{"id":114805,"date":"2024-04-05T18:25:42","date_gmt":"2024-04-05T16:25:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-openbsd-7-5"},"modified":"2024-04-05T18:25:42","modified_gmt":"2024-04-05T16:25:42","slug":"vypusk-openbsd-7-5","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/vypusk-openbsd-7-5","title":{"rendered":"Rilascio di OpenBSD 7.5.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stato rilasciato OpenBSD 7.5, un sistema operativo open source simile a UNIX. Il progetto OpenBSD \u00e8 stato fondato da Theo de Raadt nel 1995 dopo un conflitto con gli sviluppatori di NetBSD, che ha portato alla reclusione di Theo dall'accesso al repository CVS di NetBSD. Da allora, Theo de Raadt e un gruppo di collaboratori hanno creato un nuovo sistema operativo open source basato sul codice di NetBSD, con l'obiettivo principale di portabilit\u00e0 (supporto per 13 piattaforme hardware), standardizzazione, funzionamento corretto, sicurezza proattiva e strumenti crittografici integrati. La dimensione dell'immagine ISO di installazione completa del sistema base OpenBSD 7.5 \u00e8 di 630 MB.       <\/p>\n<p>Oltre al sistema operativo stesso, il progetto OpenBSD \u00e8 noto per i suoi componenti, che hanno trovato applicazione in altri sistemi e si sono affermati come tra le soluzioni pi\u00f9 sicure e di alta qualit\u00e0. Tra questi: LibreSSL (fork di OpenSSL), OpenSSH, il filtro di pacchetti PF, i demoni di routing OpenBGPD e OpenOSPFD, il server NTP OpenNTPD, il server di posta OpenSMTPD, il multiplexer di terminale testuale (simile a GNU screen) tmux, il demone identd con implementazione del protocollo IDENT, l'alternativa BSDL al pacchetto GNU groff \u2014 mandoc, il protocollo per la gestione dei sistemi ad alta disponibilit\u00e0 CARP (Common Address Redundancy Protocol), un leggero server http, l'utility di sincronizzazione dei file OpenRSYNC.          <\/p>\n<p>Miglioramenti principali:   <\/p>\n<ul>\n<li class=\"l\"> Nel programmato di installazione \u00e8 stata aggiunta la supporto per la crittografia della partizione di root. Nella modalit\u00e0 di installazione automatizzata (autoinstall) \u00e8 stata offerta la possibilit\u00e0 di attivare la crittografia dei dischi tramite l'immissione di una password in testo chiaro o fornendo chiavi su un supporto esterno. Le build per l'architettura AMD64 cdXX.iso e installXX.iso sono state adattate per l'avvio in modalit\u00e0 EFI.\n<li class=\"l\"> \u00c8 stata aggiunta la chiamata di sistema pinsyscalls, che consente di limitare l'accesso alle chiamate di sistema solo da specifiche aree dello spazio indirizzi del processo. Il kernel e ld.so possono registrare il punto d'ingresso esatto in ogni chiamata di sistema utilizzata dal programma e dalla libreria libc.so, per poi bloccare l'invio di chiamate di sistema da luoghi non registrati.\n<li class=\"l\"> \u00c8 stata rimossa la supporto per l'accesso indiretto alle chiamate di sistema tramite la funzione syscall. In combinazione con pinsyscalls, questa modifica consente di vietare l'accesso diretto alle chiamate di sistema senza utilizzare i wrapper forniti in libc. I pacchetti che presentano chiamate dirette alle chiamate di sistema, come Perl e Go, sono stati modificati per utilizzare solo le funzioni di libc.\n<li class=\"l\"> \u041d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 ARM64 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u0432 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0435\u0439 (PAC &#8212; Pointer Authentication) \u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0432\u0435\u0442\u0432\u043b\u0435\u043d\u0438\u044f (BTI &#8212; Branch Target Identification).\n<li class=\"l\"> \u00c8 stata aggiunta una nuova funzionalit\u00e0 all'interfaccia di rete ppp. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/lir\/ipv4\/\"   title=\"supporto IPv6\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"385\">supporto IPv6<\/a>.\n<li class=\"l\"> \u0412 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 netstat \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u0432\u044b\u0432\u043e\u0434 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0438 \u043e\u0431 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u043e\u0432 (\u0432 \u0432\u044b\u0432\u043e\u0434\u0435  &#171;netstat -s&#187; \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0441\u0447\u0451\u0442\u0447\u0438\u043a\u0438 \u043f\u043e\u043f\u0430\u0434\u0430\u043d\u0438\u0439 \u0438 \u043f\u0440\u043e\u043c\u0430\u0445\u043e\u0432 \u043a\u0430\u0448\u0430).\n<li class=\"l\"> \u0412 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u043c \u0444\u0438\u043b\u044c\u0442\u0440\u0435 pf \u0443\u0447\u0442\u0435\u043d\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u0441\u0435\u0442\u0435\u0432\u043e\u043c \u0441\u0442\u0435\u043a\u0435, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0440\u0430\u0441\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0438\u0432\u0430\u043d\u0438\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043d\u0430 \u043c\u043d\u043e\u0433\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u041f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u0443\u0442\u0438\u043b\u0438\u0442\u044b tcpdump \u0441 \u0441\u0435\u0442\u0435\u0432\u044b\u043c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c pflog \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d \u043f\u043e\u043a\u0430\u0437 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u043e\u0442\u0431\u0440\u043e\u0448\u0435\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u043d\u0438\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u043f\u043e\u0434 \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0441 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435\u043c &#171;block&#187;. \u0414\u043b\u044f \u043f\u0440\u0430\u0432\u0438\u043b \u0441 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435\u043c &#171;pass&#187; \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0437\u0430\u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432. \u0412 divert \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0441\u0442\u0438 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043e\u043f\u0446\u0438\u0439 \u0432 \u043f\u0430\u043a\u0435\u0442\u0430\u0445 IPv4.\n<li class=\"l\"> \u00c8 stata migliorata la supporto per sistemi multi-processore (SMP). I gestori di timeout nello stack di rete, i conteggi di pacchetti per l'interfaccia loopback e il modulo vscsi_filtops sono stati spostati nella categoria mp-safe. \u00c8 stata garantita la possibilit\u00e0 di eseguire in parallelo le chiamate di sistema bind e connect, cos\u00ec come le operazioni con le tabelle UDP per IPv4 e IPv6. \u00c8 stata aggiunta la supporto per l'invio simultaneo di pacchetti UDP da pi\u00f9 thread.\n<li class=\"l\"> \u00c8 stato migliorato il trattamento delle situazioni di overflow della partizione di swap, apportate modifiche per escludere i deadlock.\n<li class=\"l\"> Nel kernel per i sistemi arm64 \u00e8 stata implementata la memorizzazione nella cache del contenuto dei pool di tabelle di pagine di memoria e dei descrittori PTE, il che ha notevolmente accelerato le prestazioni sui sistemi multi-core.\n<li class=\"l\"> Sono stati apportati miglioramenti all'ipervisor VMM. L'implementazione del dispositivo vionet \u00e8 stata riscritta per supportare il multithreading e il trasferimento di dati tra l'host e il sistema guest in modalit\u00e0 zero-copy, senza buffering intermedio. \u00c8 stata aumentata la stabilit\u00e0 dell'ipervisor sui sistemi con istruzioni Intel VMX. \u00c8 stata aggiunta una protezione supplementare contro vulnerabilit\u00e0 recentemente scoperte nei processori, relativo all'esecuzione speculativa delle istruzioni e alle perdite di dati residui dai registri.\n<li class=\"l\"> Per i sistemi amd64 \u00e8 stato aggiunto sysctl machdep.retpoline per gestire l'attivazione del meccanismo retpoline per proteggere contro gli attacchi della classe Spectre.\n<li class=\"l\"> \u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 drm (Direct Rendering Manager) \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0441 \u044f\u0434\u0440\u043e\u043c Linux 6.6.19 (\u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 &#8212; 6.1.55).\n<li class=\"l\"> \u00c8 stata aggiunta la supporto per nuova hardware e inclusi nuovi driver relativi ai componenti di vari SoC, supporto per controller Ethernet e outsourcing delle operazioni di rete ai network card.\n<li class=\"l\"> Nel sottosistema audio uaudio \u00e8 stato consentito di collegare pi\u00f9 driver per dispositivi audio.\n<li class=\"l\"> Sono stati aggiunti i driver apldcp e apldrm per controller di visualizzazione utilizzati nei dispositivi Apple. Per Apple Powerbook \u00e8 stata implementata la gestione della retroilluminazione della tastiera.\n<li class=\"l\"> \u00c8 stato aggiunto il driver qwx per i chip wireless Qualcomm IEEE 802.11ax, creato tramite il porting del driver ath11k dal kernel Linux (incluso nel kernel a partire dalla versione 5.6). Il driver permette di utilizzare adattatori wireless presenti in laptop come Lenovo ThinkPad X13s e DELL XPS 9500. Per il funzionamento del driver \u00e8 necessaria l'installazione dei file di firmware.\n<li class=\"l\"> L'utilit\u00e0 pax ha aggiunto la possibilit\u00e0 di scrivere in archivi pax, mentre l'utilit\u00e0 tar ha incluso il supporto per archivi pax di dimensioni superiori agli 8 GB.\n<li class=\"l\"> Nell'utilit\u00e0 ifconfig \u00e8 stata aggiunta la possibilit\u00e0 di specificare numeri di porta per le interfacce di rete associate a tunnel, come gif e gre.\n<li class=\"l\"> Nel bgpd, il meccanismo di trasmissione dei messaggi e la maggior parte dei parser di protocolli sono stati convertiti in una nuova API sicura per la gestione della memoria.\n<li class=\"l\"> Nel rpki-client \u00e8 stato aggiunto il supporto sperimentale per l'algoritmo di firma digitale P-256. \u00c8 stata implementata la possibilit\u00e0 di limitare l'azione del RPKI Trust Anchor solo a determinati numeri di sistemi autonomi. \u00c8 stato aggiunto il supporto per le liste di prefissi firmati RPKI (Signed Prefix List).\n<li class=\"l\"> \u0412 smtpd \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 RFC 7505 (&#171;Null MX&#187; \u0434\u043b\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/domain\/\"   title=\"domini\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3157\">domini<\/a>, che non accettano email) ed \u00e8 garantita la possibilit\u00e0 di incorporare in smtpd.conf tabelle e elenchi multilinea con filtri.\n<li class=\"l\"> \u00c8 stata fornita la possibilit\u00e0 di installare l'ambiente desktop personalizzato KDE Plasma 5.27 dai pacchetti kde-plasma e kde-plasma-extra (dopo la cessazione del supporto per KDE4, il supporto per l'uso del desktop KDE Plasma 5 \u00e8 rimasto non funzionante in OpenBSD). Sono state offerte le versioni KDE Plasma 5.27.10, KDE Applications 23.08.4 e KDE Frameworks 5.115.0 per l'installazione.\n<li class=\"l\"> I pacchetti LibreSSL e OpenSSH sono stati aggiornati. Una panoramica dettagliata dei miglioramenti \u00e8 disponibile nelle recensioni di LibreSSL 3.9.0, OpenSSH 9.6 e OpenSSH 9.7.\n<li class=\"l\">\u0427\u0438\u0441\u043b\u043e \u043f\u043e\u0440\u0442\u043e\u0432 \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b AMD64 \u0441\u043e\u0441\u0442\u0430\u0432\u0438\u043b\u043e : 12309  (\u0431\u044b\u043b\u043e 11845), \u0434\u043b\u044f aarch64 &#8212;  12145  (\u0431\u044b\u043b\u043e 11508), \u0434\u043b\u044f i386 &#8212; 10830 (\u0431\u044b\u043b\u043e 10603). \u0421\u0440\u0435\u0434\u0438 \u0432\u0435\u0440\u0441\u0438\u0439 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0432 \u043f\u043e\u0440\u0442\u0430\u0445:\n<ul>\n<li> Asterisk 16.30.1, 18.21.0, 20.6.0\n<li> Audacity 3.4.2\n<li> CMake 3.28.3\n<li> Chromium 122.0.6261.111\n<li> FFmpeg 4.4.4\n<li> Firefox 123.0.1, ESR 115.8.0\n<li> GCC 8.4.0, 11.2.0\n<li> GHC 9.6.4\n<li> GNOME 45\n<li> Go 1.22.1\n<li> JDK 8u402, 11.0.22, 17.0.10, 21.0.2\n<li> Krita 5.2.2\n<li> LLVM\/Clang 13.0.0, 16.0.6, 17.0.6\n<li> LibreOffice 24.2.1.2\n<li> Lua 5.1.5, 5.2.4, 5.3.6, 5.4.6\n<li> MariaDB 10.9.8\n<li> Mono 6.12.0.199\n<li> Mutt 2.2.13 e NeoMutt 20240201\n<li> Node.js 18.19.1\n<li> OCaml 4.14.1\n<li> OpenLDAP 2.6.7\n<li> PHP 7.4.33, 8.0.30, 8.1.27, 8.2.16, 8.3.3\n<li> Postfix 3.8.6\n<li> PostgreSQL 16.2\n<li> Python 2.7.18, 3.9.18, 3.10.13, 3.11.8\n<li> Qt 5.15.12 (+ patch di kde), 6.6.1\n<li> R 4.2.3\n<li> Ruby 3.1.4, 3.2.3, 3.3.0\n<li> Rust 1.76.0\n<li> SQLite 3.44.2\n<li> Shotcut 23.07.29\n<li> Sudo 1.9.15.5\n<li> Suricata 7.0.3\n<li> Tcl\/Tk 8.5.19, 8.6.13\n<li> TeX Live 2023\n<li> Thunderbird 115.8.1\n<li> Vim 9.1.139, Neovim 0.9.5\n<li> Xfce 4.18.1     <\/ul>\n<li class=\"l\"> Sono stati aggiornati i componenti di terze parti inclusi in OpenBSD 7.5:\n<ul>\n<li class=\"l\"> Il stack grafico Xenocara basato su X.Org 7.7 con xserver 21.1.11 + patch, freetype 2.13.0, fontconfig 2.14.2, Mesa 23.1.9, xterm 378, xkeyboard-config 2.20, fonttosfnt 1.2.3.  <\/li>\n<li class=\"l\">    LLVM\/Clang 16.0.6 (+ patch)  <\/li>\n<li class=\"l\">    GCC 4.2.1 (+ patch) e 3.3.6 (+ patch)  <\/li>\n<li class=\"l\">    Perl 5.36.3 (+ patch)  <\/li>\n<li class=\"l\">    NSD 4.8.0  <\/li>\n<li class=\"l\">    Unbound 1.18  <\/li>\n<li class=\"l\">    Ncurses 5.7  <\/li>\n<li class=\"l\">    Binutils 2.17 (+ patch)  <\/li>\n<li class=\"l\">  Gdb 6.3 (+ patch)  <\/li>\n<li class=\"l\">  Awk 22.01.2024  <\/li>\n<li class=\"l\">  Expat 2.6.0.\n<li class=\"l\"> zlib 1.3.1 (+ patch).  <\/ul>\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60930\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 UNIX-\u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b OpenBSD 7.5. \u041f\u0440\u043e\u0435\u043a\u0442 OpenBSD \u0431\u044b\u043b \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u0422\u044d\u043e \u0434\u0435 \u0420\u0430\u0430\u0434\u0442\u043e\u043c (Theo de Raadt) \u0432 1995 \u0433\u043e\u0434\u0443 \u043f\u043e\u0441\u043b\u0435 \u043a\u043e\u043d\u0444\u043b\u0438\u043a\u0442\u0430 \u0441 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 NetBSD, \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0434\u043b\u044f \u0422\u044d\u043e \u0431\u044b\u043b \u0437\u0430\u043a\u0440\u044b\u0442 \u0434\u043e\u0441\u0442\u0443\u043f \u043a CVS \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044e NetBSD. \u041f\u043e\u0441\u043b\u0435 \u044d\u0442\u043e\u0433\u043e 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