{"id":55407,"date":"2020-01-20T00:00:00","date_gmt":"2020-01-19T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/nginx-kak-pobedit-response_status-0"},"modified":"2020-02-18T14:03:31","modified_gmt":"2020-02-18T11:03:31","slug":"nginx-kak-pobedit-response_status-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/administrirovanie\/nginx-kak-pobedit-response_status-0","title":{"rendered":"[Nginx] \u041a\u0430\u043a \u043f\u043e\u0431\u0435\u0434\u0438\u0442\u044c response_status = 0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Raksts, kas attiecas uz \u00abpiez\u012bm\u0113m mal\u0101s\u00bb.<\/p>\n

TL:DR:<\/b><\/p>\n

http2_max_field_size 8k; # visi tiek gl\u0101bti!<\/code><\/pre>\n
Vien\u0101 no projektiem, p\u0113c da\u017e\u0101du iek\u0161\u0113jo lo\u0123iku mai\u0146as backend\u0101, s\u0101ku nov\u0113rot d\u012bvainu response_code \u017eurn\u0101los, proti \u2014 0. \u017durn\u0101los tas izskat\u0101s aptuveni t\u0101:<\/p>\n
{\n  \"timestamp\": \"2020-01-17T08:41:51+00:00\",\n  \"remote_addr\": \"zzz.zzz.zzz.zzz\",\n  \"request_time\": 0,\n  \"upstream_response_time\": \"\",\n  \"upstream_header_time\": \"\",\n  \"http_accept_language\": \"-valoda\",\n  \"response_status\": 0,\n  \"request\": \"\",\n  \"host\": \"example.com\",\n  \"upstream_addr\": \"\",\n  \"http_referrer\": \"\",\n  \"request_length\": 5854,\n  \"bytes_sent\": 0,\n  \"http_user_agent\": \"\"\n}\n<\/code><\/pre>\n
<\/a><\/noindex>
\nDokument\u0101cijas las\u012b\u0161ana un mekl\u0113\u0161ana \u0161aj\u0101 jaut\u0101jum\u0101 nepal\u012bdz\u0113ja \u2014 jo tiek apgalvots, ka \u0161\u0101ds uzved\u012bbas modelis rodas, kad klients aizver savienojumu, nenododot virsrakstus. Un vis\u0101das eksotiskas lietas ar wsgi_ bufera izm\u0113ru, kas m\u016bsu gad\u012bjum\u0101 nemaz nebija piem\u0113rotas.<\/p>\n
Kopum\u0101 nol\u0113m\u0101m, ka probl\u0113ma nav probl\u0113ma, \u0146emot v\u0113r\u0101, ka m\u016bsu apjomos tas nav kritiski.<\/p>\n
Tie\u0161i l\u012bdz tam br\u012bdim, kam\u0113r mani nenodarbina n\u0101kam\u0101 probl\u0113ma: da\u017eos gad\u012bjumos saites bez gr\u016bt\u012bb\u0101m atveras pa http, bet piln\u012bgi atsak\u0101s darboties pa https, izsnieg\u0161ana lieliska: Connection #0 to host example.com left intact
\ncurl: (52) Tuk\u0161a atbilde no servera<\/p>\n
\u017durn\u0101los \u0161o lietu izdev\u0101s izsekot tikai pa IP \u2014 ne piepras\u012bjuma, ne citu datu, k\u0101 redzams augst\u0101k min\u0113taj\u0101 piem\u0113r\u0101, nav. Tikai visp\u0101rzin\u0101m\u0101 statuss 0, bet es ta\u010du zinu, ka piepras\u012bjumu es nenosl\u0113dzu! S\u0101ku p\u0113t\u012bt, kas var\u0113tu iet ne t\u0101. Un viss izr\u0101d\u012bj\u0101s \u013coti vienk\u0101r\u0161i:<\/p>\n
listen 443 ssl<\/a> http2<\/b> backlog=8192;<\/i><\/p>\n
Nu t\u0101 \u2014 ja tiek izmantots http2 ssl savienojumiem, tad nepietiek tikai konfigur\u0113t piepras\u012bjuma buferus, tos j\u0101konfigur\u0113 ar\u012b ngx_http_v2_module, proti:<\/p>\n
Sintakse:\thttp2_max_field_size lielums;\nNoklus\u0113jums:\thttp2_max_field_size 4k;\nKonteksts:\thttp, server\n<\/code><\/pre>\n
\nIerobe\u017eo maksim\u0101lo piepras\u012bjuma virsraksta izm\u0113ru, kas saspiests ar HPACK. Ierobe\u017eojums attiecas vien\u0101di gan uz nosaukumu, gan uz v\u0113rt\u012bbu. Ja tiek izmantota Huffmana kod\u0113\u0161ana, faktiskais atpakot\u0101 nosaukuma un v\u0113rt\u012bbas izm\u0113rs var b\u016bt liel\u0101ks. Noklus\u0113juma ierobe\u017eojums der liel\u0101kajai da\u013cai piepras\u012bjumu.<\/i><\/p>\n
Visp\u0101r, t\u0101 ir t\u0101. Un k\u0101p\u0113c? Jo saites garums bija liels \u2014 liel\u0101ks par tiem pa\u0161iem 4k.<\/p>\n
Iestatot to, piem\u0113ram, uz 8kb (jeb tik daudz, cik noteikti pietiks) \u2014 atrisin\u0101m probl\u0113mu.
\nT\u0101das ir lietas.
\n
Avots: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
\u0421\u0442\u0430\u0442\u044c\u044f \u0438\u0437 \u0440\u0430\u0437\u0440\u044f\u0434\u0430 \u00ab\u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u043d\u0430 \u043f\u043e\u043b\u044f\u0445\u00bb. TL:DR: http2_max_field_size 8k; # \u0432\u0441\u0435\u0445 \u0441\u043f\u0430\u0441\u0435\u0442! \u041d\u0430 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u043f\u043e\u0441\u043b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u043b\u043e\u0433\u0438\u043a\u0438 \u0431\u0435\u043a\u0435\u043d\u0434\u0430, \u043d\u0430\u0447\u0430\u043b \u043d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u044c \u0441\u0442\u0440\u0430\u043d\u043d\u044b\u0439 response_code \u0432 \u043b\u043e\u0433\u0430\u0445, \u0430 \u0438\u043c\u0435\u043d\u043d\u043e \u2014 0. \u0412 \u043b\u043e\u0433\u0430\u0445 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0442\u0430\u043a: { "timestamp": "2020-01-17T08:41:51+00:00", "remote_addr": "zzz.zzz.zzz.zzz", "request_time": 0, "upstream_response_time": "", "upstream_header_time": "", "http_accept_language": "-language", "response_status": 0, "request": "", "host": […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-55407","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47[Nginx] \u041a\u0430\u043a \u043f\u043e\u0431\u0435\u0434\u0438\u0442\u044c response_status = 0 | ProHoster","description":"Raksts par t\u0113mu \u201epiez\u012bmes mala.\u201d TL:DR: http2_max_field_size 8k; # visu gl\u0101bs! Vien\u0101 no projektiem, p\u0113c da\u017eu izmai\u0146u veik\u0161anas.","canonical_url":"https:\/\/prohoster.info\/lv\/blog\/administrirovanie\/nginx-kak-pobedit-response_status-0","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"lv_LV","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47[Nginx] \u041a\u0430\u043a \u043f\u043e\u0431\u0435\u0434\u0438\u0442\u044c response_status = 0 | ProHoster","og:description":"\u0421\u0442\u0430\u0442\u044c\u044f \u0438\u0437 \u0440\u0430\u0437\u0440\u044f\u0434\u0430 \u00ab\u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u043d\u0430 \u043f\u043e\u043b\u044f\u0445\u00bb. 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