{"id":113276,"date":"2024-01-31T13:41:06","date_gmt":"2024-01-31T11:41:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/sboj-v-domennoj-zone-ru-iz-za-oshibki-pri-zamene-klyuchej-dnssec"},"modified":"2024-01-31T13:41:06","modified_gmt":"2024-01-31T11:41:10","slug":"sboj-v-domennoj-zone-ru-iz-za-oshibki-pri-zamene-klyuchej-dnssec","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/sboj-v-domennoj-zone-ru-iz-za-oshibki-pri-zamene-klyuchej-dnssec","title":{"rendered":"Hiba a RU domain z\u00f3n\u00e1ban a DNSSEC kulcsok cser\u00e9je miatt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Janu\u00e1r 30-\u00e1n 18:20-kor (MSK) a felhaszn\u00e1l\u00f3k t\u00f6meges hiba miatt tal\u00e1lkoztak a RU domainz\u00f3n\u00e1ban tal\u00e1lhat\u00f3 hostok azonos\u00edt\u00e1s\u00e1nak probl\u00e9m\u00e1j\u00e1val, amit a RU z\u00f3na hiteles\u00edt\u00e9s\u00e9re haszn\u00e1lt kulcsok megv\u00e1ltoztat\u00e1s\u00e1nak hib\u00e1ja okozott DNSSEC-en kereszt\u00fcl. Az incidens k\u00f6vetkezt\u00e9ben a DNSSEC-et alkalmaz\u00f3 DNS-szervereken, amelyek az adatok hiteles\u00edt\u00e9s\u00e9re szolg\u00e1lnak, minden domain megsz\u00fcntette a .ru z\u00f3n\u00e1ban val\u00f3 azonos\u00edt\u00e1st. A probl\u00e9ma csak azokat a felhaszn\u00e1l\u00f3kat \u00e9rintette, akik a szolg\u00e1ltat\u00f3k DNS-\u00e1tj\u00e1r\u00f3it vagy nyilv\u00e1nos DNS-szolg\u00e1ltat\u00e1sokat, mint p\u00e9ld\u00e1ul a 8.8.8.8, haszn\u00e1lnak, amelyek az \u00e1tj\u00e1r\u00f3kat a DNSSEC seg\u00edts\u00e9g\u00e9vel ellen\u0151rzik. Azok a felhaszn\u00e1l\u00f3k, akikn\u00e9l a DNS-\u00e1tj\u00e1r\u00f3k nem aktiv\u00e1lt\u00e1k a DNSSEC-et, nem szenvedtek k\u00e1rt. <\/p>\n

A t\u00f6rt\u00e9ntek eml\u00e9keztetnek a tavalyi incidentre, amely az InternetNZ regisztr\u00e1tort \u00e9rintette, aki a .NZ domainz\u00f3n\u00e1\u00e9rt felel\u0151s, \u00e9s amely a felold\u00e1s le\u00e1ll\u00e1s\u00e1hoz vezetett. domain nevekkel<\/a> a .nz z\u00f3n\u00e1ban a KSK-kulcsok (Key Signing Key) rot\u00e1ci\u00f3ja sor\u00e1n fell\u00e9pett hiba miatt, amelyek a DNSKEY feljegyz\u00e9sek digit\u00e1lis al\u00e1\u00edr\u00e1s\u00e1\u00e9rt felelnek, tartalmazva a domainz\u00f3n\u00e1hoz tartoz\u00f3 al\u00e1\u00edr\u00e1si kulcsokat (ZSK, Zone Signing Key). Az InternetNZ eset\u00e9ben a hiba a regisztr\u00e1tor \u00faj inform\u00e1ci\u00f3s rendszer\u00e9re val\u00f3 \u00e1t\u00e1ll\u00e1s sor\u00e1n a kulcsok form\u00e1tum\u00e1nak megv\u00e1ltoztat\u00e1s\u00e1val volt \u00f6sszef\u00fcgg\u00e9sben. A RU z\u00f3n\u00e1ban l\u00e9v\u0151 incidens okait m\u00e9g nem r\u00e9szletezt\u00e9k - a RU domainkoordin\u00e1l\u00f3 k\u00f6zpont csak \u00e1ltal\u00e1noss\u00e1gban er\u0151s\u00edtette meg, hogy a probl\u00e9ma a DNSSEC \u00fajrakonfigur\u00e1l\u00e1s\u00e1val f\u00fcgg \u00f6ssze. <\/p>\n

A k\u00fcls\u0151 megnyilv\u00e1nul\u00e1sok alapj\u00e1n a hiba a RU z\u00f3na hiteles\u00edt\u00e9s\u00e9\u00e9rt haszn\u00e1lt kulcs cser\u00e9j\u00e9nek megk\u00eds\u00e9rl\u00e9s\u00e9vel k\u00f6vetkezett be. Ez a kulcs a m\u00e1sodlagos szint\u0171 domainokban haszn\u00e1lt t\u00f6bbi kulcs bizalm\u00e1nak gy\u00f6kere, \u00e9s viszont a . kulcsot haszn\u00e1lja feljebbval\u00f3k\u00e9nt a bizalm\u00e1nak meger\u0151s\u00edt\u00e9s\u00e9re. Janu\u00e1r 26-\u00e1n a RU z\u00f3na DNSEC-be\u00e1ll\u00edt\u00e1saiban a 44301 azonos\u00edt\u00f3j\u00fa f\u0151 kulcs mellett egy tov\u00e1bbi 52263 azonos\u00edt\u00f3j\u00fa kulcs is megjelent.

\"Hiba\"Hiba<\/center> <\/p>\n

Tegnap k\u00f6r\u00fclbel\u00fcl 18:20-kor az \u00faj kulcsot a RU z\u00f3na rekordjainak hiteles\u00edt\u00e9s\u00e9re haszn\u00e1lt\u00e1k, de a kulcsra val\u00f3 \u00e1tt\u00e9r\u00e9s ut\u00e1n hiba miatt a hiteles\u00edt\u00e9si elj\u00e1r\u00e1s nem teljes\u00fclt.

\"Hiba<\/center> <\/p>\n

A r\u00e9gi kulcs al\u00e1\u00edr\u00e1sa k\u00f6r\u00fclbel\u00fcl 21 \u00f3rakor (MSK) ker\u00fclt vissza, az els\u0151 helyes v\u00e1lasz pedig a dnsviz.net szolg\u00e1ltat\u00e1s \u00e1ltal 22:07-kor (MSK) lett r\u00f6gz\u00edtve. A hib\u00e1s be\u00e1ll\u00edt\u00e1sok k\u00f6r\u00fclbel\u00fcl k\u00e9t \u00e9s f\u00e9l \u00f3r\u00e1n \u00e1t voltak jelen, de a DNS-szerverek cache-\u00e9ben l\u00e9v\u0151 hib\u00e1s bejegyz\u00e9sek miatti teljes helyre\u00e1ll\u00edt\u00e1shoz tov\u00e1bbi id\u0151re van sz\u00fcks\u00e9g, ha nem tiszt\u00edtj\u00e1k meg k\u00e9nyszeresen a cache-t a rekurz\u00edv DNS-szervereken. N\u00e9h\u00e1ny szolg\u00e1ltat\u00f3 gyorsabban \u00e9s radik\u00e1lisabban oldotta meg a probl\u00e9m\u00e1t, ideiglenesen kikapcsolva a DNSSEC ellen\u0151rz\u00e9st a felold\u00f3ik be\u00e1ll\u00edt\u00e1saiban.

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

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