Iklayenti alikwazi ukusebenza ngenselelo yokuqinisekisa ye-proxy kuze kube yilapho linempendulo ephelele ye-HTTP yokuyihlaziya. Umugqa wesimo kanye nensimu ye-Proxy-Authenticate kusadinga umugqa ongenalutho ophetha isigaba samakhanda.

Impendulo encane ye-HTTP/1.1 engenawo umzimba inesakhiwo esilandelayo:

HTTP/1.1 407 Proxy Authentication Required<CRLF>
Proxy-Authenticate: Basic realm="local-proxy"<CRLF>
Content-Length: 0<CRLF>
<CRLF>

Uphawu ngalunye lwe-CRLF lumele amabhayithi e-carriage-return ne-line-feed, hhayi umbhalo wophawu ngokoqobo. Umugqa wokugcina wekhanda usuphela nge-CRLF; i-CRLF eyengeziwe yenza umugqa ongenalutho. I-Content-Length ibonisa ukuthi awukho umzimba olandelayo.

Thumela noma flush impendulo ephelele ngaphambi kokulinda esinye isicelo. Kusokhethi eluhlaza, cabangela futhi imibhalo ethumela amabhayithi ambalwa kunalokho okuceliwe.

I-407 idinga okungenani inselelo eyodwa ye-Proxy-Authenticate esebenzayo. Uma iklayenti lisekela uhlelo olunikeziwe futhi lithola ubufakazi, lingaphinda lizame nge-Proxy-Authorization. Izinkambu ze-401 ne-WWW-Authenticate zewebhusayithi ziphathelene nokugxuma okuhlukile.

Le nselelo ye-Basic iyisibonelo sokwenza uhlaka, hhayi umklamo ophelele wokuqinisekisa. Ubufakazi be-Basic budinga ukuxhumana okuvikekile lapho ubumfihlo bubalulekile. Ukuthumela inselelo nakho akusebenzisi ukuqinisekiswa kwephasiwedi, ukuhlaziywa kwezicelo noma umhubhe we-CONNECT.

Izihloko ezihlobene