CAPTCHA Code yog dab tsi?

Cov txheej txheem:

CAPTCHA Code yog dab tsi?
CAPTCHA Code yog dab tsi?
Anonim

Yog koj twb tau sim sau npe nrog lub vev xaib lossis tawm tswv yim hauv blog thiab raug nug kom nkag mus rau qee cov cim vwm uas tau ua txhua yam jumbled, koj paub tias nws ntxhov siab npaum li cas qee zaum yuav xav tias yuav qhia li cas tus lej L ntawm tus lej 1 lossis tus lej loj O los ntawm tus lej 0.

Cov ntawv vwm thiab tus lej lej no hu ua CAPTCHA, thiab lawv yog qhov tseem ceeb ntawm tib neeg cov lus teb. Lo lus yog ib lo lus luv luv rau: Ua tiav Automated Public Turing xeem los qhia Computers thiab Tib Neeg Sib nrug.

Vim li cas lub vev xaib siv CAPTCHA

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Qhov laj thawj vim li cas cov vev xaib siv CAPTCHA cov lej hauv lawv cov txheej txheem sau npe yog vim spam. Cov cim vwm no yog ib txoj hauv kev los xyuas seb tus neeg sau npe lossis sim tawm tswv yim puas yog tib neeg nyob raws li kev tawm tsam rau lub khoos phis tawj sim sim spam lub vev xaib. Yog, nws yog tib yam vim li cas peb feem coob muaj qee hom spam blocker ntawm peb tus email.

Qee lub vev xaib siv lwm cov ntaub ntawv ntawm tib neeg cov lus teb niaj hnub no. Piv txwv li, tej zaum koj yuav raug nug kom nyem rau hauv lub thawv kos kom paub meej tias koj yog tib neeg, lossis koj yuav raug nug kom txheeb xyuas qee yam khoom hauv ib daim duab.

Spam yog qhov niaj hnub sib npaug ntawm kev xa ntawv tsis raug. Yog tias cov spammers yog tus saib xyuas, cov ntawv xa ntawv tsis zoo yuav tsis yog nyob hauv koj lub thawv ntawv lossis khi rau koj lub qhov rooj. Nws yuav nkim koj lub vaj, faus lub tsheb nres hauv koj txoj kev tsheb, plaster txhua sab ntawm koj lub tsev, thiab npog koj lub ru tsev.

Thaum nws ntxhov siab mus txuas ntxiv thov kom nkag mus rau cov ntawv tangled ntawm ib daim duab, nws tsim nyog rau nws mus ntev. Tus neeg twg uas tau teeb tsa lawv tus kheej lub vev xaib lossis blog yuav tau txais qhov saj ntawm qhov spam zoo li nyob ze thiab tus kheej tsuas yog lub lis piam tom qab mus online-txawm tias lub vev xaib lossis blog ntawd tsis muaj tsheb khiav. Cov neeg spammers nrhiav cov vev xaib me me thiab blogs nrawm thiab tsom lawv vim lawv feem ntau tsis muaj kev ruaj ntseg ntau los tiv thaiv lawv.

Yog tias koj muaj teeb meem nyeem cov cim hauv CAPTCHA code, nrhiav lub pob xub ncig ntawm nws. Nyem qhov no refreshes tus lej rau ib qho tshiab.

CAPTCHA Kev Ruaj Ntseg Tiv Thaiv Lub Vev Xaib

Yog tias lub vev xaib lossis cov tswv blog tsis siv qee hom kev tiv thaiv zoo li CAPTCHA, lawv yuav tau txais ntau tus neeg sau npe spam lossis cov lus pom hauv ib hnub thiab qhov ntawd tsuas yog rau cov vev xaib me thiab blogs tus kheej uas tsis nrov heev. Koj tsuas tuaj yeem xav txog yam uas cov vev xaib nrov tshaj plaws yuav tau txais.

Yog li, lwm zaus koj khiav tawm tsam ib qho ntawm cov duab ntawd thiab ntxhov siab me ntsis sim qhia Q los ntawm O, tsuas yog nco ntsoov tsis txhob tso koj qhov kev ntxhov siab ntawm lub vev xaib. Tsom ntsoov rau cov spammers, vim lawv yog vim li cas peb yuav tsum tau squint ntawm peb lub vijtsam yuav luag txhua zaus peb xav tso npe ntawm lub vev xaib tshiab.

FAQ

    Kuv yuav daws qhov CAPTCHA code li cas?

    CAPTCHA cov lej yog tsim tshwj xeeb los cuam tshuam kev lees paub los ntawm kev hloov qhov loj, lub kaum ntse ntse, xim, thiab qhov ntom ntom ntawm cov cim thiab cov lej uas tau tsim los thiab muab tso rau ntawm cov xim lossis cov qauv tom qab. Siv koj lub sijhawm thiab ua tib zoo saib txhua tus cim ua ntej koj ntaus hauv koj cov lus teb.

    Google reCAPTCHA yog dab tsi?

    Tsis txhob siv CAPTCHA code ib txwm siv los txheeb xyuas tias cov neeg siv yog tib neeg, Google siv nws tus kheej reCAPTCHA system kom paub qhov txawv tib neeg cov neeg siv los ntawm kev siv cov spammers los ntawm kev tshuaj xyuas IP chaw nyob, ncuav qab zib, thiab lwm yam pov thawj. Yog tias lub kaw lus tsis tuaj yeem txheeb xyuas tus neeg siv yog vim li cas, nws nthuav tawm ib txwm CAPTCHA.

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