I-VPN iyawa lapho isikrini sicima: yimuphi umjikelezo wempilo?
Isikrini esikhiyiwe singamisa iklayenti, sivumele imephu iphele noma sibulale isikhathi sohlelo. Ukuhlolwa okulawulwayo okukodwa kuyahlukanisa ngaphambi kwanoma yiluphi ushintsho lwezilungiselelo.
Ukudluliswa kuyama ngokushesha lapho isikrini siba mnyama, futhi ibheji ilandela ngemva kwemizuzwana embalwa. Izinto ezintathu ezihlukene zakha leso sithombe: inqubo yeklayenti iyavinjelwa, indlela ihlala ingenzi lutho futhi ilahlekelwe imephu yayo, noma uhlelo lulahlekelwa isikhathi umhubhe ongakaze usibone. Ngayinye inobufakazi bayo, futhi ukulungiswa ngakunye kungokwesendlalelo esihlukile. Ukulandelana okungezansi kuyahlukanisa ngokuhlolwa okulawulwayo okukodwa esikhundleni sokuhlola zonke izilungiselelo.
Izinkinga ezintathu ezibonakala zifana
Inqubo yangemuva evinjelwe iyeka ukuthumela i-keepalive, futhi uhlangothi lwesibili ekugcineni lumemezela umhubhe ukuthi ufile. Imephu engenzi lutho endleleni ingaphela ngenkathi idivayisi ilele, ngakho ukuhanjiswa okubuyayo akufiki neze kuklayenti esaphila ngokuphelele. Uhlelo lungalahlekelwa ukuxhumana kwalo ngenkathi umhubhe umile, okukhiqiza ibhokisi lephutha elinebheji le-VPN elinempilo ngemuva kwalo. Ngokombono womsebenzisi, zontathu zifundwa njenge-VPN ewile ngesikhathi isikrini sicima.
Umehluko ubalulekile ngoba amakhambi ayaphikisana emkhathini. Ukukhulula iklayenti emikhawulweni yamandla kulungisa icala lokuqala futhi akwenzi lutho emephini ephelile. Ukwandisa i-keepalive kulungisa elesibili futhi kumosha ibhethri kwelesithathu, lapho kungekho lutho oluhlobene nenethiwekhi olwalungalungile kusukela ekuqaleni.
Qhathanisa okusebenzayo nokungenzi lutho ngaphansi kokulawula
Gcina konke kungaguquki: idivayisi efanayo, inethiwekhi efanayo, iphoyinti lokugcina elifanayo, uhlelo olufanayo. Khiya isikrini isikhathi esifushane esinqunyiwe futhi ubhale imibono emithathu: ingabe iklayenti libika ukuphuka, ingabe isicelo esisha siyasebenza lapho kuvulwa, nokuthi ingabe ukudluliswa okukhona kuqhubekile. Bese uphinda nge-keepalive noma isicelo sokujwayelekile sisasebenza bese uqhathanisa ukugijima okubili. Ukuguqulwa kokukodwa phakathi kokugijima okubili kubaluleke kakhulu kunamaviki okuphawula okuxoxwayo.
Isikhathi siyingxenye yerekhodi. Ukuwa ngemva kwamasekhondi angamashumi ayisishiyagalolunye kunuka imephu noma igebe le-keepalive, kuyilapho ukuwa ngesikhathi sokukhiya kukhombisa ukumiswa kwenqubo. Bhala kokubili okubangelayo kanye nesikhala, ngoba umzamo olandelayo udinga okuthile angakuqhathanisa.
Funda inqubomgomo yangemuva yenkundla
Ku-Android, umjikelezo wempilo wesevisi ye-VPN uyingxenye yenkundla, futhi i-always-on kanye ne-block-without-VPN izinkinobho ezihlukene ezinemiphumela ehlukene. Iklayenti elingeyona i-always-on lingamiswa lapho uhlelo lubuyisa izinsiza, futhi akukho silungiselelo kuhlelo esishintsha lokho. I-iOS isebenzisa imikhawulo yayo yangemuva kumhlinzeki womhubhe, futhi ukuziphatha okubhaliwe kwehlukile kudaemon yedeskithophu eqhubeka nokusebenza. Funda imibhalo yenkundla yengxenye ethintekayo, hhayi umhlahlandlela jikelele wokuthuthukisa ibhethri.
Amadivayisi aphethwe angeza olunye ungqimba. Inqubomgomo ingadlula isilungiselelo somuntu siqu, ngakho ushintsho olubonakala lusebenza lubuyela emuva ekuvuselelweni kwenqubomgomo okulandelayo. Sebenzisa inqubo yokukhishwa esekelwe inhlangano uma isidingo singeqiniso, futhi bhala ukuthi kungani ukukhishwa kukhona.
Idivayisi yenzani ngemva kokuvuka
Ukuxhuma kabusha okuzenzakalelayo akufani nokuvimba ithrafikhi ngesikhathi sesikhala. Hlola kokubili: ingabe umhubhe uyabuya, nokuthi ingabe uhlelo olwazama ukuthumela ngesikhathi sesikhala lwaphuma lungavikelwe. Iklayenti elixhuma kabusha ngemizuzwana emibili kodwa livuza umbuzo we-DNS kowokuqala linomgomo wokwehluleka ongafanele wedivayisi yomsebenzi. Hlola ngezicelo ezingenabungozi kanye nendawo oyilawulayo.
Ukubuyiswa kohlelo umbuzo wesithathu. Umhubhe obuyayo awulungisi isikhathi se-SSH esiphelelwe yisikhathi, futhi abasebenzisi bavame ukubika ukulahlekelwa kwaleso sikhathi njengokwehluleka kwe-VPN. Gcina ndawonye embikweni okubangelayo, ukwakhiwa kweklayenti kanye nesikhathi esiqondile, ngoba leyo nhlanganisela ihlukanisa umjikelezo wempilo wokucima isikrini olulindelekile kuseva ehluleka ngokuzimela kudivayisi.