{"id":123601,"date":"2025-04-19T09:05:08","date_gmt":"2025-04-19T07:05:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-ntp-servera-ntpsec-1-2-4"},"modified":"2025-04-19T09:05:08","modified_gmt":"2025-04-19T07:05:08","slug":"vypusk-ntp-servera-ntpsec-1-2-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-ntp-servera-ntpsec-1-2-4","title":{"rendered":"Udgivelsen af NTP-serveren NTPsec 1.2.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Efter mere end et \u00e5rs udvikling er version 1.2.4 af NTPsec tidssynkroniseringsserveren blevet offentliggjort. Projektet blev skabt som en fork af den referenceimplementering af NTPv4-protokollen (NTP Classic 4.3.34), med fokus p\u00e5 at omarbejde kodebasen for at forbedre sikkerheden. Kildekoden til NTPsec distribueres under BSD-, MIT- og NTP-licenserne.    <\/p>\n<p>NTPsec udvikles under ledelse af Eric Raymond med deltagelse af nogle af udviklerne fra det originale NTP Classic, ingeni\u00f8rer fra Hewlett Packard og Akamai Technologies samt projekterne GPSD og RTEMS. Blandt forskellene fra NTP Classic er tilf\u00f8jelsen af support for NTS-protokollen (Network Time Security), en reduktion af kodebasens st\u00f8rrelse med over det dobbelte (for\u00e6ldede funktioner og irrelevante platforme er fjernet), implementeringen af en standalone-tilstand, anvendelse af metoder til at forhindre angreb (f.eks. filtrering af systemopkald) og overgangen til sikre funktioner til h\u00e5ndtering af hukommelse og strenge.        <\/p>\n<p>I den nye version:  <\/p>\n<ul>\n<li class=\"l\"> Indstillingen \u00abextra port xxxx\u00bb er tilf\u00f8jet til h\u00e5ndtering af foresp\u00f8rgsler p\u00e5 en ekstra netv\u00e6rksport ud over den prim\u00e6re port, som konfigureres via \u00abnts port xxxx\u00bb. Den ekstra port kan v\u00e6re nyttig til at omg\u00e5 blokeringer af adgangen til eksterne NTP-servere, der er p\u00e5lagt af firewalls.\n<li class=\"l\"> Tilf\u00f8jet support for bygning p\u00e5 Linux-systemer med armhf-arkitektur.\n<li class=\"l\"> Der er sikret support for drift af ntpd p\u00e5 systemer i FIPS-tilstand.\n<li class=\"l\"> Waf byggev\u00e6rkt\u00f8jet er opdateret til version 2.1.4. I Debian installeres v\u00e6rkt\u00f8jer skrevet i Python, s\u00e5som ntpq og ntpmon, nu i katalogen \u00ab\/usr\/local\/lib\/python3.xx\/site-packages\u00bb i stedet for \u00ab\/usr\/local\/lib\/python3.xx\/dist-packages\u00bb. Testning af de installerede eksekverbare filer er inkluderet i kommandoen \u00abwaf install\u00bb, og med kommandoen \u00abwaf configure \u2014enable-Werror\u00bb kan h\u00e5ndtering af compileradvarsler som fejl nu aktiveres.\n<li class=\"l\"> Den minimal anf\u00f8rte version af Python er 2.7. Supporten for Python 2 planl\u00e6gges stoppet i den n\u00e6ste version.\n<li class=\"l\"> Som standard er indstillingen \u00ab\u2014disable-fuzz\u00bb anvendt, som deaktiverer mekanismen \u00abClock fuzzing\u00bb (tilf\u00f8jelse af tilf\u00e6ldige millisekundforsinkelser til den tid, der leveres til klienter, hvilket ikke p\u00e5virker den samlede n\u00f8jagtighed, men forhindrer angribere i at forudsige den faktiske tidsv\u00e6rdi).\n<li class=\"l\"> Resten af koden, der er relateret til drift i broadcast- og multicast-tilstande, er fjernet.\n<li class=\"l\"> I ntpdig er der tilf\u00f8jet en mulighed for binding til den angivne <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/lir\/ipv4\/\"   title=\"IP-adressen\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"610\">IP-adressen<\/a>.\n<li class=\"l\"> Der NTS-KE-konfiguration er tilf\u00f8jet en mulighed for at konfigurere listen over foretrukne krypteringsalgoritmer til TLS.\n<li class=\"l\"> I stedet for ntp_adjtime anvendes kaldet ntp_gettime.       <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63103\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u043e\u0447\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 NTPsec 1.2.4. \u041f\u0440\u043e\u0435\u043a\u0442 \u0431\u044b\u043b \u0441\u043e\u0437\u0434\u0430\u043d \u043a\u0430\u043a \u0444\u043e\u0440\u043a \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 NTPv4 (NTP Classic 4.3.34), \u0441\u0444\u043e\u043a\u0443\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b \u0441 \u0446\u0435\u043b\u044c\u044e \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0439 \u043a\u043e\u0434 NTPsec \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f\u043c\u0438 BSD, MIT \u0438 NTP. NTPsec \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e\u043c \u042d\u0440\u0438\u043a\u0430 \u0420\u0435\u0439\u043c\u043e\u043d\u0434\u0430 (Eric S. Raymond) \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 [&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-123601","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 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0430 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