I-VPN nokubhalwa kwemfihlo kusuka ekugcineni kuya ekugcineni: ubani angafunda ini
I-VPN ivikela umzila, uhlelo lokuthumela imiyalezo luvikela okuqukethwe. Qhathanisa indawo yokuphuma, isidlulisi nomamukeli ngaphambi kokucabanga ukuthi omunye wabo ufihla umyalezo.
Landelela umyalezo owodwa usuka ocingweni uya kumngane futhi udlula ezinhlotsheni ezimbili zokuvikela. I-VPN ihlanganisa umzila phakathi kweklayenti nesango layo, uhlelo lokuthumela imiyalezo luhlanganisa okuqukethwe phakathi kwamadivayisi ababambiqhaza. Akukho okunye okuthatha indawo yokunye, futhi umbuzo owusizo awukho wokuthi yikuphi okuqinile, kodwa ukuthi ubani angafunda ini esinyathelweni ngasinye. Hamba kule ndlela kanye, izindima ziyacaca.
Ukuvikela okubili, iziphetho ezimbili
Kudivayisi ethumayo, uhlelo lubhalela umyalezo ngemfihlo ngezinkinobho zengxoxo, bese lunikeza umbhalo obhalwe ngemfihlo kuhlelo lokusebenza. I-VPN, uma ivuliwe, isonga yonke imithwalo ehambisana nenqubomgomo yayo bese iyisa esangweni. Kusuka lapho iphakethe lihamba nge-inthanethi evamile liya kumaseva ohlelo, nawo alidlulisela kumamukeli. Yidivayisi yomamukeli kuphela ephethe isikhiye esiguqula umbhalo obhalwe ngemfihlo ube umbhalo futhi.
Isidlulisi esisendleleni singabona umyalezo ufika futhi uhamba ngaphandle kokuwufunda, futhi yisona sici okufanele sibhekwe ekubhalweni kwemfihlo kusuka ekugcineni kuya ekugcineni.
Yini indawo yokuphuma ye-VPN engayifunda nengenakuyifunda
Isango le-VPN livula ithumbu, hhayi okuqukethwe kohlelo. Lingabona ukuthi iklayenti laxhumana nasiphi iseva, nini, nokuthi yingaki idatha eyahambayo, bese lidlulisela amaphakethe phambili. Lokho kuyiqoqo leqiniso elibalulekile futhi lincane kakhulu kunombhalo womyalezo. Kusayithi evamile ye-HTTPS ukuxhumana kwe-TLS kuphela kusayithi, ngakho isayithi lingafunda okuthunyelwe nakuba i-VPN ingakwazi. Umehluko umayelana ukuthi isendlalelo ngasinye siphela kuphi, hhayi ukuthi yimuphi umkhiqizo oyimfihlo kakhulu.
Shintsha indawo ekuyiwa kuyo ibe yisevisi ebhalwe ngemfihlo kusuka ekugcineni kuya ekugcineni, isidlulisi esiphakathi sizolahlekelwa okuqukethwe, kuyilapho i-VPN isabona iphethini yoxhumano.
Izinkinobho zingezengxoxo, hhayi zomzila
Izinkinobho zokuqukethwe zixoxwa phakathi kwababambiqhaza futhi zihlala kumadivayisi abo; i-VPN ayibambi iqhaza kulokho kwabelana. Izinhlelo zivame ukukhombisa inombolo yokuphepha noma isigxivizo somunwe sesikhiye ukuze izinhlangothi zombili ziqhathanise ezikuphethe. Lokho kuqhathanisa kuthola isikhiye esishintshiwe phakathi, okuyinto eyigugu futhi encane kunokufakazela ukuthi ubani othayiphayo. Ukuqinisekisa ubunikazi bomuntu kusadinga indlela engaphandle kohlelo, njengocingo noma ukuhlolwa ubuso nobuso. Ukuhlolwa kwesitifiketi seseva ye-VPN kuqinisekisa indawo yokugcina ehluke ngokuphelele.
Ungafundi inombolo yokuphepha eqinisekisiwe njengobufakazi bobunikezi be-akhawunti. Kungubufakazi mayelana nezinkinobho, hhayi ngabantu.
Amakhophi, imethadatha nedivayisi elinye
Okuqukethwe okufundekayo kukhona kuzo zombili iziphetho, ngakho iziphetho zinquma okuzolandela. Ngaphambi kokunquma ukuthi ithumbu lisiza kangakanani, yenza imephu emfushane yezindawo okungase kufike kuzo ikhophi.
| Point | Can it read the message | Why |
|---|---|---|
| Sending device | Yes | Content exists before encryption |
| VPN gateway | No | Terminates the tunnel, not the app keys |
| App relay | No, by design | Only ciphertext passes through |
| Recipient device | Yes | Holds the conversation keys |
| Cloud backup | Depends on the product | May store plaintext or an encrypted archive |
Funda imithetho yohlelo yamakhophi ayisipele, amadivayisi axhunyiwe, izaziso nokuthunyelwa ngaphandle, ngoba ngayinye iyikhophi ehlukile enokuphathwa kwayo. Inethiwekhi isaveza isikhathi nomthamo ngisho noma okuqukethwe kuvikelwe, futhi i-VPN ishintsha ukuthi yimuphi umhlinzeki obona uxhumano lwasendaweni, hhayi ukuthi ikhona yini imethadatha enjalo. Ifayela elithunyelwe ngaphandle lisuka engxoxweni evikelwe ligcina ukuvikela okunikezwa yifomethi yalo, futhi ithumbu alilwenzi lutho ngemva kwalokho.
Khetha ukuvikela kulokho okukuhlanganisayo: uhlelo lokuqukethwe nezinkinobho, i-VPN yomzila nombono wenethiwekhi yasendaweni. Bese kubala amakhophi namadivayisi angaphandle kwakho kokubili.