{"id":116174,"date":"2024-05-30T00:20:35","date_gmt":"2024-05-29T22:20:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-http-tcp-balansirovshhika-haproxy-3-0"},"modified":"2024-05-30T00:20:35","modified_gmt":"2024-05-29T22:20:35","slug":"vypusk-http-tcp-balansirovshhika-haproxy-3-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/vypusk-http-tcp-balansirovshhika-haproxy-3-0","title":{"rendered":"HAProxy 3.0 HTTP\/TCP tasakaalustaja v\u00e4ljaanne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Viie aastat p\u00e4rast versiooni 2.0 lansseerimist on avaldatud koormuse tasakaalustaja HAProxy 3.0, mis v\u00f5imaldab jaotada HTTP-liiklust ja suvalisi TCP-p\u00e4ringuid serverigrupi vahel, arvesse v\u00f5ttes mitmeid tegureid (nt kontrollib serverite k\u00e4ttesaadavust, hindab koormust, omab DDoS-i vastaseid meetodeid) ning tehes andmete esmast filtreerimist (nt on v\u00f5imalik anal\u00fc\u00fcsida HTTP-pealkirju, filtreerida ebat\u00e4psete p\u00e4ringu parameetrite edastamist, blokeerida SQL-injekte ja XSS-r\u00fcnnakuid, \u00fchendada sisu t\u00f6\u00f6tlemise agente). HAProxy-d saab kasutada ka komponentide koordineerimiseks mikroteenuste arhitektuuril p\u00f5hinevates s\u00fcsteemides. Projekti kood on kirjutatud C-keeles ja see on saadaval GPLv2 litsentsi alusel. Projekti kasutatakse paljude suurte veebisaitide, sealhulgas Airbnb, Alibaba, GitHub, Imgur, Instagram, Reddit, StackOverflow, Tumblr, Twitter ja Vimeo, poolt.   <\/p>\n<p>HAProxy 3.0 on klassifitseeritud pikaajalise toe (LTS) v\u00e4ljaannete hulka ja seda toetatakse kuni 2029. aastani. Peamised muudatused:  <\/p>\n<ul>\n<li class=\"l\"> Konfiguratsiooni on lisatud uus sektsioon &#171;crt-store&#187; TLS-sertifikaatide salvestamise ja kasutamise seadistamiseks. Erinevalt varem olemas olnud seadistusest crt-list on crt-store sertifikaatide salvestus eraldatud nende kasutamisest esiotsas, v\u00f5imaldades iga sertifikaadi komponendi (sertifikaatide, v\u00f5tmete ja OCSP andmete failide) salvestuskoha individuaalset m\u00e4\u00e4ramist.\n<li class=\"l\"> Lisatud on v\u00f5imalus m\u00e4\u00e4rata piiranguid HTTP\/2 kaudu edastatavad p\u00e4ringud, mis on lubatud protokolli poolt, kuid v\u00f5ivad tekitada probleeme. N\u00e4iteks v\u00f5ib CONTINUATION kaadrivoogude saatmine p\u00f5hjustada DoS-r\u00fcnnaku Continuation flood.\n<li class=\"l\"> Lisatud on uus konfiguratsioonidirektiiv &#171;guid&#187;, mida saab kasutada sektsioonides &#171;frontend&#187;, &#171;backend&#187; ja &#171;listen&#187;. Direktiiv seondub nende sektsioonidega unikaalse identifikaatoriga, v\u00f5imaldades statistikateavet sektsiooni kohta s\u00e4ilitada ka p\u00e4rast taask\u00e4ivitamist (Statsi lehe olek ei nullita). Statistika salvestamiseks failina on lisatud uus k\u00e4sk &#171;dump stats-file&#187; ning faili lugemiseks p\u00e4rast taask\u00e4ivitamist on lisatud uus konfiguratsioonidirektiiv &#171;stats-file&#187;.\n<li class=\"l\"> Syslog s\u00f5numite tasakaalustamise v\u00f5imalusi on laiendatud. Lisatud on v\u00f5imalus m\u00e4\u00e4rata kaalufaktoreid serveritega seotud logirea jaoks.\n<li class=\"l\"> On lisatud tugi logirea vormindamiseks JSON ja CBOR esituses.\n<li class=\"l\"> On laiendatud andmeid, mida saab hankida teabe v\u00e4ljav\u00f5tu funktsioonide abil, n\u00e4iteks on v\u00f5imalik k\u00fcsida teavet avatud HTTP-seansside arvu kohta tagaplaanil ja esiplaanil, ootej\u00e4rjekorra suuruse ja lubatud samaaegsete seansside arvu kohta.\n<li class=\"l\"> \u00dche niidi Lua-skripti j\u00f5udlust, mis laaditakse direktiivi 'lua-load' abil, on parandatud.\n<li class=\"l\"> M\u00e4lu salvestruktuuride j\u00f5udlust, mis luuakse direktiiviga stick-table, on oluliselt suurendatud. N\u00e4iteks 80 l\u00f5ime s\u00fcsteemis on j\u00f5udlus kasvanud 6 korda.\n<li class=\"l\"> Mitme saidiga konfiguratsioonides, kus <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/ssl-sertifikat\/\"   title=\"TLS-sertifikaat\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"941\">TLS-sertifikaat<\/a> valitakse vastavalt hosti ID-le, mis edastatakse TLS-i laienduse SNI abil, on lisatud argument 'default-crt', mis v\u00f5imaldab m\u00e4\u00e4rata vaikimisi sertifikaadi, mis valitakse, kui veebisaidile sobivat sertifikaati ei leita.\n<li class=\"l\"> Lisati tegevused &#171;set-fc-tos&#187; ja &#171;set-bc-tos&#187; IP-pakettide DS (Differentiated Services) v\u00e4lja sisestamiseks tagaplaanil v\u00f5i esiplaanil, mis m\u00e4\u00e4rab liikluse prioriteedi.\n<li class=\"l\"> Lisati tegevused &#171;set-fc-mark&#187; ja &#171;set-bc-mark&#187;, millega saab IP-pakette markeerida tagaplaanil v\u00f5i esiplaanil, n\u00e4iteks hilisemaks sidumiseks teatud marsruutimistabeliga.\n<li class=\"l\"> Tugi UUIDv7 formaadis identifikaatorite loomisele on lisatud.\n<li class=\"l\"> Rakendatud on v\u00f5imalus kasutada &#171;@virt&#187; eesliidet virtuaalsete ACL ja Map failide loomiseks, mis ei salvestata kettale. Virtuaalsete ACL ja Map failide sisu lisatakse ja eemaldatakse kasutades Runtime API-d. Samuti on saadaval &#171;@opt&#187; eesliide, mille korral virtuaalsed failid rakendatakse ainult siis, kui kettal ei ole olemas tegelikku faili.\n<li class=\"l\"> Tehtud muudatused, mis rikkusid tagasip\u00f6\u00f6ratavust: keelatud on mitme k\u00e4su saatmine Runtime API-s \u00fches p\u00e4ringus, jagatuna reavahetuse s\u00fcmboliga; keelatud on seada &#171;enabled&#187; m\u00e4rks\u00f5na d\u00fcnaamilistele <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serverite\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1538\">serverite<\/a>; rangem kontroll mittestandardsete URI-de \u00fcle.        <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61267\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043f\u0443\u0441\u0442\u044f \u043f\u044f\u0442\u044c \u043b\u0435\u0442 \u0441 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(\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u043e\u0446\u0435\u043d\u0438\u0432\u0430\u0435\u0442 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u0438\u043c\u0435\u0435\u0442 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f DDoS) \u0438 \u043f\u0440\u043e\u0432\u043e\u0434\u044f \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u0443\u044e \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u044e \u0434\u0430\u043d\u043d\u044b\u0445 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u044c HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0438, 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