. Ukucotha kancinci kunokuba yingxaki.

Uqwalaselo lulandela indlela ethe ngqo. Qhagamshela impompo usebenzisa iintambo ze-ethernet eziqhelekileyo. Qinisekisa ukuba usebenzisa iiports ezifanelekileyo zokufaka kunye nokuphuma. Kudla ngokubakho imfuneko yokulungisa useto ngokusekelwe kwizixhobo zakho zokubeka esweni. Olu hlengahlengiso lungabandakanya ukuseta izihluzi okanye ukukhetha imijelo ethile yedatha. Ezinye izixhobo zinemenyu enzima. Zinike ixesha lakho lokuhlola ukhetho ngalunye.

Usenokudibana nemingeni. Umzekelo, ngamanye amaxesha ukucofa kusenokungabambi yonke idatha njengoko kulindelekile. Oku kusenokubangelwa kukuseta okungahambelaniyo okanye umthamo wethrafikhi. Ukuba awuboni iziphumo ezifunekayo, phinda uvavanye ufakelo lwakho kunye noqwalaselo. Cinga ukuba ukucofa kwakho kuyahambelana na nobuchule benethiwekhi kwaye wenze uhlengahlengiso olufunekayo. Ukuvavanya uqwalaselo olwahlukileyo kunokukhokelela ekusebenzeni ngcono.

Yintoni iNetwork Tap kwaye isebenza njani? - Ukufakwa kunye nokuCwangciswa kweeNetwork Taps