{"id":53759,"date":"2019-12-09T00:00:00","date_gmt":"2019-12-08T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/novaya-versiya-pochtovogo-servera-exim-4-93"},"modified":"2020-02-18T14:01:41","modified_gmt":"2020-02-18T11:01:41","slug":"novaya-versiya-pochtovogo-servera-exim-4-93","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-93","title":{"rendered":"Az \u00faj Exim 4.93 e-mail kiszolg\u00e1l\u00f3 verzi\u00f3ja","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>10 h\u00f3napos fejleszt\u00e9s ut\u00e1n <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Exim\/exim\/releases\/tag\/exim-4.93\">megt\u00f6rt\u00e9nt<\/a><\/noindex> az e-mail kiszolg\u00e1l\u00f3 kiad\u00e1sa <noindex><a rel=\"nofollow\" href=\"http:\/\/exim.org\/\">Exim 4.93<\/a><\/noindex>, amelyben a felhalmozott jav\u00edt\u00e1sokat \u00e9s \u00faj lehet\u0151s\u00e9geket vezettek be. A novemberi szerint <noindex><a rel=\"nofollow\" href=\"http:\/\/www.securityspace.com\/s_survey\/data\/man.201911\/mxsurvey.html\">automatiz\u00e1lt felm\u00e9r\u00e9s szerint<\/a><\/noindex> K\u00f6r\u00fclbel\u00fcl egymilli\u00f3 levelez\u0151szerver k\u00f6z\u00fcl az Exim r\u00e9szesed\u00e9se 56,90% (egy \u00e9ve 56,56%), a Postfix 34,98% (33,79%)-ot haszn\u00e1l, a Sendmail - 3,90% (5,59%), a Microsoft Exchange pedig - 0,51% (0,85%). <\/p>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/ChangeLog\">F\u0151<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/NewStuff\">v\u00e1ltoz\u00e1sok<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> K\u00fcls\u0151 hiteles\u00edt\u0151k t\u00e1mogat\u00e1sa (<noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc4422#appendix-A\">RFC 4422<\/a><\/noindex>). A \u201eSASL EXTERNAL\u201d parancs seg\u00edts\u00e9g\u00e9vel az \u00fcgyf\u00e9l t\u00e1j\u00e9koztathatja a szervert a k\u00fcls\u0151 szolg\u00e1ltat\u00e1sokon kereszt\u00fcl tov\u00e1bb\u00edtott hiteles\u00edt\u00e9si adatok haszn\u00e1lat\u00e1r\u00f3l, mint p\u00e9ld\u00e1ul az IP Security (RFC4301) \u00e9s a TLS;\n<li class=\"l\"> Hozz\u00e1adva a JSON form\u00e1tum haszn\u00e1lat\u00e1nak lehet\u0151s\u00e9ge a lookup-ellen\u0151rz\u00e9sekhez. Tov\u00e1bbi lehet\u0151s\u00e9gek a \u201eforall\u201d \u00e9s \u201eany\u201d felt\u00e9teles maszkokhoz JSON haszn\u00e1lat\u00e1val.\n<li class=\"l\"> Hozz\u00e1adva a $tls_in_cipher_std \u00e9s $tls_out_cipher_std v\u00e1ltoz\u00f3k, amelyek a RFC-b\u0151l sz\u00e1rmaz\u00f3 titkos\u00edt\u00e1si k\u00e9szletek neveit tartalmazz\u00e1k.\n<li class=\"l\"> \u00daj z\u00e1szl\u00f3k hozz\u00e1adva az \u00fczenetazonos\u00edt\u00f3 napl\u00f3z\u00e1s\u00e1nak vez\u00e9rl\u00e9s\u00e9re (a be\u00e1ll\u00edt\u00e1son kereszt\u00fcl adhat\u00f3 meg  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.exim.org\/exim-html-current\/doc\/html\/spec_html\/ch-log_files.html\">log_selector<\/a><\/noindex>): \u201emsg_id\u201d (alap\u00e9rtelmez\u00e9s szerint aktiv\u00e1lva) a \u00fczenetazonos\u00edt\u00f3val \u00e9s a \u201emsg_id_created\u201d az \u00faj \u00fczenet sz\u00e1m\u00e1ra gener\u00e1lt azonos\u00edt\u00f3val.\n<li class=\"l\"> A \u201everify=not_blind\u201d m\u00f3dhoz hozz\u00e1adva a \u201ecase_insensitive\u201d opci\u00f3 t\u00e1mogat\u00e1sa a karakterek kis- \u00e9s nagybet\u0171\u00e9rz\u00e9kenys\u00e9g\u00e9nek figyelmen k\u00edv\u00fcl hagy\u00e1s\u00e1hoz az ellen\u0151rz\u00e9s sor\u00e1n.\n<li class=\"l\"> Hozz\u00e1adva egy k\u00eds\u00e9rleti lehet\u0151s\u00e9g EXPERIMENTAL_TLS_RESUME, amely lehet\u0151v\u00e9 teszi a kor\u00e1bban megszak\u00edtott TLS kapcsolat folytat\u00e1s\u00e1t.\n<li class=\"l\"> Hozz\u00e1adva az exim_version opci\u00f3t a Exim verzi\u00f3sz\u00e1mot tartalmaz\u00f3 sz\u00f6veg fel\u00fcl\u00edr\u00e1s\u00e1hoz, amely k\u00fcl\u00f6nb\u00f6z\u0151 helyeken jelenik meg \u00e9s \u00e1tadhat\u00f3 a $exim_version \u00e9s $version_number v\u00e1ltoz\u00f3kon kereszt\u00fcl.\n<li class=\"l\"> \u00daj ${sha2_N:} oper\u00e1tor vari\u00e1nsok hozz\u00e1adva N=256, 384, 512 eset\u00e9n.\n<li class=\"l\"> Megval\u00f3s\u00edtva a \u201e$r_...\u201d v\u00e1ltoz\u00f3k, amelyek a tov\u00e1bb\u00edt\u00e1si opci\u00f3kb\u00f3l \u00e1ll\u00edthat\u00f3k be, \u00e9s felhaszn\u00e1lhat\u00f3ak a tov\u00e1bb\u00edt\u00e1si \u00e9s sz\u00e1ll\u00edt\u00e1si d\u00f6nt\u00e9sek sor\u00e1n.\n<li class=\"l\"> Az SPF lookup k\u00e9r\u00e9sekhez IPv6 t\u00e1mogat\u00e1s hozz\u00e1adva.\n<li class=\"l\"> A DKIM ellen\u0151rz\u00e9sek sor\u00e1n lehet\u0151s\u00e9g van a kulcsok \u00e9s hashek t\u00edpusainak sz\u0171r\u00e9s\u00e9re.\n<li class=\"l\">  A TLS 1.3 haszn\u00e1latakor biztos\u00edtva van az OCSP (Online Certificate Status Protocol) kiterjeszt\u00e9s t\u00e1mogat\u00e1sa a <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/OCSP_stapling\">st\u00e1tusz ellen\u0151rz\u00e9s\u00e9hez<\/a><\/noindex> a tan\u00fas\u00edtv\u00e1ny visszavon\u00e1si st\u00e1tus\u00e1nak figyel\u00e9s\u00e9hez.\n<li class=\"l\"> Hozz\u00e1adva az \u201esmtp:ehlo\u201d esem\u00e9ny a t\u00e1voli f\u00e9l \u00e1ltal biztos\u00edtott funkci\u00f3k list\u00e1j\u00e1nak figyel\u00e9s\u00e9re.\n<li class=\"l\"> Hozz\u00e1adva egy parancssori opci\u00f3 az \u00fczenetek \u00e1thelyez\u00e9s\u00e9re egy elnevezett sorb\u00f3l egy m\u00e1sikba.\n<li class=\"l\"> Hozz\u00e1adva a TLS verzi\u00f3val kapcsolatos v\u00e1ltoz\u00f3k a bej\u00f6v\u0151 \u00e9s kimen\u0151 k\u00e9r\u00e9sekhez - $tls_in_ver \u00e9s $tls_out_ver.\n<li class=\"l\"> Az OpenSSL haszn\u00e1latakor hozz\u00e1adt\u00e1k a f\u00e1jlok kulcsokkal val\u00f3 \u00edr\u00e1s\u00e1nak funkci\u00f3j\u00e1t NSS form\u00e1tumban a megfogott h\u00e1l\u00f3zati csomagok dek\u00f3dol\u00e1s\u00e1hoz. A f\u00e1jl neve az SSLKEYLOGFILE k\u00f6rnyezeti v\u00e1ltoz\u00f3 \u00e1ltal van megadva. GnuTLS haszn\u00e1latakor hasonl\u00f3 funkcionalit\u00e1s \u00e9rhet\u0151 el, de root jogokkal kell rendelkezni.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51995\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 10 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.93, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u043d\u0430\u043a\u043e\u043f\u0438\u0432\u0448\u0438\u0435\u0441\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438. \u0412 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043d\u043e\u044f\u0431\u0440\u044c\u0441\u043a\u0438\u043c \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043e\u043f\u0440\u043e\u0441\u043e\u043c \u043e\u043a\u043e\u043b\u043e \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0434\u043e\u043b\u044f Exim \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 56.90% (\u0433\u043e\u0434 \u043d\u0430\u0437\u0430\u0434 56.56%), Postfix \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 34.98% (33.79%) \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, Sendmail &#8212; 3.90% (5.59%), Microsoft Exchange &#8212; 0.51% (0.85%). \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 [&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-53759","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 10 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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