{"id":105254,"date":"2022-10-05T15:36:53","date_gmt":"2022-10-05T13:36:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux"},"modified":"2022-10-05T15:36:53","modified_gmt":"2022-10-05T13:36:53","slug":"vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux","title":{"rendered":"In FreeBSD \u00e8 stata aggiunta la supporto per il protocollo Netlink, utilizzato nel kernel Linux.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nella base di codice di FreeBSD \u00e8 stata accettata l'implementazione del protocollo di comunicazione Netlink (RFC 3549), utilizzato in Linux per gestire l'interazione tra il kernel e i processi nello spazio utente. Il progetto si limita a supportare la famiglia di operazioni NETLINK_ROUTE per gestire lo stato del sottosistema di rete nel kernel.    <\/p>\n<p>Attualmente, il livello di supporto di Netlink consente di utilizzare in FreeBSD l'utilit\u00e0 Linux ip dal pacchetto iproute2 per gestire le interfacce di rete, impostare indirizzi IP, configurare il routing e manipolare gli oggetti nexthop, che contengono dati sullo stato utilizzato per inviare pacchetti al punto di destinazione desiderato. Dopo una leggera modifica dei file di intestazione, \u00e8 possibile utilizzare Netlink nel pacchetto di routing Bird.    <\/p>\n<p>L'implementazione di Netlink per FreeBSD \u00e8 strutturata come un modulo del kernel caricabile, cercando di non interferire con altri sottosistemi del kernel e creando code di attivit\u00e0 separate (tasqueue) per elaborare i messaggi in arrivo tramite il protocollo e per eseguire operazioni in modo asincrono. Il motivo del porting di Netlink \u00e8 l'assenza di un meccanismo standard per l'interazione con i sottosistemi del kernel, il che provoca l'invenzione di protocolli propri da parte di diversi sottosistemi e driver.     <\/p>\n<p>Netlink offre uno strato di comunicazione unificato e un formato di messaggi estensibile, che pu\u00f2 fungere da intermediario, aggregando automaticamente in un'unica richiesta dati disomogenei provenienti da fonti diverse. Ad esempio, sottosistemi di FreeBSD come devd, jail e pfilctl, che attualmente utilizzano chiamate ioctl proprie, possono essere migrati a Netlink, semplificando notevolmente la creazione di applicazioni per lavorare con questi sottosistemi. Inoltre, l'uso di Netlink per modificare gli oggetti e i gruppi di nexthop nello stack di routing consentir\u00e0 un'interazione pi\u00f9 efficiente con i processi di routing nello spazio utente.          <\/p>\n<p>Funzionalit\u00e0 attualmente implementate:  <\/p>\n<ul>\n<li class=\"l\"> Ottimizzare informazioni su rotte, oggetti e gruppi di nexthop, interfacce di rete, indirizzi e host vicini (arp\/ndp).\n<li class=\"l\"> Generare notifiche sull'emergere e la disconnessione delle interfacce di rete, sull'impostazione e la rimozione di indirizzi, sull'aggiunta e la rimozione di rotte.\n<li class=\"l\"> Aggiunta e rimozione di percorsi, oggetti e gruppi nexthops, gateway, interfacce di rete.\n<li class=\"l\"> Integrazione con l'interfaccia Rtsock per gestire la tabella di routing.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57873\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Netlink (RFC 3549), \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0432 Linux \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u044f\u0434\u0440\u0430 \u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u043c\u0438 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041f\u0440\u043e\u0435\u043a\u0442 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 NETLINK_ROUTE \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0432 \u044f\u0434\u0440\u0435. \u0412 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u0432\u0438\u0434\u0435 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 Netlink \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043e FreeBSD Linux-\u0443\u0442\u0438\u043b\u0438\u0442\u0443 ip \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u0430 iproute2 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u043c\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430\u043c\u0438, [&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-105254","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=\"\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f 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protocollo Netlink, utilizzato nel kernel Linux | ProHoster","description":"Nel codice sorgente di FreeBSD \u00e8 stata accettata l'implementazione del protocollo di comunicazione Netlink (RFC 3549), utilizzato in Linux per organizzare l'interazione tra il kernel e i processi nello spazio utente.","canonical_url":"https:\/\/prohoster.info\/it\/blog\/news\/vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u043e FreeBSD 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