Amaphutha e-proxy e-502 Bad Gateway: thola ukuthi athunyelwe ngubani

Updated: 2026-11-05

I-502 Bad Gateway isho ukuthi iseva ephakathi, okungaba i-proxy yakho noma iseva yangaphambili yewebhusayithi uqobo, idlulise isicelo kodwa ayitholanga mpendulo evumelekile emuva. Inombolo efanayo, kodwa izimbangela ezimbili ezihluke kakhulu, ngakho-ke ngaphambi kokulungisa noma yini thola ukuthi ubani obuyisela le 502.

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Indlela ebukeka ngayo i-502 evela ku-proxy

Senze i-proxy yethu yokuhlola iphendule ngo-502 futhi saqopha izimpendulo, ezibhalwe kabusha nge-203.0.113.10:8080 kanye ne-user123:pass456:

Isayithi ye-HTTPS: curl -x http://user123:[email protected]:8080 https://example.com iphrinta i-curl: (56) CONNECT tunnel failed, response 502.
Isayithi evamile ye-HTTP: i-curl ithola isimo se-502.
I-Chrome elayisha ikhasi le-HTTPS ngaleyo proxy ibika i-ERR_TUNNEL_CONNECTION_FAILED futhi ayibonisi ikhasi le-502 nhlobo.
I-proxy checker ibonisa i-HTTP 502; amanye amakhodi avela ngendlela efanayo njenge-HTTP <code>.

Uphawu olucacile: ikhasi le-502 kusayithi ye-HTTPS

Kumasayithi e-HTTPS i-proxy ivula umhubhe kuphela; ayikwazi ukufaka ikhasi layo ngaphakathi koxhumano olubethelwe. Uma i-proxy yenqaba, i-Chrome ibika i-ERR_TUNNEL_CONNECTION_FAILED. Ngakho-ke uma ubona ikhasi eligcwele le-"502 Bad Gateway" livela ekhelini le-https://, cishe laphuma kuseva yewebhusayithi, hhayi ku-proxy.

Qinisekisa ngokuvala i-proxy bese ulayisha ikhasi elifanayo kabusha. Uma iseyi-502, iwebhusayithi inezinkinga futhi ukulinda noma ukwazisa umnikazi wesayithi yikho kuphela ongakwenza.

Lapho i-proxy ithumela i-502 ngempela

Indawo okuyiwa kuyo ayiyiphenduli i-proxy. Isayithi phansi, igcwele kakhulu, noma yenqaba ukuxhumana okuvela kububanzi be-IP ye-proxy.
Isizinda esibhalwe kabi noma esingatholakali. I-proxy ayikwazi ukuthola ikheli lesayithi, ngakho-ke akukho lapho ingadlulisela khona.
Imbobo yendawo okuyiwa kuyo ivaliwe. Isicelo siqondiswe embobeni isayithi engayisebenzisi.
Iphutha lesikhashana ohlangothini lwe-proxy. Kuyivelakancane; ukuqaphela lapho zonke izayithi zibuyisela i-502 nge-proxy eyodwa kodwa zisebenza kwenye.

Okufanele ukwenze endaweni ngayinye

Amaphrofayili e-Chrome noma e-antidetect: vula isayithi enkulu ehlukile kuphrofayili efanayo. Uma leyo ilayisha, i-proxy ilungile futhi isayithi yasekuqaleni yiyona enenkinga.
Ocingweni: vala i-proxy ye-Wi-Fi bese uzama ikhasi usebenzisa idatha yeselula ukuze ubone ukuthi isayithi ihluleka kuwo wonke umuntu yini.
curl: engeza u--v ukuze ubone i-502 ifika ngokushesha ngemva kwe-CONNECT, bese uphinda ngesizinda esihlukile ukuze unciphise izinketho.
Python requests: emakhasini e-HTTP hlola i-response.status_code == 502 bese uzama futhi ngemva kokuhlaba ikhefu; emakhasini e-HTTPS umhubhe ohlulekile uvezwa njenge-requests.exceptions.ProxyError. Beka isikhala phakathi kwemizamo yokuzama futhi kunokugijimisa isayithi ngezicelo.

Isinyathelo ngesinyathelo

1
Qaphela lapho i-502 ivela khona
Ikhasi le-502 ekhelini le-https likhomba iwebhusayithi. Iphutha lomhubhe ku-Chrome likhomba indlela ye-proxy.
2
Vala i-proxy bese ulayisha kabusha
I-502 ngaphandle kwe-proxy isho ukuthi iwebhusayithi uqobo iyona ehlulekayo.
3
Layisha enye isayithi usebenzisa i-proxy efanayo
Uma ezinye izayithi zisebenza, i-proxy ilungile futhi isayithi yasekuqaleni kuphela eyenqabayo noma ephansi.
4
Hlola i-proxy usebenzisa isihloli
Namathisela umugqa ku-proxy checker. Uma zonke izayithi zinikeza i-HTTP 502, vula ithikithi ngemiphumela.

Imibuzo evame ukubuzwa

Ingabe i-502 isho ukuthi i-proxy yami iphelelwe yisikhathi?

Ngokuvamile cha. I-proxy ephelelwe yisikhathi noma emisiwe ivame ukudala ukwehluleka koxhumano noma ukuphela kwesikhathi sokulinda; bheka i-proxy timeout.

Kungani iwebhusayithi eyodwa kuphela ebuyisela i-502 nge-proxy?

Leyo sayithi ingase ihluleke noma ingaphenduli ukuxhumana okuvela ku-IP ye-proxy. Zama kamuva, noma sebenzisa i-IP kwelinye izwe.

Uyini umehluko phakathi kwe-502 ne-504?

I-502 isho ukuthi kutholakale impendulo engavumelekile noma akukho okutholakele; i-504 isho ukuthi iseva ephakathi ilinde isikhathi eside kakhulu. Isihloli sibonisa kokubili njenge-HTTP <code>.

I-scraper yami ithola ama-502 ngezikhathi ezithile. Ingabe kufanele ngishintshe ama-proxy?

Ama-502 avela lapha nalaphaya ngokuvamile asho ukuthi indawo okuyiwa kuyo igcwele kakhulu. Yehlisa isivinini sezicelo zakho bese wengeza izikhala zokuzama kabusha ngaphambi kokushintsha ama-proxy; bheka i-proxies for web scraping.