{"id":92493,"date":"2020-08-27T19:42:43","date_gmt":"2020-08-27T17:42:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-ubuntu-20-10-planiruyut-perejti-s-iptables-na-nftables"},"modified":"2020-08-27T19:42:43","modified_gmt":"2020-08-27T17:42:43","slug":"v-ubuntu-20-10-planiruyut-perejti-s-iptables-na-nftables","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/v-ubuntu-20-10-planiruyut-perejti-s-iptables-na-nftables","title":{"rendered":"Az Ubuntu 20.10 tervezete az iptables-r\u0151l \u00e1tt\u00e9rni az nftables-ra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ezt k\u00f6vet\u0151en Fedora<\/a><\/noindex> \u00e9s Debian<\/a><\/noindex> az Ubuntu fejleszt\u0151i fontol\u00f3ra veszik<\/a><\/noindex> az alap\u00e9rtelmezett csomagsz\u0171r\u0151re val\u00f3 \u00e1tt\u00e9r\u00e9st nftables<\/a><\/noindex>.
\nA visszamen\u0151leges kompatibilit\u00e1s meg\u0151rz\u00e9se \u00e9rdek\u00e9ben javasolt a iptables-nft<\/a><\/noindex>, amely az iptables parancssori szintaxis\u00e1val megegyez\u0151 eszk\u00f6z\u00f6ket biztos\u00edt, de az \u00edgy kapott szab\u00e1lyokat a nf_tables b\u00e1jt k\u00f3dj\u00e1ra ford\u00edtja. A v\u00e1ltoztat\u00e1st az Ubuntu 20.10 \u0151szi kiad\u00e1s\u00e1ba tervezik beilleszteni.<\/p>\n

Ez a m\u00e1sodik pr\u00f3b\u00e1lkoz\u00e1s az Ubuntu nftables-ra val\u00f3 \u00e1tt\u00e9r\u00e9s\u00e9re. Az els\u0151 pr\u00f3b\u00e1lkoz\u00e1st tavaly tett\u00e9k, de az eszk\u00f6zk\u00e9szlettel val\u00f3 inkompatibilit\u00e1s miatt elvetett\u00e9k. LXD<\/a><\/noindex>Most m\u00e1r az LXD-ben jelent\u0151s<\/a><\/noindex> be\u00e9p\u00edtett nftables t\u00e1mogat\u00e1s van, \u00e9s k\u00e9pes az \u00faj csomagsz\u0171r\u0151 h\u00e1tt\u00e9rrel m\u0171k\u00f6dni. Azok sz\u00e1m\u00e1ra, akiknek nem elegend\u0151 a kompatibilit\u00e1si r\u00e9teg, zostalo<\/a><\/noindex> lehet\u0151s\u00e9g van a klasszikus iptables, ip6tables, arptables \u00e9s ebtables r\u00e9gi h\u00e1tt\u00e9rrel val\u00f3 telep\u00edt\u00e9s\u00e9re.<\/p>\n

Eml\u00e9keztet\u0151\u00fcl, a csomagsz\u0171r\u0151ben nftables<\/a><\/noindex> egyes\u00edtve vannak a csomagsz\u0171r\u00e9si interf\u00e9szek IPv4, IPv6, ARP \u00e9s h\u00e1l\u00f3zati hidak sz\u00e1m\u00e1ra. Az nftables csomagba beletartoznak a felhaszn\u00e1l\u00f3i t\u00e9rben m\u0171k\u00f6d\u0151 csomagsz\u0171r\u0151 komponensek, m\u00edg a kernel szintj\u00e9n a nf_tables alrendszer, amely a Linux 3.13 verzi\u00f3j\u00e1t\u00f3l kezdve r\u00e9sze a kernelnek, v\u00e9gez el minden elj\u00e1r\u00e1st. A kernel szintj\u00e9n egy \u00e1ltal\u00e1nos interf\u00e9sz \u00e1ll rendelkez\u00e9sre, amely f\u00fcggetlen a konkr\u00e9t protokollt\u00f3l, \u00e9s alapvet\u0151 adatkinyer\u00e9si, adatkezel\u00e9si \u00e9s adat\u00e1raml\u00e1s-ir\u00e1ny\u00edt\u00e1si funkci\u00f3kat biztos\u00edt. <\/p>\n

Maguk a sz\u0171r\u00e9si szab\u00e1lyok \u00e9s a protokollokhoz specifikusan illeszked\u0151 feldolgoz\u00f3k a felhaszn\u00e1l\u00f3i t\u00e9rben fordulnak b\u00e1jt k\u00f3dra, majd ezt a b\u00e1jt k\u00f3dot a Netlink interf\u00e9sz seg\u00edts\u00e9g\u00e9vel bet\u00f6ltik a kernelbe, ahol egy speci\u00e1lis virtu\u00e1lis g\u00e9pen hajtj\u00e1k v\u00e9gre, amely hasonl\u00edt a BPF-re (Berkeley Packet Filters). Ez a megk\u00f6zel\u00edt\u00e9s jelent\u0151sen cs\u00f6kkenti a kernel szintj\u00e9n m\u0171k\u00f6d\u0151 sz\u0171r\u00e9si k\u00f3d m\u00e9ret\u00e9t, \u00e9s a szab\u00e1lyok \u00e9s a protokollokkal val\u00f3 munka logik\u00e1j\u00e1nak \u00f6sszes funkci\u00f3j\u00e1t a felhaszn\u00e1l\u00f3i t\u00e9rbe helyezi.<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0421\u043b\u0435\u0434\u043e\u043c \u0437\u0430 Fedora \u0438 Debian \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Ubuntu \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0430 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 nftables. \u0414\u043b\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0430\u043a\u0435\u0442 iptables-nft, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0441 \u0442\u0435\u043c \u0436\u0435 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u043e\u043c \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u043a\u0430\u043a \u0438 \u0432 iptables, \u043d\u043e \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0432 \u0431\u0430\u0439\u0442\u043a\u043e\u0434 nf_tables. \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043e\u0441\u0435\u043d\u043d\u0435\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 Ubuntu 20.10. \u042d\u0442\u043e \u0432\u0442\u043e\u0440\u0430\u044f […]<\/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-92493","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Az Ubuntu 20.10-ben tervezik az iptables nftables-ra val\u00f3 \u00e1tt\u00e9r\u00e9s\u00e9t | ProHoster","description":"A Fedora ut\u00e1n","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/v-ubuntu-20-10-planiruyut-perejti-s-iptables-na-nftables","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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 Ubuntu 20.10 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e\u0442 \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u0441 iptables \u043d\u0430 nftables | ProHoster","og:description":"\u0421\u043b\u0435\u0434\u043e\u043c \u0437\u0430 Fedora \u0438","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/v-ubuntu-20-10-planiruyut-perejti-s-iptables-na-nftables","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-08-27T17:42:43+00:00","article:modified_time":"2020-08-27T17:42:43+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"92493","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 12:07:40","updated":"2022-09-30 05:58:52","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/92493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=92493"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/92493\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=92493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=92493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=92493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}