i-only-if-cached icela impendulo egciniwe ku-proxy

Cela impendulo ekhona ku-HTTP cache esebenzisanayo futhi utolike i-504 njengokushoda kwe-cache, hhayi ukulawula okuphumayo ezingeni lenethiweki.

Esicelweni okufanele sisebenzise impendulo esivele igciniwe, i-HTTP ichaza Cache-Control: only-if-cached.

Iklayenti lingayithumela nge-proxy ye-cache ye-HTTP:

curl --proxy http://127.0.0.1:3128 \
  --header 'Cache-Control: only-if-cached' \
  --include http://www.example.org/report

I-cache ehlonipha lo myalelo kufanele ibuyisele impendulo egciniwe ehambisana neminye imikhawulo yesicelo, noma i-504 Gateway Timeout uma ingasikwazi ukusifeza isicelo. Lapha i-504 ingase iveze inqubomgomo ye-cache hhayi ukuxhumana kwe-TCP okwehlulekile ku-proxy.

Umyalelo awuvumeli okuqukethwe okudala ngokuzenzakalela. Ukuqabuka, izidingo zokuqinisekisa kanye ne-izinkambu ze-Vary ezihambisanayo kusabalulekile. Umyalelo wesicelo i-no-cache ungase udinge ukuqinisekiswa okuphumelelayo emsourceni ngaphambi kokusetshenziswa kabusha.

Lokhu kwehluka futhi ekusethweni kwemodi yokuqinisekisa engaxhunyiwe ye-cache. I-only-if-cached ithwalwa esicelweni ngasinye futhi iveza lokho iklayenti elizimisele ukukwamukela.

Sebenzisa i-cache esekela le ndlela yokuziphatha. Umyalelo wesicelo ongashaywanga indiva awuwona i-firewall, ngakho ukuvimbela okuqinile kwezokuxhumana okukhuphukayo kudinga inqubomgomo yenethiweki noma yeseva eqiniswa ngokuzimela.

I-proxy ye-HTTPS CONNECT evamile ayiboni izihloko ze-HTTP ezibethelwe futhi ayigcini izinto zekhasi kulelo thaneli. Isibonelo sisebenzisa ngamabomu insiza ye-HTTP elula i-cache engayicubungula.

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