SFTP vs SCP
SCP (Secure Copy) yog raws li Secure Plhaub (SSH) raws tu qauv thiab nws muaj peev xwm hloov cov ntaub ntawv kom ruaj ntseg ntawm cov tswv. SFTP (Secure File Transfer Protocol) yog cov txheej txheem siv los hloov cov ntaub ntawv hla ib qho chaw ruaj ntseg. Nws tau tsim los ua qhov txuas ntxiv ntawm Secure Plhaub raws tu qauv (SSH) los ntawm Internet Engineering Task Force (IETF). SFTP xav tias cov channel siv rau kev sib txuas lus muaj kev nyab xeeb thiab cov neeg siv khoom tau lees paub los ntawm cov neeg rau zaub mov thiab cov ntaub ntawv hais txog tus neeg siv khoom muaj rau kev siv raws tu qauv.
SFTP yog dab tsi?
SFTP yog cov txheej txheem siv los hloov cov ntaub ntawv hla cov channel ruaj ntseg. SFTP yog raws li tus neeg siv khoom-neeg rau zaub mov architecture. Ib tug dav paub SFTP neeg rau zaub mov yog OpenSSH, thiab SFTP cov neeg siv tau siv raws li cov kab lus hais kom ua (raws li muab nrog OpenSSH) lossis GUI daim ntawv thov. SFTP muab encryption rau ob qho tib si cov ntaub ntawv thiab cov lus txib uas raug xa mus muab kev nyab xeeb rau cov ntaub ntawv rhiab xws li passwords. SFTP tsis yog tsuas yog raws tu qauv rau kev nkag mus thiab hloov cov ntaub ntawv, nws yog qhov tseeb cov ntaub ntawv raws tu qauv.
SCP yog dab tsi?
SCP raws tu qauv muab txoj hauv kev ruaj ntseg los hloov cov ntaub ntawv ntawm tus tswv. Yooj yim, SCP tuaj yeem suav tias yog kev sib koom ua ke ntawm RCP ('remote copy' hais kom ua ntawm UNIX) thiab SSH. Encryption thiab authentication hauv SCP yog muab siv SSH raws tu qauv, thaum BSD (Berkeley Software Distribution, qee zaum hu ua Berkeley Unix) RCP muab lub hauv paus rau kev hloov cov ntaub ntawv tiag tiag. SCP khiav ntawm qhov chaw nres nkoj 22. SCP tiv thaiv cov neeg thib peb los ntawm kev cuam tshuam cov ntaub ntawv xa mus thiab saib cov ntsiab lus ntawm cov ntaub ntawv pob khoom. Thaum tus neeg siv khoom xa cov ntaub ntawv mus rau lub server, nws tau muab cov kev xaiv los suav nrog cov khoom xws li lub sijhawm, kev tso cai, thiab lwm yam. Qhov peev xwm no tsis muaj nyob rau hauv FTP (File Transfer Protocol) uas nquag siv. Thaum tus neeg siv yuav tsum rub tawm cov ntaub ntawv / cov npe, nws ua ntej xa qhov kev thov mus rau lub server. Kev rub tawm yog tus txheej txheem tsav server, qhov twg cov ntaub ntawv raug pub los ntawm tus neeg rau zaub mov rau tus neeg siv khoom. Lub tshuab tsav server no tuaj yeem ua rau muaj kev pheej hmoo hauv kev nyab xeeb tshwj xeeb yog tias tus neeg rau zaub mov tsis zoo.
Qhov txawv ntawm SFTP thiab SCP yog dab tsi?
Txawm hais tias ob qho tib si SFTP thiab SCP muab cov txheej txheem ruaj ntseg rau kev hloov cov ntaub ntawv, lawv muaj qee qhov sib txawv. SCP yog cov txheej txheem yooj yim uas tsuas yog tso cai hloov cov ntaub ntawv, thaum SFTP muab cov haujlwm dav dav rau kev tswj cov ntaub ntawv nyob deb. Tsis tas li ntawd, thaum muab piv rau SFTP tus neeg siv khoom nrog SCP tus neeg siv khoom, SFTP tus neeg siv khoom muaj peev xwm ntxiv xws li tshem tawm cov ntaub ntawv nyob deb, rov pib hloov pauv uas cuam tshuam, thiab lwm yam. Tsis tas li ntawd, SFTP yog ntau lub platform ywj siab thaum piv nrog SCP. SFTP servers muaj nyob hauv ntau lub platform, thaum SCP feem ntau siv Unix platforms. Thaum sib piv cov ceev, SFTP qeeb dua SCP, vim nws yuav tsum tau tos rau encrypting thiab conformation ntawm pob ntawv. SFTP muab kev txhawb nqa rau cov ntaub ntawv tshaj 4GB, thaum SCP tsis. SFTP muab lub peev xwm los tshem tawm cov ntaub ntawv hloov pauv yam tsis tas yuav xaus qhov kev sib kho, thaum nrog SCP, qhov kev sib kho yuav tsum tau muab tshem tawm kom tshem tawm kev hloov pauv. Tsis tas li ntawd, rov pib dua kev hloov pauv tau txhawb nqa nrog SFTP, thaum SCP tsis txhawb qhov ntawd.
