{"id":110697,"date":"2023-10-09T15:10:16","date_gmt":"2023-10-09T13:10:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-versiya-pop3-i-imap4-servera-dovecot-2-3-21"},"modified":"2023-10-09T15:10:16","modified_gmt":"2023-10-09T13:10:16","slug":"novaya-versiya-pop3-i-imap4-servera-dovecot-2-3-21","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/novaya-versiya-pop3-i-imap4-servera-dovecot-2-3-21","title":{"rendered":"Uus POP3 ja IMAP4 serveri Dovecot versioon 2.3.21","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avaldatud on uus versioon multi-platvormilisest ning k\u00f5rge j\u00f5udlusega POP3\/IMAP4 serverist Dovecot 2.3.21, mis toetab POP3 ja IMAP4rev1 protokolle koos populaarsete laiendustega nagu SORT, THREAD ja IDLE ning autentimise ja kr\u00fcpteerimise mehhanismidega (SASL, TLS, SCRAM). Dovecot s\u00e4ilitab t\u00e4ieliku \u00fchilduvuse klassikaliste mbox ja Maildir vormingutega, rakendades v\u00e4list indeksit j\u00f5udluse t\u00f5stmiseks. Funktsionaalsuse laiendamiseks on v\u00f5imalik kasutada pluginaid (n\u00e4iteks on kvood ja ACL realiseeritud pluginate kaudu). Projekti kood on litsentsitud LGPL ja MIT all.      <\/p>\n<p>Peamised muudatused:  <\/p>\n<ul>\n<li class=\"l\"> lib-oauth2: JWT-tokenite kontrollimine lubatakse, kui v\u00e4li &#171;typ&#187; puudub. V\u00e4li &#171;typ&#187; ei ole teatud v\u00f5tmev\u00e4ljaandjate poolt kasutusel ruumi kokkuhoiu eesm\u00e4rgil, sh kubernetes. N\u00fc\u00fcd on &#171;typ&#187; puudumine lubatud, kuid kui see on olemas, peab see siiski olema &#171;jwt&#187;.\n<li class=\"l\"> auth: vastus &#171;Auth&#187; passdb ja userdb poolt v\u00f5ib sisaldada v\u00e4\u00e4rtust &#171;event_&lt;name&gt;=value&#187;, mis lisatakse vastavalt sisselogimise ja posti kasutaja s\u00fcndmustele.\n<li class=\"l\"> lib-master: Seab protsessi pealkirja erinevatel initsialiseerimise etappidel, et selgitada, mida protsess ootab.\n<li class=\"l\"> lib-storage: mail_temp_scan_interval intervall suureneb n\u00fc\u00fcd 0&#8230;30% s\u00f5ltuvalt kasutajanime hashist, et v\u00e4hendada koormuse h\u00fcppeliste t\u00f5usude t\u00f5en\u00e4osust.\n<li class=\"l\"> lib-storage: Ajutise faili skaneerimine on viidud postkasti avamise asemel selle sulgemise hetkele, et v\u00e4hendada kasutajate kogetavat viivitust.\n<li class=\"l\"> stats: Kui metrics m\u00e4\u00e4ratleb v\u00e4ljad, eksporditakse k\u00f5ik need v\u00e4ljad prometheusele loendurite kujul eksponeerimise formaadis.\n<li class=\"l\"> &#171;*-login&#187;: Protsessid v\u00f5isid kokku kukkuda SSL-\u00fchenduse j\u00e4rsu katkestamise korral. &#8212; acl: Plugina laadimisel arvutatakse &#092;&#092;HasChildren ja &#092;&#092;HasNoChildren lipud valesti postkastide jaoks, mille nimedes on &#8216;*&#8217; ja &#8216;%&#8217;.\n<li class=\"l\"> auth: PostgreSQL andmebaasi \u00fchenduse eba\u00f5nnestumisel k\u00e4ivitamise ajal tekkis t\u00f5rge.\n<li class=\"l\"> auth: Vale parooliga (nt tundmatu skeemiga) sisselogimisel passdb-s anti &#171;sisemine viga&#187; asemel vale parooliga veateade &#171;password mismatch&#187;.\n<li class=\"l\"> auth: XOAUTH2 ja OAUTHBEARER mehhanismid ei andnud protokolli spetsiifilisi veateateid mistahes vigade korral. See segas eriti OIDC tuvastamist.\n<li class=\"l\"> dbox: Kui last_temp_file_scan pealkiri ei olnud seadistatud (eriti p\u00e4rast dsync-migreerimist), siis j\u00e4rgmisel postkasti avamisel k\u00e4ivitati alati ajutiste failide skaneerimine. See v\u00f5is p\u00f5hjustada koormuse piiki p\u00e4rast migratsioone. Parandatud postkasti katalooge atime kasutades pealkirja puudumise korral, mis tavaliselt nihutab skaneerimise aega tulevikku.\n<li class=\"l\"> dict-redis: Tehingute tagasi kerimisel toimus t\u00f5rge.\n<li class=\"l\">  dsync: Postkasti kustutamisel kaugemas l\u00f5pus, kui hierarhia taseme eraldajad ei kattunud, tekkis l\u00f5pmatu ts\u00fckkel, mis viis m\u00e4lukoormuseni.\n<li class=\"l\"> dsync: Inkrementaalne dsync ei toimunud kaustade nimede jaoks, mis l\u00f5ppesid &#8216;%&#8217;ga, kui BROKENCHAR v\u00e4\u00e4rtust ei olnud seadistatud. Samuti viis &#8216;%&#8217; mujal esinemine iga inkrementaalse dsync k\u00e4igus kausta tarbetu \u00fcmbernimetamise ajutiseks nimeks ja tagasi. Tagasimineku regressioon v2.3.19.\n<li class=\"l\">  imap-hibernate: Kui IMAP-klient oli lukustamisel aja\u00fclese s\u00f5numiga &#171;(version received)&#187; ja hiljem suudeti lukustus edukalt l\u00f5petada ja j\u00e4tkata normaalset t\u00f6\u00f6d, tekkis segadus, kuna imap-hibernate oli juba fikseerinud, et klient on lahti \u00fchendatud. Seda saab v\u00e4ltida, sundides \u00fchendust aeguma h\u00fcbriidi l\u00f5petamise aja\u00fclese l\u00f5puga.\n<li class=\"l\"> imapc: Kukkumine, kui virtuaalsest pluginast oli kadunud kataloog.\n<li class=\"l\"> imapc: Vastused EXPUNGE, EXISTS v\u00f5i FETCH <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-los-angeles\/\"   title=\"serverilt\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3724\">serverilt<\/a> varem valitud postkasti kohta v\u00f5idi t\u00f6\u00f6delda selliselt, nagu kuuluksid need uuele postkastile, mis on hetkel valitud. See v\u00f5is kaasa tuua hoiatusi.\n<li class=\"l\"> lib-http: Dovecot'i HTTP-server (doveadm, stats\/openmetrics) v\u00f5is katkestada HTTP-kliente enne vastuse t\u00e4ielikku saatmist. See juhtus ainult koormatud serveritel, kus tuum soketite puhvrid olid tugevalt \u00fclekoormatud.\n<li class=\"l\"> lib-http: Parandatud v\u00f5imalik kukkumine http-serveris kliendi varajase katkestamise korral. Regresseerumine versioonis 2.3.18.\n<li class=\"l\"> lib-index: Indeksifaili kahjustamine v\u00f5is p\u00f5hjustada kokkuvarisemise. Parandatud: Panic: file mail-transaction-log-view.c: line 165 (mail_transaction_log_view_set): assertion failed: (min_file_seq &lt;= max_file_seq).\n<li class=\"l\">  lib-index: Olemasoleva vahem\u00e4lu faili, mille suurus \u00fcletas 1 GB, kustutamine v\u00f5is p\u00f5hjustada t\u00f5rke. N\u00fc\u00fcd, p\u00e4rast vahem\u00e4lu kustutamist, eemaldatakse failid, mille suurus \u00fcletab endiselt 1 GB. Parandatud: Panic: file mail-index-util.c: line 10 (mail_index_uint32_to_offset): assertion failed: (offset &lt; 0x40000000).\n<li class=\"l\"> lib-lua: HTTP-klient ei suutnud meiliprotsessides DNS-nimesid tuvastada, kuna oodati, et &#171;dns-client&#187; soket asub aktuelles kataloogis.\n<li class=\"l\"> lib-oauth2: Dovecot saatis client_id ja client_secret introspektsiooni serverisse POST parameetritena. Kuid Basic auth puhul on nende kasutamine valikuline.\n<li class=\"l\"> lib-oauth2: JWT &#171;aud&#187; valideerimist ei toimunud, kui &#171;aud&#187; ei olnud tokenis, kuid see oli Dovecotis seadistatud.\n<li class=\"l\"> lib-oauth2: Liialt range JWT v\u00f5tme t\u00fc\u00fcbi kontroll.\n<li class=\"l\"> lib-oauth2: JWT tokeni auditooriumi vastavust client_id-le ei kontrollitud, nagu spetsifikatsioon ette n\u00e4eb.\n<li class=\"l\"> lib-ssl-iostream: ssl_require_crl=yes parameetri kasutamine v\u00f5is p\u00f5hjustada CRL-i kontrollimise t\u00f5rkeid v\u00e4ljaminevates SSL\/TLS \u00fchendustes, kuigi eeldati, et see m\u00f5jutab CRL-i kontrollimist vaid kliendi jaoks. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/ssl-sertifikat\/\"   title=\"SSL-sertifikaadid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"345\">SSL-sertifikaadid<\/a>. v2.3.17 regressioon.\n<li class=\"l\"> lib-sql: MySQL draiver lubas m\u00e4lu leket eba\u00f5nnestumise korral \u00fchendamisel.\n<li class=\"l\"> lib-storage: Erinevad parandused, kui diskil ruum otsa sai.\n<li class=\"l\"> master: idle_kill teenuse seadistus ei t\u00f6\u00f6tanud korralikult k\u00f5rgete koormustega serverites. Oli v\u00e4ga ebat\u00f5en\u00e4oline, et m\u00f5ni protsess p\u00fcsis piisavalt kaua, et tapetud saada. Lisaks, kui protsesse oli palju (nt imap), kasutas idle_kill koodi korralikult palju CPU-d peaprotsessis. N\u00fc\u00fcd j\u00e4lgib iga idle_kill ajavahemik k\u00f5ige v\u00e4hem j\u00f5udeolekust protsesse ja tapab selle koguse.\n<li class=\"l\"> mdbox: Ajutiste failide kontrollimine toimus alati t\u00fchi kataloogides.\n<li class=\"l\"> mdbox: Kirjade kirjutamise ajal viidi fdatasync() kutsumine l\u00e4bi vale vanema katalooge. Samuti toimus t\u00f5rke korral kokkuvarisemine, mitte vea logimine.\n<li class=\"l\"> notify_status: Plugin l\u00f5petab t\u00f6\u00f6 eba\u00f5nnestunud kasutaja initsialiseerimise korral. &#8212; pop3: K\u00e4sk, millel on s\u00fcmbol &#8216;:&#8217; p\u00f5hjustas &#171;assert-crash&#187; eba\u00f5nnestumise. Tagasimineku regressioon versioonis 2.3.18.\n<li class=\"l\"> stats: Piiritletud hirm, mis tekkis, kui p\u00f6\u00f6rduti mitteeksisteeriva s\u00fcndmuse eksportija poole uue m\u00f5\u00f5du d\u00fcnaamilisel lisamisel k\u00e4suga &#171;doveadm stats add&#187;. N\u00fc\u00fcd antakse \u00f5ige viga.\n<li class=\"l\"> statistika: Kui protsess eksportis palju s\u00fcndmusi ja p\u00e4rast seda l\u00f5petati, v\u00f5isid m\u00f5ned viimased s\u00fcndmused kaduma minna.\n<li class=\"l\"> statistika: Vigased Prometheuse sildid loodi teatavate histogrammi group_by konfiguratsioonide korral. Prometheus l\u00fckkas need sildid tagasi.\n<li class=\"l\"> tervitus: Plugin ei t\u00f6\u00f6tanud teatud olukordades, kui INBOX loodi, kuid seda ei avatud, n\u00e4iteks kui INBOX-i avamise eel kasutati GETMETADATA-d.  <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59895\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043c\u043d\u043e\u0433\u043e\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e POP3\/IMAP4-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Dovecot 2.3.21, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b POP3 \u0438 IMAP4rev1 \u0441 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u043c\u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u043c\u0438, \u0442\u0430\u043a\u0438\u043c\u0438 \u043a\u0430\u043a SORT, THREAD \u0438 IDLE, \u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430\u043c\u0438 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f (SASL, TLS, SCRAM). Dovecot \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442 \u043f\u043e\u043b\u043d\u0443\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 mbox \u0438 Maildir, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044f \u0432\u043d\u0435\u0448\u043d\u0438\u0435 \u0438\u043d\u0434\u0435\u043a\u0441\u044b \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. \u0414\u043b\u044f \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043c\u043e\u0433\u0443\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043f\u043b\u0430\u0433\u0438\u043d\u044b (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0447\u0435\u0440\u0435\u0437 \u043f\u043b\u0430\u0433\u0438\u043d\u044b \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u044b [&hellip;]<\/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":[702],"tags":[],"class_list":["post-110697","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043c\u043d\u043e\u0433\u043e\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e 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