{"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\/hr\/blog\/news\/sboj-v-domennoj-zone-ru-iz-za-oshibki-pri-zamene-klyuchej-dnssec","title":{"rendered":"Poreme\u0107aj u domeni RU zbog gre\u0161ke pri zamjeni DNSSEC klju\u010deva","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

30. sije\u010dnja u 18:20 (MSK) korisnici su se susreli s masovnim otkazivanjem identifikacije hostova u domeni zone RU, uzrokovanim gre\u0161kom prilikom promjene klju\u010deva koji se koriste za potvrdu autenti\u010dnosti zone RU putem DNSSEC-a. Kao rezultat incidenta, na DNS-poslu\u017eiteljima koji primjenjuju DNSSEC za provjeru autenti\u010dnosti podataka, prestali su se identificirati svi domeni u zoni '.ru'. Problem je pogodio samo korisnike koji koriste DNS-rezolvere davatelja usluga ili javne DNS-usluge kao \u0161to su 8.8.8.8, koji provjeravaju valjanost upita putem DNSSEC-a. Korisnici DNS-rezolvera kod kojih je DNSSEC onemogu\u0107en nisu pogo\u0111eni. <\/p>\n

Ono \u0161to se dogodilo podsje\u0107a na pro\u0161logodi\u0161nji incident s registratorom InternetNZ, koji je odgovoran za domenu '.NZ', a koji je doveo do kvara u razrje\u0161avanju. domenaskih imena<\/a> u zoni '.nz' zbog gre\u0161ke prilikom rotacije KSK-klju\u010deva (Key Signing Key), koji se koriste za digitalno potpisivanje DNSKEY zapisa, koji sadr\u017ee klju\u010deve za potpisivanje domene (ZSK, Zone Signing Key). U slu\u010daju InternetNZ-a, gre\u0161ka je bila povezana sa promjenom formata klju\u010deva pri prelasku na novi informati\u010dki sustav registratora. Razlozi incidenta u zoni RU jo\u0161 nisu detaljno obja\u0161njeni \u2014 Koordinacijski centar domena RU samo je op\u0107enito potvrdio da je problem povezan s ponovnom konfiguracijom DNSSEC-a. <\/p>\n

Sude\u0107i prema vanjskim manifestacijama, kvar se dogodio kao rezultat poku\u0161aja zamjene klju\u010da koji se koristi za provjeru autenti\u010dnosti zone RU. Ovaj klju\u010d je korijen povjerenja za ostale klju\u010deve koji se koriste u domenama druge razine te, zauzvrat, koristi klju\u010d domene '.' kao nadre\u0111eni za potvrdu svog povjerenja. 26. sije\u010dnja u postavkama DNSEC zone RU, uz glavni klju\u010d s identifikatorom 44301, pojavio se dodatni klju\u010d 52263.

\"Poreme\u0107aj\"Poreme\u0107aj<\/center> <\/p>\n

Ju\u010de, otprilike u 18:20, novi klju\u010d je bio aktiviran za verifikaciju zapisa u zoni RU, ali nakon prelaska na novi klju\u010d, zbog gre\u0161ke, verifikacija autenti\u010dnosti nije mogla pro\u0107i.

\"Poreme\u0107aj<\/center> <\/p>\n

Potpis starim klju\u010dem vra\u0107en je oko 21 sat (MSK), a prvi ispravni odgovor zabilje\u017een je na servisu dnsviz.net u 22:07 (MSK). Gre\u0161ke u postavkama su trajale pribli\u017eno dva i pol sata, ali zbog upisivanja pogre\u0161nih zapisa u predmemoriju DNS poslu\u017eitelja potrebno je dodatno vrijeme za potpuno obnavljanje, osim ako se ne o\u010disti predmemorija na rekurzivnim DNS poslu\u017eiteljima. Neki pru\u017eatelji su problem rije\u0161ili br\u017ee i drasti\u010dnije, privremeno onemogu\u0107iv\u0161i provjeru putem DNSSEC-a u postavkama svojih resolvera.

\"Poreme\u0107aj\"Poreme\u0107aj<\/center>
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

30 \u044f\u043d\u0432\u0430\u0440\u044f \u0432 18:20 (MSK) \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0438\u0441\u044c \u0441 \u043c\u0430\u0441\u0441\u043e\u0432\u044b\u043c \u0441\u0431\u043e\u0435\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0445\u043e\u0441\u0442\u043e\u0432 \u0432 \u0434\u043e\u043c\u0435\u043d\u043d\u043e\u0439 \u0437\u043e\u043d\u0435 RU, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0439 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u043f\u0440\u0438 \u0441\u043c\u0435\u043d\u0435 \u043a\u043b\u044e\u0447\u0435\u0439, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0434\u043b\u044f \u0437\u0430\u0432\u0435\u0440\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u043d\u043e\u0441\u0442\u0438 \u0437\u043e\u043d\u044b RU \u0447\u0435\u0440\u0435\u0437 DNSSEC. \u0412 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