Firewall: Kuyini-ke futhi yiziphi izinhloso zayo?

Ukusebenza noma ukudlala imidlalo, kufanele kuqondwe ukuthi umsebenzisi kuwebhu, lapho kukhona amashinga yayo. Laba bantu okuthiwa kubaduni. Zihlala ukuthi ezama ukugqekeza ikhompyutha yomunye futhi ukweba imininingwane kuwo. Ukwenza kungenzeka nge ezihlukahlukene amagciwane ne-malware, kanye namanye sengozini yesistimu yokusebenza ezindaweni. Uma-anti-virus Sekuyisikhathi eside yasungulwa-anti-virus, kukhona i-firewall ukuvikela PC yakho futhi kunethiwekhi yasendaweni noma i-Internet. Kuyini lokhu?

firewall

Abasebenzisi abaningi ongenalwazi ucabanga ukuthi software unqulo wesi arab uyakwazi ukuvikela kubo bonke ububi obukulo. Nokho, akuyona. Ukuze ephelele ukuvikelwa PC sisadingeka kanye firewall. Kuyini futhi asebenze kanjani?

Thola i-firewall kanye izilungiselelo zalo kungaba ezivikela emaphakathi. Ukuqinisekisa ukuvikeleka esiphezulu PC yakho, uhlelo iholwa imithetho ethile. Lokhu kubhekisela ezenzweni ezokwenza lokuvikela uma ithola umzamo ngokuqondene komunye umthombo. Le mithetho kungaba imvelo uvumela noma yini futhi akwenqabelayo. Kubalulekile futhi ukuqonda ukuthi uhlelo ivikela computer lokhu ngezindlela ezimbili. Eyokuqala - inethiwekhi, kanti eyesibili - isicelo. Okusho ukuthi, uma impendulo imibuzo mayelana lokuvikela, lokho kusho ukuthini futhi kusebenza kanjani, ukuthi kungenzeka kanjani ukuba zisungule impendulo. Lokhu isofthiwe eyakhelwe, okuyinto yakhelwe ukuvikela PC kusuka imizamo kusuka ekuxhumaneni ngaphandle.

Ukuvikelwa Network

Njengoba kuphawuliwe ngaphambili, ama-firewall has izigaba ezimbili Ukuvikelwa. Isigaba sokuqala - a PC nokuvikeleka inethiwekhi. Ukuvikelwa Implementation kwenzeka ngesisekelo imithetho yomhlaba wonke, okuyinto kuchazwa ngohlelo lokuvikela, futhi Koi lisebenzisa uma ithola uxhumano. Kuye eziningana eziguquguqukayo, uhlelo noma ukuvimba uxhumano noma uvumele:

• I isiqondiso iphakethe inethiwekhi.
• inethiwekhi iphakethe ukudluliswa olandelwayo.
• Port of indawo noma ephumayo iphakethe.

Ukuze siphendule lo mbuzo ngobubanzi kabanzi mayelana nokuthi i-firewall, kubalulekile ukuthola ukuthi yini iphakethe inethiwekhi, nesebenzela esibukweni. Ngomqondo onabile, konke ulula. Uxhumano iphakethe - ulwazi ezidluliselwa ngaphakathi inethiwekhi njengoba block. Isikrini ithola iphakethe njengoba iyunithi, uhlukaniswe waba izingxenye ezintathu. Ingxenye yokuqala ubhekwa unhlokweni futhi liqukethe ulwazi mayelana usuku yokudala, isihloko, usayizi block, nokunye. D. Ingxenye yesibili kuyoba okuqukethwe ngokushesha, kanti eyesithathu ngokuthi isiphetho, bese ekudlulisela ulwazi uqinisekisa ukuthi ngesikhathi ukudluliswa iyunithi engakaze ukulungiswa uhlangothi.

Ukuvikelwa osetshenziswayo

Uma uhlobo lokuqala Ukuvikelwa osebenza ku ulwazi kuziwa kwikhompyutha siqu kusukela ngaphandle, abanye uhlobo lomsebenzi osekuvele efakwe ku-PC yakho. ilungiselelo Lezo ezinye izimiso ziyasebenza. Nokho, kuyafaneleka ukuthi ukuhlaziywa kwalokho isikrini uzokwenza isinqumo, luhlala okufanayo njengoba kwaba njalo endabeni ka-Ukuvikelwa inethiwekhi.

Kodwa umehluko Usekhona. Siqukethe eqinisweni lokuthi, ngaphezu ukuskena iyunithi ulwazi, lokuvikela ngeke ihlolwe kanye software kudingeka uthole ulwazi noma ukuyithumela. inombolo enjalo amasheke kanye nemithetho elawula uhlelo Ukuvikelwa ivumela abasebenzisi abanolwazi ukwenza ngezifiso ukuvikelwa PC yakho ezingeni eliphezulu kakhulu.

Firewall kanye Zona

Kuyi-Internet zikhona izinhlelo eziningi for okusheshayo ulande okuqukethwe. Omunye wabo okuthiwa Zona. Le software ikuvumela ukulanda eziningi amabhayisikobho, ngesivinini imidlalo noma izinhlelo, kodwa abanye abasebenzisi bakhononda ngokuthi uhlelo iyeke ukusebenza uma kungatholakali lokuvikela ivuliwe, ebhekisela bug ekhona ukufinyelela iseva. Lokhu ukuhluleka - umphumela ukusebenza kohlelo yezokuphepha.

Ukuze ukuvala isikrini, kodwa futhi ukuze uthole ukusebenza Tracker, udinga ukushintsha into. Ngokushesha ngemva ukuvula ukuvikela ibheka ukuthi uhlelo enonya - kule ndawo. Ukulungisa firewall linesandiso, yilokho okubizwa ngokuthi "Okuhlukile." Ukuze bahlele umsebenzi Tracker futhi balahle ngephutha, udinga ukwenza kube kulezi okuhlukile efanayo. izilungiselelo Indawo ingase yehluke kuye ngesistimu version kwesikrini futhi iqiniso ukuthi kuba firmware noma ukhishwa inyumbazane.

umsebenzi kwesikrini

I firewall isethwe ukuxazulula eminye imisebenzi ebaluleke kakhulu. Yini umsebenzi wenziwa zokuvikela ngemuva kokufakwa yayo?

• Umsebenzi wokuqala ukuvikela ingaphakathi inethiwekhi elincane, isibonelo, izinkampani kusuka kunoma iyiphi nsada yangaphandle. Kufanele kuqashelwe ukuthi ukuhlinzekwa akusho ukuhlukanisa phakathi kwabasebenzisi kwangaphandle nangekhatsi. Hlola ukuthi kuyoba okufanayo njengoba abasebenzi yenkampani, ozakwethu, kanye kubaduni uzama ukungena kwinethiwekhi.
• Isici sesibili - lena ukulawulwa ukufinyelela kwabasebenzisi bangaphakathi kuzinto zangaphandle. Ngamanye amazwi, ungakwazi ukumisa lokuvikela ukuze uvimbele ukufinyelela kusuka PC ngaphansi kophiko lwayo kuzinto akudingekile ukuba benze lo msebenzi.

Kufanele kuphawulwe ukuthi okwamanje ayikho ngezigaba jikelele izinhlelo ezinjalo kanye namadivayisi.