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Truth of Kaminsky Bug
実験目的 Kaminsky ãŒç¤ºã—ãŸæ¯’入れ手法㯠DNSプãƒãƒˆã‚³ãƒ«ã®æ¬ 陥ã«ã‚ˆã‚‹ã‚‚ã®ã§ã‚ã‚Šã€éžå¸¸ã«å±é™ºãªã‚‚ã®ã§ã‚ã‚‹ã¨ã„ã†è«–ã‚’æ ¹æ‹ ã« DNSSEC ãŒæŽ¨é€²ã•ã‚Œã¦ã„る。ã—ã‹ã—ã€BlackHat USA 2008 ã«ãŠã‘ã‚‹ Kaminsky ã®è¬›æ¼”ã®ã‚¹ãƒ©ã‚¤ãƒ‰ã«ç¤ºã•ã‚Œã¦ã„る方法ã«ã¯ã„ã‚ã„ã‚ãªç‚¹ã§ç–‘義ãŒã‚ã‚‹(Finchãªã©)。qmail.jp ã®å‰é‡Žæ°ã‹ã‚‰ã‚ã‚Œã§æ¯’ãŒå…¥ã‚‹ã¨æ€ã†ã‹ã¨ã®æŒ‡æ‘˜ã‚’å—ã‘ãŸã“ã¨ã‚‚ã‚ã‚Šã€æ•£ã€…考ãˆãŸãŒã€ç§ã«ã¯ Kaminsky ã®ã‚¹ãƒ©ã‚¤ãƒ‰ã©ãŠã‚Šã«æ¯’ãŒå…¥ã‚‹ã“ã¨ãŒã©ã†ã—ã¦ã‚‚ç´å¾—ã„ã‹ãªã‹ã£ãŸã€‚ãã—ã¦ã€KaminskyãŒé–“é•ã£ã¦ã„ã‚‹(ã‚ã‚‹ã„ã¯å˜˜ã‚’ã¤ã„ã¦ã„ã‚‹)ã€ã‚ã‚‹ã„ã¯ã€BIND ã«ã¯æ¯’ãŒå…¥ã‚‹ãƒã‚°ãŒã‚ã£ã¦ Kaminsky ã®æ”»æ’ƒæ‰‹æ³•ãŒæˆåŠŸã™ã‚‹ã¨ã„ã†ã®ã§ã¯ãªã„ã‹ã¨ã„ã†ä»®èª¬ãŒå¼•ã出ã›ã‚‹ã€‚ã“ã‚Œã¯å‰é‡Žæ°ãŒå½“åˆã‹ã‚‰æ´žå¯Ÿã—ã¦ã„ãŸã“ã¨ã§ã‚ã£ãŸã€‚ã“ã®ä»®èª¬ã«åŸºã¥ãã¨ã€Kaminsky ã®ç™ºè¡¨ã‹ã‚‰3年経ã£ãŸä»Šã€ã
Geekãªãºãƒ¼ã˜ : 一般化ã™ã‚‹DNSブãƒãƒƒã‚ング機能
2ヶ月å‰ã®è¨˜äº‹ã§ã™ãŒã€ISC BINDã«ãƒ–ãƒãƒƒã‚ング機能ãŒæ¨™æº–æ載ã•ã‚Œã‚‹ã¨ã„ã†ç™ºè¡¨ãŒã‚ã‚Šã¾ã—ãŸã€‚ BIND(Berkeley Internet Name Domain)ã¯ã€ã‚ªãƒ¼ãƒ—ンソースã®ãƒ•ãƒªãƒ¼ã‚½ãƒ•ãƒˆã§ã€ä¸–ç•Œã§æœ€ã‚‚利用ã•ã‚Œã¦ã„ã‚‹DNSサーãƒã§ã™ã€‚ ã“ã®BINDã«ãƒ–ãƒãƒƒã‚ング機能ãŒæ載ã•ã‚Œã‚‹äºˆå®šã§ã‚ã‚‹ã¨ç™ºè¡¨ã•ã‚Œã‚‹ã“ã¨ã«ã¯ã€éžå¸¸ã«å¤§ããªæ„味ãŒã‚ã‚Šã¾ã™ã€‚ ã‚ã‚‹æ„味ã€DNSブãƒãƒƒã‚ングãŒã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®æ¨™æº–機能ã¸ã¨è¿‘ã¥ã„ã¦ã„ã‚‹ã“ã¨ã‚’示唆ã—ã¦ã„ã‚‹ã®ã‹ã‚‚知れã¾ã›ã‚“。 ãã®ç™ºè¡¨ã¯BIND作者ã§ã‚ã‚‹Paul Vixieæ°ã«ã‚ˆã£ã¦è¡Œã‚ã‚Œã¾ã—ãŸãŒã€æœ€åˆã®ä¸€æ–‡ãŒã€Œæ–°ã—ã„ドメインåã®å¤§åŠã¯æ‚ªæ„ã®ã‚ã‚‹ã‚‚ã®ã ã€ã¨ã„ã†ã‚‚ã®ã§ã—ãŸã€‚ 犯罪目的ã§å–å¾—ã•ã‚ŒãŸãƒ‰ãƒ¡ã‚¤ãƒ³åãŒã‚ã¾ã‚Šã«å¤šã„ã“ã¨ã‚’嘆ãã¤ã¤ã€ISC BINDã«DNSブãƒãƒƒã‚ング機能を実装ã—ãŸã“ã¨ã‚’å ±å‘Šã—ã¦ã„ã¾ã™ã€‚ 「Taking Back the DNS | Inter
Manpage of DIG
Section: User Commands (1) Index JM Home Page roff page BSD mandoc BSD 4 å称 dig - ドメインåå•ã„åˆã‚ã›ãƒ‘ケットをãƒãƒ¼ãƒ サーãƒã«é€ã‚‹ æ›¸å¼ dig [@ server ] domain [Aq query-type ] [Aq query-class ] [+ Aq query-option ] [-Aq dig-option ] [%comment ] 解説 dig (ãƒ‰ãƒ¡ã‚¤ãƒ³æƒ…å ±æ‰‹æŽ¢ã‚Šå™¨; domain information groper) ã¯ã€ DNS (Domain Name System) サーãƒã‹ã‚‰æƒ…å ±ã‚’é›†ã‚ã‚‹ãŸã‚ã«ä½¿ã‚れる 柔軟ãªã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ールã§ã™ã€‚ dig 㯠2 ã¤ã®ãƒ¢ãƒ¼ãƒ‰ã‚’æŒã£ã¦ã„ã¾ã™ã€‚ ã“ã‚Œã¯ã€1 ã¤ã®å•ã„åˆã‚ã›ã‚’è¡Œã†å˜ç´”ãªå¯¾è©±çš„利用モードã¨ã€ ã„ãã¤ã‹ã®å•ã„åˆã‚ã›è¡Œã®ãƒªã‚¹ãƒˆä¸ã®
Taking Back the DNS
Most new domain names are malicious. I am stunned by the simplicity and truth of that observation. Every day lots of new names are added to the global DNS, and most of them belong to scammers, spammers, e-criminals, and speculators. The DNS industry has a lot of highly capable and competitive registrars and registries who have made it possible to reserve or create a new name in just seconds, and t
BIND 9
BIND 9 Versatile, classic, complete name server software BIND 9 has evolved to be a very flexible, full-featured DNS system. Whatever your application is, BIND 9 probably has the required features. As the first, oldest, and most commonly deployed solution, there are more network engineers who are already familiar with BIND 9 than with any other system. BIND 9 is transparent open source, licensed u
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