VPN siv cov kev sib txuas lus rau pej xeem sib tham ua tus kheej cov ntaub ntawv sib txuas lus. Feem ntau cov VPN siv siv Internet ua cov pej xeem cov cuab yeej thiab ntau cov kev cai tshwj xeeb los pab txhawb kev sib txuas lus hauv kev sib tham hauv Internet.
VPN ua raws li tus neeg mob thiab cov neeg tuaj ua ke. VPN neeg authenticate cov neeg, encrypt cov ntaub ntawv, thiab lwm yam tswj kev cob nrog VPN servers siv khiav cov txheej txheem hu ua tunneling .
VPN cov neeg thiab VPN servers yog feem ntau siv rau hauv cov qauv peb:
- los txhawb kev nkag mus rau kev nkag mus rau ib qho intranet ,
- los txhawb kev sib txuas ntawm ntau yam intranets hauv tib lub koom haum, thiab
- mus koom tes hauj lwm ntawm ob lub koom haum, sib sau ua tus extranet.
Qhov kev pabcuam loj ntawm VPN yog tus nqi qis dua los txhawb qhov kev siv tshuab no kom zoo xws li cov kev cai leased lossis cov chaw rau cov chaw rau cov chaw taws teeb.
VPN cov neeg siv feem ntau nrog cov graphical cov kev pab yooj yim. Cov kev siv no txhawb kev tsim kom tau tunnels, teem tsis muaj qhov configuration, thiab txuas mus thiab disconnecting los ntawm VPN neeg rau zaub mov. VPN kev daws siv ob peb lub network sib txawv nrog PPTP, L2TP, IPsec, thiab SOCKS.
VPN servers kuj txuas ncaj qha mus rau lwm lub VPN servers. VPN neeg rau zaub mov-rau-neeg rau zaub mov kev txuas mus txuas ntxiv rau intranet los yog extranet mus txuas rau ntau lub network.
Ntau tus neeg muag khoom tau tsim VPN hardware thiab software cov khoom. Ib txhia ntawm cov no tsis koom tes vim qhov kev paub tab ntawm ib co VPN qauv.
Cov Ntawv Qhia Txog Kev Lag Luam Private Networking
Cov phau ntawv no ntxiv rau VPN rau cov neeg uas tsis paub ntau txog kev kawm:
- Cov Tswb Txhaum Qhov Kev Sib Tham: Dennis Fowler - Mr. Fowler tau sau cov lus qhia zoo heev ntawm VPNs hauv 1999. Phau ntawv tau sawv kev sim ntawm lub sijhawm thiab tseem yog ib lub npe zoo rau cov pib tshiab los nrhiav kev kawm txog VPN los ntawm hauv pem teb.
- Kev Ntaus Nrig Ntaus Nruab Nrab (Private Private Networks): Technologies thiab Solutions (Ruixi Yuan thiab W. Timothy Strayer) - ntau yam ntawm VPN cov lus qhia txog qhov kho, cov txheej txheem, thiab PKI yog qhov zoo hauv cov ntawv luv luv no.
Kuj Paub Tawm: virtual private network