{"id":35676,"date":"2019-10-31T22:05:42","date_gmt":"2019-10-31T19:05:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-paketnogo-filtra-nftables-0-9-1\/"},"modified":"2019-10-31T22:05:42","modified_gmt":"2019-10-31T19:05:42","slug":"vypusk-paketnogo-filtra-nftables-0-9-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-paketnogo-filtra-nftables-0-9-1","title":{"rendered":"Vyd\u00e1n\u00ed bal\u00ed\u010dkov\u00e9ho filtru nftables 0.9.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po roce v\u00fdvoje <noindex><a rel=\"nofollow\" href=\"https:\/\/marc.info\/?l=netfilter&#038;m=156139496810281\">byl p\u0159edstaven<\/a><\/noindex> vyd\u00e1n\u00ed bal\u00edkov\u00e9ho filtru <noindex><a rel=\"nofollow\" href=\"https:\/\/netfilter.org\/projects\/nftables\/\">nftables 0.9.1<\/a><\/noindex>, kter\u00fd se vyv\u00edj\u00ed jako n\u00e1hrada za iptables, ip6tables, arptables a ebtables d\u00edky unifikaci rozhran\u00ed filtrac\u00ed paket\u016f pro IPv4, IPv6, ARP a s\u00ed\u0165ov\u00e9 mosty. Bal\u00edk nftables zahrnuje komponenty bal\u00edkov\u00e9ho filtru pracuj\u00edc\u00ed v u\u017eivatelsk\u00e9m prostoru, zat\u00edmco na \u00farovni j\u00e1dra zaji\u0161\u0165uje funkci subsyst\u00e9m nf_tables, za\u010dlen\u011bn\u00fd do j\u00e1dra Linuxu po\u010d\u00ednaje verz\u00ed 3.13. <\/p>\n<p>Na \u00farovni j\u00e1dra je poskytov\u00e1no pouze obecn\u00e9 rozhran\u00ed, kter\u00e9 nez\u00e1vis\u00ed na konkr\u00e9tn\u00edm protokolu a poskytuje z\u00e1kladn\u00ed funkce pro extrakci dat z paket\u016f, prov\u00e1d\u011bn\u00ed operac\u00ed s daty a \u0159\u00edzen\u00ed toku.<br \/>\nP\u0159\u00edmo logika filtrov\u00e1n\u00ed a specifick\u00e9 zpracovatele protokol\u016f se kompiluj\u00ed do bajtk\u00f3du v u\u017eivatelsk\u00e9m prostoru, kter\u00fd se pot\u00e9 na\u010d\u00edt\u00e1 do j\u00e1dra prost\u0159ednictv\u00edm rozhran\u00ed Netlink a vykon\u00e1v\u00e1 se ve speci\u00e1ln\u00edm virtu\u00e1ln\u00edm stroji podobn\u00e9m BPF (Berkeley Packet Filters). Takov\u00fd p\u0159\u00edstup umo\u017e\u0148uje v\u00fdrazn\u011b zmen\u0161it velikost k\u00f3du filtrov\u00e1n\u00ed, kter\u00fd pracuje na \u00farovni j\u00e1dra, a p\u0159esunout v\u0161echny funkce anal\u00fdzy pravidel a logiky pr\u00e1ce s protokoly do u\u017eivatelsk\u00e9ho prostoru.<\/p>\n<p>Hlavn\u00ed novinky:<\/p>\n<ul>\n<li class=\"l\"> Podpora IPsec, kter\u00e1 umo\u017e\u0148uje mapov\u00e1n\u00ed adres tunel\u016f v z\u00e1vislosti na paketu, identifik\u00e1toru \u017e\u00e1dosti IPsec a zna\u010dce SPI (Security Parameter Index). Nap\u0159\u00edklad,\n<p>      ... ipsec v ip saddr 192.168.1.0\/24<br \/>\n      ... ipsec v spi 1-65536<\/p>\n<p>Je tak\u00e9 mo\u017en\u00e9 zkontrolovat pr\u016fchodnost trasy skrze tunel IPsec. Nap\u0159\u00edklad, pro blokov\u00e1n\u00ed provozu neproch\u00e1zej\u00edc\u00edho p\u0159es IPSec: <\/p>\n<p>      ... filtro v\u00fdstupu rt ipsec chyb\u00ed drop<\/p>\n<li class=\"l\"> Podpora protokolu IGMP (Internet Group Management Protocol). Nap\u0159\u00edklad, pro odm\u00edtnut\u00ed p\u0159\u00edchoz\u00edch IGMP dotaz\u016f na p\u0159\u00edslu\u0161nost k skupin\u011b lze pou\u017e\u00edt pravidlo\n<p>      nft add rule netdev foo bar igmp type membership-query counter drop<\/p>\n<li class=\"l\"> Mo\u017enost vyu\u017eit\u00ed prom\u011bnn\u00fdch pro ur\u010den\u00ed \u0159et\u011bzc\u016f p\u0159echodu (jump \/ goto). Nap\u0159\u00edklad:\n<p>      define dest = ber<br \/>\n      add rule ip foo bar jump $dest<\/p>\n<li class=\"l\"> Podpora masek pro identifikaci opera\u010dn\u00edch syst\u00e9m\u016f (OS Fingerprint) na z\u00e1klad\u011b hodnot TTL v hlavi\u010dce. Nap\u0159\u00edklad, pro ozna\u010den\u00ed paket\u016f v z\u00e1vislosti na opera\u010dn\u00edm syst\u00e9mu odes\u00edlatele lze pou\u017e\u00edt p\u0159\u00edkaz:\n<p>    ... meta zna\u010dka nastavit osf ttl p\u0159esko\u010dit jm\u00e9no map { \u201eLinux\u201c : 0x1,<br \/>\n                                              \u201eWindows\u201c : 0x2,<br \/>\n                                              \u201eMacOS\u201c : 0x3,<br \/>\n                                              \u201enezn\u00e1m\u00fd\u201c : 0x0 }<br \/>\n    ... osf ttl p\u0159esko\u010dit verze \u201eLinux:4.20\u201c<\/p>\n<li class=\"l\"> Mo\u017enost porovn\u00e1n\u00ed ARP adresy odes\u00edlatele a IPv4 adresy c\u00edlov\u00e9ho syst\u00e9mu. Nap\u0159\u00edklad, pro zv\u00fd\u0161en\u00ed po\u010d\u00edta\u010de ARP paket\u016f odeslan\u00fdch z adresy 192.168.2.1 lze pou\u017e\u00edt pravidlo:\n<p>        table arp x {<br \/>\n                chain y {<br \/>\n                        typ filtru hook vstup priorita filtru; politika akceptovat;<br \/>\n                        arp saddr ip 192.168.2.1 counter pakety 1 bajty 46<br \/>\n                }<br \/>\n        }<\/p>\n<li class=\"l\"> Podpora pr\u016fhledn\u00e9ho p\u0159esm\u011brov\u00e1n\u00ed dotaz\u016f p\u0159es proxy (tproxy). Nap\u0159\u00edklad pro p\u0159esm\u011brov\u00e1n\u00ed po\u017eadavk\u016f na port 80 na port proxy 8080:\n<p>        tabulka ip x {<br \/>\n                chain y {<br \/>\n                        typ filtru hook prerouting priorita -150; politika akceptovat;<br \/>\n                        tcp dport 80 tproxy na :8080<br \/>\n                }<br \/>\n        }<\/p>\n<li class=\"l\"> Podpora zna\u010den\u00ed socket\u016f s mo\u017enost\u00ed dal\u0161\u00edho z\u00edsk\u00e1n\u00ed nastaven\u00e9 zna\u010dky pomoc\u00ed setsockopt() v m\u00f3du SO_MARK. Nap\u0159\u00edklad:\n<p>        tabulka inet x {<br \/>\n                chain y {<br \/>\n                        typ filtru hook prerouting priorita -150; politika akceptovat;<br \/>\n                        tcp dport 8080 zna\u010dka nastavit socket zna\u010dka<br \/>\n                }<br \/>\n        }<\/p>\n<li class=\"l\"> Podpora uveden\u00ed textov\u00fdch n\u00e1zv\u016f priorit pro \u0159et\u011bzce. Nap\u0159\u00edklad:\n<p>        nft p\u0159idat \u0159et\u011bzec ip x raw { typ filtru hook prerouting priorita raw; }<br \/>\n        nft p\u0159idat \u0159et\u011bzec ip x filter { typ filtru hook prerouting priorita filter; }<br \/>\n        nft p\u0159idat \u0159et\u011bzec ip x filter_later { typ filtru hook prerouting priorita filter + 10; }<\/p>\n<li class=\"l\"> Podpora \u0161t\u00edtk\u016f SELinux (Secmark). Nap\u0159\u00edklad pro ur\u010den\u00ed \u0161t\u00edtku \u201esshtag\u201c ve vazb\u011b na kontext SELinux m\u016f\u017eete spustit:\n<p>         nft p\u0159idat secmark inet filtr sshtag \u201esystem_u:object_r:ssh_server_packet_t:s0\u201c<\/p>\n<p>A pot\u00e9 pou\u017e\u00edt tuto zna\u010dku v pravidlech:<\/p>\n<p>        nft p\u0159idat pravidlo inet filtr vstup tcp dport 22 meta secmark nastavit \u201esshtag\u201c<\/p>\n<p>        nft p\u0159idat mapu inet filter secmapping { typ inet_service : secmark; }<br \/>\n        nft p\u0159idat prvek inet filtr secmapping { 22 : \u201esshtag\u201c }<br \/>\n        nft p\u0159idat pravidlo inet filter input meta secmark nastavit tcp dport mapa @secmapping<\/p>\n<li class=\"l\"> Mo\u017enost uveden\u00ed port\u016f p\u0159i\u0159azen\u00fdch protokol\u016fm v textov\u00e9m form\u00e1tu, jak jsou definov\u00e1ny v souboru \/etc\/services. Nap\u0159\u00edklad:\n<p>        nft p\u0159idat pravidlo x y tcp dport \u201essh\u201c<br \/>\n        nft vypsat pravidlovou sadu -l<br \/>\n        tabulka x {<br \/>\n                chain y {<br \/>\n                        &#8230;<br \/>\n                        tcp dport \u201essh\u201c<br \/>\n                }<br \/>\n        }<\/p>\n<li class=\"l\"> Mo\u017enost kontroly typu s\u00ed\u0165ov\u00e9ho rozhran\u00ed. Nap\u0159\u00edklad:\n<p>        p\u0159idat pravidlo inet raw prerouting meta iifkind \u201evrf\u201c akceptovat<\/p>\n<li class=\"l\"> Vylep\u0161en\u00e1 podpora dynamick\u00e9 aktualizace obsahu sad (sets) prost\u0159ednictv\u00edm explicitn\u00edho zad\u00e1n\u00ed p\u0159\u00edznaku \u201edynamic\u201c. Nap\u0159\u00edklad pro aktualizaci sady \u201es\u201c p\u0159id\u00e1n\u00edm zdrojov\u00e9 adresy a resetov\u00e1n\u00edm z\u00e1znamu v p\u0159\u00edpad\u011b absence paket\u016f po dobu 30 sekund:\n<p>        p\u0159idat tabulku x<br \/>\n        p\u0159idat sadu x s { typ ipv4_addr; velikost 128; timeout 30s; vlajky dynamick\u00e9; }<br \/>\n        p\u0159idat \u0159et\u011bzec x y { typ filtru hook input priorita 0; }<br \/>\n        p\u0159idat pravidlo x y aktualizovat @s { ip saddr }<\/p>\n<li class=\"l\"> Mo\u017enost stanovit jednotlivou podm\u00ednku n\u00e1stupu \u010dasov\u00e9ho limitu. Nap\u0159\u00edklad pro p\u0159eps\u00e1n\u00ed v\u00fdchoz\u00edho \u010dasov\u00e9ho limitu pro pakety p\u0159ich\u00e1zej\u00edc\u00ed na port 8888 m\u016f\u017eete uv\u00e9st:\n<p>        tabulka ip filter {<br \/>\n                ct timeout agresivn\u00ed-tcp {<br \/>\n                        protokol tcp;<br \/>\n                        l3proto ip;<br \/>\n                        politika = {established: 100, close_wait: 4, close: 4}<br \/>\n                }<br \/>\n                \u0159et\u011bzec output {<br \/>\n                        &#8230;<br \/>\n                        tcp dport 8888 ct timeout nastavit \u201eagressive-tcp\u201c<br \/>\n                }<br \/>\n        }<\/p>\n<li class=\"l\"> Podpora NAT pro rodinu inet:\n<p>        tabulka inet nat {<br \/>\n                &#8230;<br \/>\n                ip6 daddr dead::2::1 dnat na dead:2::99<br \/>\n        }<\/p>\n<li class=\"l\"> Vylep\u0161en\u00e9 prost\u0159edky v\u00fdstupu informac\u00ed o chyb\u00e1ch z d\u016fvodu p\u0159eklep\u016f:\n<p>        nft p\u0159idat \u0159et\u011bzec filtre test<\/p>\n<p>        Chyba: \u017d\u00e1dn\u00fd takov\u00fd soubor nebo adres\u00e1\u0159; mysleli jste tabulku \u201efilter\u201c v rodin\u011b ip?<br \/>\n        p\u0159idat \u0159et\u011bzec filtre test<br \/>\n                  ^^^^^^<\/p>\n<li class=\"l\"> Mo\u017enost uveden\u00ed n\u00e1zv\u016f rozhran\u00ed v sad\u00e1ch (sets):\n<p>        sada sc {<br \/>\n               typ inet_service . ifname<br \/>\n               elements = { \u201essh\u201c . \u201eeth0\u201c }<br \/>\n        }<\/p>\n<li class=\"l\"> Aktualizov\u00e1n syntaktick\u00fd tvar pravidel flowtable:\n<p>        nft p\u0159idat tabulku x<br \/>\n        nft p\u0159idat flowtable x ft { hook ingress priorita 0; za\u0159\u00edzen\u00ed = { eth0, wlan0 }; }<br \/>\n        &#8230;<br \/>\n        nft add rule x forward ip protocol { tcp, udp } flow add @ft<\/p>\n<li class=\"l\"> Zlep\u0161en\u00e1 podpora JSON.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50952\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 nftables 0.9.1, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e\u0441\u044f \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0437\u0430\u043c\u0435\u043d\u044b iptables, ip6table, arptables \u0438 ebtables \u0437\u0430 \u0441\u0447\u0451\u0442 \u0443\u043d\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0434\u043b\u044f IPv4, IPv6, ARP \u0438 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043c\u043e\u0441\u0442\u043e\u0432. \u0412 \u043f\u0430\u043a\u0435\u0442 nftables \u0432\u0445\u043e\u0434\u044f\u0442 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0435 \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, \u0432 \u0442\u043e \u0432\u0440\u0435\u043c\u044f \u043a\u0430\u043a \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u044f\u0434\u0440\u0430 \u0440\u0430\u0431\u043e\u0442\u0443 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430 nf_tables, \u0432\u0445\u043e\u0434\u044f\u0449\u0430\u044f \u0432 [&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-35676","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 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-paketnogo-filtra-nftables-0-9-1\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 nftables 0.9.1 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-paketnogo-filtra-nftables-0-9-1\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:05:42+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:05:42+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Vyd\u00e1n\u00ed paketov\u00e9ho filtru nftables 0.9.1 | ProHoster","description":"Po roce v\u00fdvoje byl uveden na trh vyd\u00e1n\u00ed paketov\u00e9ho filtru","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-paketnogo-filtra-nftables-0-9-1","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 nftables 0.9.1 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-paketnogo-filtra-nftables-0-9-1","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":"2019-10-31T19:05:42+00:00","article:modified_time":"2019-10-31T19:05:42+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"35676","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":"2026-01-22 00:20:20","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:58:28","updated":"2026-01-22 00:20:20","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/35676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=35676"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/35676\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=35676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=35676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=35676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}