Iyiphi i-captcha iyona khewudi ekhethekileyo ye-alfabhethi okanye i-alphanumeric efakwe ngumsebenzisi ukwenzela ukuba lo mva ukwazi ukushiya izivakalisi okanye izimvo kwisayithi. Le yindlela ekhethekileyo yokuqinisekisa umsebenzisi, ngenxa yokuba unokwazi ukwahlula abantu bokwenene bekhompyutha, oko kukuthi, ukhusela iphepha le-intanethi kwi-spam.
Kapcha - yintoni na?
Igama elithi "captcha" (ugxininisa kwisilayidi yokuqala) livela kwisichazizi esiyinkimbinkimbi sesiNgesi - i-CAPCHA - kwaye iguqulelwe ngokubhekiselele njengolu vavanyo olupheleleyo ngokuzenzekelayo lwe-Turing (enye yoovulindlela be-computer yesayensi) eyenza sikwazi ukwahlula umatshini kumntu. I-Captcha iyicatshulwa ekhethekileyo yekhompyutheni equlethwe ngamagama abhaliweyo angabhaliweyo nabangabhalwanga ngokungafaniyo - iileta, iinombolo, imifanekiso, ukuqhuba ukuqinisekiswa komsebenzisi kunye nokukhusela isayithi kwi-spam yokuzenzekelayo (bots) kunye nokukhwabanisa.
Yintoni ekuyiyo yokubhalisa kuvavanyo olukhethekileyo olunceda ukuhlukanisa umntu ofuna ukubhalisa kwisayithi, kumntu ogaxekile ofuna ukubhalisa kuwo onke amasayithi ngokulandelana, ukuze enze i-newsletter engathandekiyo. Xa ubhalisa ngenkonzo, umsebenzisi kufuneka afake isibini sabantu abanobunzima bokufunda kwifom ekhethekileyo ngezantsi.
Kutheni ndifuna i-CAPTCHA?
I-Kapcha yesayithi inikezelwa ukwenzela ukukhusela isayithi kwiiprogram ezingafunekiyo ezilandelayo:
- thumela iintengiso ezinomsindo;
- ufake izixhumanisi ezingadingekile kwiinkqubo ezahlukeneyo zokukhuphela;
- uzama ukukhangela isayithi.
Kuqondwa ukuba i-robots-program, ukujikela emfanekisweni kunye nokubhala okunzima ukufunda okanye umzekelo we-arithmetic, bayadlula phambi kwabo kwaye abanako ukugqithisa. Umntu unokukwazi ukwahlula ngokucacileyo iimpawu ezisemfanekisweni, nokuba ngaba zibhaliweyo zibhalwe kwelinye, iileta ziwela ngaphantsi komgca, okanye i-equation elula. Kwixesha la kutshanje, i-capcha ibe nzima ngakumbi kwimoto kwaye kulula kubantu. Umzekelo, umsebenzi unokufumaneka kwimifanekiso yezithombe ngamagama esitalato. Chofoza nje imifanekiso emibini esuka kwiqela elithile.
Iintlobo ze-captcha
Ngamanye amaxesha kunzima kubasebenzisi ukuba baqonde okokuqala oko kukuthi i-captcha, kuba kukho iintlobo ezininzi ze khowudi, kwaye zihluke ngokukrakra komnye nomnye:
- I-Alphabetic okanye inamba yi-CAPTCHA eyinkimbinkimbi, kuba abalinganiswa babhaliwe kwifomathi engafundekiyo: iileta / iinombolo zigqatshelwe omnye okanye zibhalwe ngokugqithiseleyo kangangokuthi azikwazi ukudibanisa.
- Imifanekiso-apha umsebenzisi kufuneka, umzekelo, ukusuka kwimifanekiso elithoba ukhetha abo babonisa amabhilidi, iimoto, iimpawu zendlela. Olu luvavanyo olulula ukucacisa "ubuntu" bomsebenzisi, kuba ufuna nje ukucofa kwimifanekiso efunwayo. Ngamanye amaxesha umfanekiso kufuneka ulungiswe kakuhle ukwenzela ukuba ukhangelelwano (umzekelo, umthi umele ubekwe ngokuthe ngqo, kunokuba ungenanto).
- Capcha kunye nemizekelo - kufuneka wenze ukukhupha, ukongeza, ukuphindaphinda. Njengomthetho, ukulingana kulula kakhulu kumgangatho we-2 + 2, kodwa kwiindawo ezivaliweyo kukho imimiselo eyinkimbinkimbi.
- Uhlobo olunqabileyo lokuqinisekiswa kukubeka uphawu kwibala "Andiyena robot".
I-CAPTCHA engalunganga - yintoni le?
Ukuba umsebenzisi ungenele iimpawu ezisuka kwimifanekiso engalunganga, oku kuthetha ukuba i-captcha ayizange idlule ukuqinisekiswa, ngoko kufuneka ungene kwakhona ikhowudi kwakhona, kodwa iinombolo kunye neeleta sele zihluke. Ukuqwalasela ukuba ezi khowudi zisoloko zingenakwenzeka ukwenza, ngenxa yokuba iileta zingenakulinganiswa, amanani afanelana omnye komnye, okwenza kube nzima ukufunda, ngoko ke ikhowudi engalunganga iyazaliswa kakhulu, ngokuqhelekileyo ngabasebenzisi.
Ngokukhusela, amaninzi amaninzi alahlekelwa ngabasebenzisi. Ngokuqhelekileyo ndifuna, ngokuthobela umzelelo othile, ukushiya izimvo okanye impendulo. Kodwa apha inkqubo ithi ufuna ukufaka abalinganiswa abasuka kumfanekiso. Ezi zibalo zingenakulinganiswa ukuba emva kokuzenza iimpazamo ezimbalwa kunye nokulahlekelwa iiseli ezincinci, umsebenzisi akafuni nje ukuzama ukushiya isayithi. Kwaye abanye abaqondi ukuba kutheni konke oku kuyimfuneko, ukuba yintoni na, kwaye xa bakubona, bahamba ngokukhawuleza kwiphepha, ngenxa yokoyika ukuba igaxekile, intsholongwane okanye into enjalo.
Ngendlela eyiyo ukufaka i-captcha?
Ukugcina iingxaki zakho kwaye ungagcwalisi ikhowudi ixesha elide, ukuqikelela ukuba i-CAPTCHA kufuneka yenziwe ngokusebenzisa imigaqo ethile:
- iinombolo kunye neeleta ngekhowudi elula okanye ye-alfabhethi kufuneka ifakwe ngaphandle kweendawo, ii-commas, ixesha;
- ukungena ngokukhawuleza, ukujonga kwakhona iimpawu ezifakiwe ezikhuselekileyo;
- kodwa ukuba kumzekelo ngokwawo amagama amabini abhaliweyo kwi-space, kufuneka kubekwe;
- Amanqaku okubhala, ukuba ziboniswe kumfanekiso, mazingeniswe;
- ukuba umsebenzi ukugqiba umzekelo, kuphela impendulo engena kwigrafu, kwaye ingabi ngumzekelo ngesisombululo;
- ufunde ngokucophelela lo msebenzi ukuba ufuna ukhethe kwimifanekiso nayiphina imifanekiso (umzekelo, kufuneka ufumane iimpawu zendlela, kwaye oku akufani neenqwelo zezibhengezo kunye nezitengiso okanye amagama esitalato).
Indlela yokudlula i-CAPTCHA?
Kwi-Intanethi kukho inkcazo eninzi yokuba kukho iinkqubo ezenza ngokukhawuleza ikhowudi. Kwaye le nkqubo inokukhishwa lula, kodwa ngemali. Olu hlobo lwenkonzo alukwazi ukuthenjwa, kuba kusekho ukuxhomekeka kwinto yokuba umntu uya kufakwa ngeempawu ezisuka kwimifanekiso yebhobhothi ukuqinisekisa ukuba lo mntu akayilo robot. Iminyaka eyi-17 yokuba khona kwe-capcha, akukho nqubo efanelekileyo yokukhupha. Ndiza kufuneka ndifake abalinganiswa ngesandla.
Iintlawulo kwiCAPTCHA
Phakathi kweendlela ezininzi zokufumana inethiwekhi kunjalo, njengokungeniswa kwe-captcha ngemali. Ukuqhubela phambili ekubeni kwindlela yokuzenzekelayo le khowudi ayikwazi ukungena, kubasebenzisi abasebenzisayo abaya kuqonda le "webhubhu" yeenhlamvu ezibhaliweyo ezingabonakaliyo kwaye zibenza zibe nye. IiNkonzo onokufumana imali eyongezelelweyo xa ufaka iikhowudi ezivela kwimifanekiso:
- RuCapcha.ru;
- Antigate.ru
- Kolotibablo.com.
Unokufumana phi inkokhelo kwiCaptcha?
Iintlawulo ekuqalisweni kweCAPTCHA zifanelekile ngakumbi kwabo baqala umsebenzi kwiindawo ezivulekileyo ze-Runet, kuba ayinakuncedo ngokukodwa. Umsebenzi awunzima, kufuneka ulungise kakuhle imifanekiso ye-rebus. Ngomfanekiso ngamnye ngokuphindiweyo ngokuphindiweyo, umntu ufumana kwiyunithi enye ukuya kweyintente. Oko kukuthi, malunga ne-ruble okanye amabini kangangokuba ikhulu elinamanqaku angamakhulu afaka imifanekiso. Abanye abayekanga kwaye bafumane i-ruble engama-300 ngosuku, kodwa njengomthetho, i-ruble engaphezu kwe-30 ngosuku ayikwazi ukufumana i-capchet.
Iinkonzo zale mali:
- iyakhathalela ngisho nabantwana, kuba akukho nto inzima kule - iikhowudi eziphinda ziphinda zilungiswe okanye zixazulule imisebenzi elula;
- ithuba lokusebenzela ekhaya.
Ubunzima bokungena abalinganiswa ngemali:
- Ingeniso ephantsi kakhulu (ngenyanga, iwaka learuble ayikwazi ukufumana);
- Umbono uyawa (abasebenzisi bokuhlekisa ukuba ngenyanga enjalo yomsebenzi unokukwazi ukuzifumana kalula iiglasi ezintsha).