DNS \uc11c\ubc84 \uc5f4 \uc911 \ud558\ub098, \ud30c\ubc0d \uacf5\uaca9\uc5d0\u300c\ubb34\ubc29\ube44\u300d<\/p>\n
Joris Evers (CNET News.com) 08\/08\/2005 <\/p>\n
\ubcf4\uc548 <\/p>\n
\uc218\uc2ed\ub9cc\ub300\uc758 \uc778\ud130\ub137 \uc11c\ubc84\ub4e4\uc774 \uc544\ubb34 \uac83\ub3c4 \ubaa8\ub974\ub294 \uc778\ud130\ub137 \uc0ac\uc6a9\uc790\ub4e4\uc744 \ud569\ubc95\uc801\uc778 \uc6f9\uc0ac\uc774\ud2b8\uc5d0\uc11c \uc545\uc758\uc801\uc778 \uc6f9\uc0ac\uc774\ud2b8\ub85c \ub9ac\ub2e4\uc774\ub809\uc158\ud558\ub294 \uacf5\uaca9\uc5d0 \ub178\ucd9c\ub3fc \uc788\ub294 \uac83\uc73c\ub85c \ubc1d\ud600\uc84c\ub2e4.<\/p>\n
\ubcf4\uc548 \uc5f0\uad6c\uc6d0\uc778 \ub304 \uce74\ubbfc\uc2a4\ud0a4\ub294 \uc778\ud130\ub137\uc5d0\uc11c \uc804\ud654\ubc88\ud638\ubd80 \uc5ed\ud560\uc744 \ud558\ub294 DNS \uc11c\ubc84 250\ub9cc\ub300\ub97c \uac80\uc0ac\ud55c \uacb0\uacfc \uc774\uc911 23\ub9cc\uc5ec \ub300\uc758 DNS \uc11c\ubc84\uac00 DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd(cache poisoning)\uc774\ub77c\uace0 \uc54c\ub824\uc9c4 \uc704\ud611\uc5d0 \uc7a0\uc7ac\uc801\uc778 \ucde8\uc57d\uc810\uc744 \uac16\uace0 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc744 \ubc1c\uacac\ud588\ub2e4.<\/p>\n
1. DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd \uacf5\uaca9 \ubc29\ubc95<\/p>\n
\uacf5\uaca9\ubc1b\uc740 DNS \uc11c\ubc84\ub294 \uc778\ud130\ub137 \uc0ac\uc6a9\uc790\ub4e4\uc744 \uc704\uc870\ub41c \uc6f9\uc0ac\uc774\ud2b8\ub85c \uc720\ub3c4\ud558\uae30 \uc774\uc804\uc5d0 \uba87 \ub2e8\uacc4\ub97c \uac70\uce5c\ub2e4.<\/p>\n
\ub300\ub2e4\uc218 PC\ub4e4\uc774 \ubb38\uc790\ub85c \ub41c \uc778\ud130\ub137 \uc8fc\uc18c\ub97c \uc2e4\uc81c IP \uc8fc\uc18c\ub85c \ubc14\uafb8\uae30 \uc704\ud574 ISP\ub098 \ud68c\uc0ac \ub0b4\ubd80\uc5d0\uc11c \ub3cc\uc544\uac00\ub294 DNS \uc11c\ubc84\ub97c \uc774\uc6a9\ud55c\ub2e4. \ub9ce\uc740 \uc778\ud130\ub137 \uc0ac\uc6a9\uc790\ub4e4\uc774 \ub2e8\uc77c DNS \uc11c\ubc84\ub97c \uc774\uc6a9\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n
\uc131\ub2a5\uc0c1\uc758 \uc774\uc720\ub85c DNS \uc11c\ubc84\ub4e4\uc740 \uc9c8\uc758\uc5d0 \ub300\ud55c \uc751\ub2f5 \ub370\uc774\ud130\ub97c \ubc1b\uc73c\uba74 \uce90\uc2dc\uc5d0 \uc800\uc7a5\ud574 \ub193\ub294\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ub2e4\uc74c \uc694\uccad\uc5d0 \ub300\ud55c \uc751\ub2f5 \uc2dc\uac04\uc744 \uc904\uc77c \uc218 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd \uacf5\uaca9\uc744 \ubc1b\uc73c\uba74 \ud2b9\uc815 DNS \uc11c\ubc84 \uc0ac\uc6a9\uc790\ub4e4\uc740 \ub204\uad6c\ub4e0\uc9c0 \uac04\uc5d0 \uc601\ud5a5\uad8c \ub0b4\uc5d0 \uc788\ub294 \ub3c4\uba54\uc778\uc5d0 \ub300\ud55c \ubaa8\ub4e0 \uc9c8\uc758\uc5d0 \ub300\ud574 \uc601\ud5a5\uc744 \ubc1b\ub294\ub2e4.<\/p>\n
2. DNS \uc11c\ubc84\uc5d0 \ud3ec\uc774\uc988\ub2dd \uacf5\uaca9\uc774 \uc774\ub904\uc9c0\ub824\uba74<\/p>\n
\u2460 \uba3c\uc800 \uacf5\uaca9\uc790\ub4e4\uc740 \ubaa9\ud45c\uac00 \ub41c \uc11c\ubc84\uac00 \uc545\uc758\uc801\uc778 DNS \uc11c\ubc84\uc5d0 \uc9c8\uc758\ud558\ub3c4\ub85d \uc870\uc791\ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ubaa9\ud45c\ub85c \uc0bc\uc740 ISP\uc758 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc774\uba54\uc77c \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0b4\ub294 \uac83\uc73c\ub85c \uac00\ub2a5\ud558\ub2e4. \ub610\ub2e4\ub978 \ubc29\ubc95\uc740 \uc2e4\uc81c \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc678\ubd80 \uc774\ubbf8\uc9c0\ub97c \ub2f4\uc740 \uc774\uba54\uc77c\uc744 \ubcf4\ub0b4\ub294 \uac83\uc774\ub2e4.<\/p>\n
\u2461\uadf8\ub807\ub2e4\uba74 \ubaa9\ud45c\uac00 \ub41c DNS \uc11c\ubc84\ub294 \uacf5\uaca9\uc790\uc758 DNS \uc11c\ubc84\uc5d0 \uc9c8\uc758\ub97c \ud55c\ub2e4. DNS \uc751\ub2f5\uc5d0\ub294 \ud76c\uc0dd\uc591\uc774 \ub420 \uc2dc\uc2a4\ud15c\uc758 DNS \uce90\uc2dc\uc5d0 \ud3ec\uc774\uc988\ub2dd \uacf5\uaca9\uc744 \uac00\ud558\ub294 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub3fc \uc788\ub2e4. \uc774 \ucd94\uac00 \uc815\ubcf4\ub294 \uc545\uc758\uc801\uc778 URL\uc774 \ub420 \uc218\ub3c4 \uc788\uc73c\uba70 \uc2ec\uc9c0\uc5b4 .com\uacfc \uac19\uc740 \uc804\uccb4 \ub3c4\uba54\uc778 \uc601\uc5ed\uc774 \ub420 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n
\u2462 \ubaa9\ud45c DNS \uc11c\ubc84\uac00 \uc81c\ub300\ub85c \uc124\uc815\ub418\uc9c0 \uc54a\uc558\ub2e4\uba74, \ub300\uc0c1 DNS \uc11c\ubc84\ub294 \uc0c8\ub85c\uc6b4 \uc22b\uc790\ub85c \ub41c IP \ubaa9\ub85d\uc744 \ubc1b\uc544\ub4e4\uc774\uace0 \uc801\uc808\ud55c \ud56d\ubaa9\uc744 \uc0ad\uc81c\ud574\ubc84\ub9b0\ub2e4.<\/p>\n
\uc774\ub807\uac8c \ub418\uae30\ub9cc \ud558\uba74 \uc601\ud5a5\uc744 \ubc1b\ub294 URL\uc5d0 \ub300\ud574 DNS \uc11c\ubc84\uc5d0 \uc804\uc1a1\ub418\ub294 \ubaa8\ub4e0 \uc9c8\uc758\ub294 \uacf5\uaca9\uc790\uac00 \ubc14\uafd4\ubc84\ub9b0 IP \uc8fc\uc18c\ub85c \uc720\ub3c4\ub41c\ub2e4. \ub9cc\uc57d \ub3c4\uba54\uc778 \uacf5\uac04\uc774 \ud3ec\uc774\uc988\ub2dd\ub410\ub2e4\uba74 \ud574\ub2f9 \ub3c4\uba54\uc778\uc73c\ub85c \ub05d\ub098\ub294 \ubaa8\ub4e0 \uc9c8\uc758\uac00 \uc720\ub3c4\ub3fc \ubc84\ub9b0\ub2e4.<\/p>\n
<\ucd9c\ucc98 : SANS ISC, CNET News.com>\uce74\ubbfc\uc2a4\ud0a4\ub294 \uc9c0\ub09c \uc8fc \uac1c\ucd5c\ub41c \ube14\ub799\ud587(Black Hat) \ubcf4\uc548 \ud589\uc0ac\uc5d0\uc11c \uc790\uc2e0\uc758 \ubc1c\ud45c \uc2dc\uac04\uc5d0 \u201c\uc870\uc0ac\ud55c DNS \uc11c\ubc84 \uc911 \uac70\uc758 10%\uc5d0 \ud574\ub2f9\ud558\ub294 \uc218\uce58\u201d\ub77c\uba70 \u201c\uc6b4\uc601\uc911\uc778 DNS \uc11c\ubc84\ub97c \uc0b4\ud3b4\ubcf4\uc9c0 \uc54a\uace0 \uc788\ub2e4\uba74, \uc9c0\uae08 \ub2f9\uc7a5 \uc2dc\uc791\ud558\ub77c\u201d\ub77c\uace0 \ubaa9\uc18c\ub9ac\ub97c \ub192\uc600\ub2e4.<\/p>\n
\ub124\ud2b8\uc6cc\ud06c \uc704\ud611 \ucd94\uc801 \uae30\uad00\uc778 SANS \uc778\ud130\ub137 \uc2a4\ud1b0 \uc13c\ud130(ISC)\uc5d0 \ub530\ub974\uba74 \uc7a0\uc7ac\uc801\uc778 \uacf5\uaca9\uc758 \ub3d9\uae30\ub294 \ub3c8\uc774\ub2e4. \uacf5\uaca9\uc790\ub4e4\uc740 \ubcf4\ud1b5 \uac1c\uc778 PC\uc5d0 \uc124\uce58\ub418\ub294 \uc2a4\ud30c\uc774\uc6e8\uc5b4\ub098 \uc560\ub4dc\uc6e8\uc5b4 \ub2f9 \uc5bc\ub9c8\uc529\uc758 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud558\uace0 \uc788\ub2e4.<\/p>\n
\uc0ac\ud68c \ubcf4\uc7a5 \ubc88\ud638\ub098 \uc2e0\uc6a9 \uce74\ub4dc \ub370\uc774\ud130\ucc98\ub7fc \uacf5\uaca9\uc744 \ub2f9\ud55c \uc0ac\ub78c\ub4e4\ub85c\ubd80\ud130 \uc5bb\uc5b4\ub0b8 \uc815\ubcf4\ub3c4 \uac70\ub798\ub420 \uc218 \uc788\ub2e4. \uac8c\ub2e4\uac00 PC\uc5d0 \uc124\uce58\ub418\ub294 \uc545\uc131 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub4e4\uc740 PC \uc81c\uc5b4\uad8c\uc744 \uac08\ucde8\ud558\uba70 \ud574\ub2f9 PC\ub294 \uc2a4\ud338 \uc804\ub2ec \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub420 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n
\ubb38\uc81c\uc758 \ub300\uc0c1\uc778 DNS \uc11c\ubc84\ub4e4\uc740 \ud68c\uc0ac\ub098 \uc778\ud130\ub137 \uc11c\ube44\uc2a4 \uc81c\uacf5\uc5c5\uccb4(ISP)\uc5d0\uc11c \uae00\uc790\ub85c \ub41c \uc778\ud130\ub137 \uc8fc\uc18c\ub97c \uc22b\uc790\ub85c \ub41c IP \uc8fc\uc18c\ub85c \ubcc0\ud658\ud558\uae30 \uc704\ud574 \uc6b4\uc601\ub41c\ub2e4. \uac01 \uc11c\ubc84\uc5d0 \uc788\ub294 DNS \uce90\uc2dc\ub294 \uc6f9 \uc8fc\uc18c \ub370\uc774\ud130\ub97c \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc800\uc7a5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n
\uacf5\uaca9\uc790\ub4e4\uc740 DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd \uacf5\uaca9\uc744 \ud1b5\ud574 \uc11c\ubc84\uc5d0 \uc800\uc7a5\ub41c \uc6f9\uc0ac\uc774\ud2b8\uc758 \uc22b\uc790 \uc8fc\uc18c\ub97c \uc545\uc758\uc801\uc778 \uc0ac\uc774\ud2b8\uc758 \uc8fc\uc18c\ub85c \ubc14\uafbc\ub2e4. \uc774 \uacf5\uaca9 \ubc29\ubc95\uc744 \ud1b5\ud574 \uc0ac\uc6a9\uc790\ub4e4\uc740 \uc704\uc870\ub41c \uc6f9\uc0ac\uc774\ud2b8\ub85c \uc720\ub3c4\ub418\uba70 \uacf5\uaca9\uc790\ub4e4\uc740 \uc5ec\uae30\uc5d0 \uac1c\uc778 \uc815\ubcf4\uc640 \uac19\uc774 \ubbfc\uac10\ud55c \ub370\uc774\ud130\ub97c \uc785\ub825\ud558\ub3c4\ub85d \uc694\uccad\ud558\uac70\ub098 PC\uc5d0 \uc720\ud574\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uac15\uc81c\ub85c \uc124\uce58\ud574\ubc84\ub9b0\ub2e4. \uc804\ubb38\uac00\ub4e4\uc740 \uc774\uac19\uc740 \uae30\uc220\uc774 \uc774\uba54\uc77c \uc804\ub2ec\uc5d0\ub3c4 \uc0ac\uc6a9\ub420 \uc218 \uc788\ub2e4\uace0 \uc9c0\uc801\ud55c\ub2e4.<\/p>\n
\uc11c\ub85c \ub2e4\ub978 \ub9ce\uc740 \ucef4\ud4e8\ud130\ub4e4\uc774 \uc778\ud130\ub137 \uc8fc\uc18c\ub97c \ucc3e\uae30 \uc704\ud574 \uac01 DNS \uc11c\ubc84\uc5d0 \uc9c8\uc758\ud560 \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c \uc774 \uacf5\uaca9\uc740 \uc218\ubc31\ub9cc \uc778\ud130\ub137 \uc0ac\uc6a9\uc790\ub4e4\uc5d0\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\uac8c \ub418\uba70 \uacb0\uad6d \uc774\ub4e4\uc740 \ud53c\uc2f1 \uacf5\uaca9, \uc2e0\uc6d0 \ub3c4\uc6a9 \ub4f1 \uc0ac\uc774\ubc84 \uc704\ud611\uc5d0 \ub178\ucd9c\ub420 \uc18c\uc9c0\uac00 \ub192\uc544\uc9c0\uac8c \ub41c\ub2e4.<\/p>\n
DNS\ub97c \ubc1c\uba85\ud588\uc73c\uba70 \ubcf4\uc548 DNS \uc81c\uacf5 \uc5c5\uccb4\uc778 \ub178\ubbf8\ub118(Nominum)\uc758 \ud68c\uc7a5\uc774\uc790 \uc218\uc11d \uacfc\ud559\uc790\uc778 \ud3f4 \ubaa8\uce74\ud398\ud2b8\ub9ac\uc2a4\ub294 \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uc774 \u201c\uc798\ubabb\ub41c \ubc29\ud5a5\uc73c\ub85c \uac00\uac8c\ub054 \ub9cc\ub4dc\ub294 \uac00\uc9dc \uac70\ub9ac \ud45c\uc9c0\ud310\u201d\uacfc \uc720\uc0ac\ud558\ub2e4\uba70 \u201cDNS\uc5d0\ub294 \uc218\ub144 \ub3d9\uc548 \ub2e4\ub978 \ucde8\uc57d\uc131\ub3c4 \uc874\uc7ac\ud574\uc654\ub2e4. \ud558\uc9c0\ub9cc \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uc740 \ud604\uc7ac \uc9c1\uba74\ud558\uace0 \uc788\ub294 \ubb38\uc81c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc \uc774\uc678\uc5d0\ub294 \uace0\uce60 \uc218 \uc788\ub294 \ubc29\ubc95\uc774 \uc5c6\ub2e4\u201d\ub77c\uace0 \ub9d0\ud588\ub2e4.<\/p>\n
“DNS \uc11c\ubc84 \uc911 10% \uc815\ub3c4\uac00 \ucde8\uc57d”
\n\uce74\ubbfc\uc2a4\ud0a4\ub294 \uc778\ud130\ub137\uc5d0 \uc57d 900\ub9cc\ub300\uc758 DNS \uc11c\ubc84\uac00 \uc6b4\uc601\ub418\uace0 \uc788\ub2e4\uace0 \ub9d0\ud588\ub2e4. \uadf8\ub294 \ud504\ub85c\ub808\uc2dd \ud14c\ud06c\ub180\ub85c\uc9c0\uac00 \uc81c\uacf5\ud558\ub294 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c DNS \uc11c\ubc84 250\ub9cc\ub300\ub97c \uac16\uace0 \uc2e4\ud5d8\ud588\ub2e4. \uc2e4\ud5d8 \uacb0\uacfc \uc774 \uc911 23\ub9cc\ub300\uac00 \ucde8\uc57d\uc810\uc744 \uac16\uace0 \uc788\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc73c\uba70, 6\ub9cc\ub300\ub294 DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uacfc \uac19\uc740 \ubd80\ub958\uc758 \uacf5\uaca9\uc5d0 \ubb34\ubc29\ube44\ub85c \ub178\ucd9c\ub3fc \uc788\uc5c8\ub2e4. 1\ub9cc 3000\ub300\ub294 \ud3ec\uc774\uc988\ub2dd \uacf5\uaca9\uc5d0 \ubb34\ub825\ud55c \uce90\uc2dc\ub97c \ud0d1\uc7ac\ud558\uace0 \uc788\uc5c8\ub2e4.<\/p>\n
\uce74\ubbfc\uc2a4\ud0a4\ub294 \ucde8\uc57d\ud55c \uc11c\ubc84\ub4e4\uc758 \uacbd\uc6b0 BIND \uc18c\ud504\ud2b8\uc6e8\uc5b4\uac00 \uc548\uc804\ud558\uc9c0 \ubabb\ud55c \ubc29\ubc95\uc73c\ub85c \uad6c\ub3d9\ub418\uace0 \uc788\uc5c8\uc73c\uba70 \uc5c5\uadf8\ub808\uc774\ub4dc \ud574\uc57c\ub9cc \ud55c\ub2e4\uace0 \ub9d0\ud588\ub2e4. \ucde8\uc57d\ud55c \uc2dc\uc2a4\ud15c\ub4e4\uc740 BIND 4\ub098 BIND 8\uc744 \uad6c\ub3d9\ud558\uace0 \uc788\uc73c\uba70 DNS \uc9c8\uc758\uc5d0 \ub300\ud55c \ubc1c\uc1a1\uc790\ub85c \uc0ac\uc6a9\ud558\ub3c4\ub85d \uc124\uc815\ub3fc \uc788\ub2e4. \uc774 \ubd80\ubd84\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubc30\ud3ec\uc790\ub4e4\uc774 \uc0ac\uc6a9\uc790\ub4e4\uc5d0\uac8c \uc870\uc2ec\ud558\ub3c4\ub85d \uad6c\uccb4\uc801\uc73c\ub85c \uacbd\uace0\ud558\ub294 \uac83\ub4e4\uc774\ub2e4.<\/p>\n
BIND\ub294 \uc778\ud130\ub137 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ucee8\uc18c\uc2dc\uc5c4(ISC)\uc5d0\uc11c \uc790\uc720\ub86d\uac8c \ubc30\ud3ec\ud558\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub2e4. ISC\ub294 \uc790\uc0ac \uc6f9\uc0ac\uc774\ud2b8\uc5d0 \uba85\uc2dc\ud55c \uacbd\uace0\ub97c \ud1b5\ud574 \u201c\ud604\uc7ac DNS \uce90\uc2dc \uc870\uc791 \uacf5\uaca9\uc774 \uad11\ubc94\uc704\ud558\uac8c \ud37c\uc838\uc788\ub2e4\u201d\ub77c\uba70 \ubc1c\uc1a1\uc790\ub85c \uc0ac\uc6a9\ub418\ub294 \ubaa8\ub4e0 DNS \uc11c\ubc84\ub4e4\uc740 BIND 9\uc73c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud574\uc57c \ud55c\ub2e4\uace0 \ubc1d\ud614\ub2e4.<\/p>\n
DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uc740 \uc0c8\ub85c \ub098\ud0c0\ub09c \uacf5\uaca9 \ud615\ud0dc\ub294 \uc544\ub2c8\ub2e4. SANS\uc5d0\uc11c\ub294 \uc9c0\ub09c 3\uc6d4 CNN.com, MSN.com\uacfc \uac19\uc740 \uc720\uba85\ud55c \uc6f9\uc0ac\uc774\ud2b8 \ubc29\ubb38\uc790\ub4e4\uc744 \uc2a4\ud30c\uc774\uc6e8\uc5b4\uac00 \uc124\uce58\ub41c \uc6f9\uc0ac\uc774\ud2b8\ub85c \uc720\ub3c4\ud558\uae30 \uc704\ud574 DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uc774 \uc0ac\uc6a9\ub410\ub2e4\uace0 \ubc1d\ud614\ub2e4.<\/p>\n
\ubaa8\uce74\ud398\ud2b8\ub9ac\uc2a4\ub294 \u201c\ub9cc\uc57d \ub0b4\uac00 \uc774\uc6a9\ud558\ub294 ISP\uac00 BIND 8\uc744 \uad6c\ub3d9\ud574 \ubc1c\uc1a1\uc790 \uc124\uc815\uc744 \ud574\ub193\uc558\ub2e4\uba74 ISP\uac00 \ub098\ub97c \ubcf4\ud638\ud574\uc8fc\uc9c0 \ubabb\ud588\ub2e4\uace0 \uc190\ud574\ubc30\uc0c1\uc744 \uc694\uad6c\ud588\uc744 \uac83\u201d\uc774\ub77c\uba70 \u201cISP\ub4e4\uc774 \uc774\ub7f0 \uc2dd\uc73c\ub85c \uc124\uc815\ud574 \ub3cc\ub9b0\ub2e4\ub294 \uac83\uc740 \uc778\ud130\ub137\uc5d0\uc11c \ubc8c\uc5b4\uc9c0\ub294 \uc9c1\ubb34 \ud0dc\ub9cc\uc5d0 \ud574\ub2f9\ub41c\ub2e4\u201d\ub77c\uace0 \ubaa9\uc18c\ub9ac\ub97c \ub192\uc600\ub2e4.<\/p>\n
\uc0c8\ub85c\uc6b4 \uc704\ud611, \ud30c\ubc0d
\n\uce74\ubbfc\uc2a4\ud0a4\ub294 \uc9c0\ub09c 7\uc6d4 \uc911\ubc18\uc5d0 DNS \uc11c\ubc84\ub4e4\uc744 \uc870\uc0ac\ud588\uc73c\ub098 \uc7a0\uc7ac\uc801\uc73c\ub85c \ucde8\uc57d\ud55c DNS\ub97c \uc124\uce58\ud55c \ud2b9\uc815 \uc870\uc9c1\uc744 \uc5b8\uae09\ud558\uc9c0 \uc54a\uc558\ub2e4. \ud558\uc9c0\ub9cc \uadf8\ub294 \uc778\ud130\ubdf0\uc5d0\uc11c \ud574\ub2f9 \uc2dc\uc2a4\ud15c \uad00\ub9ac\uc790\ub4e4\uc5d0\uac8c \uc774\uba54\uc77c\uc744 \ubc1c\uc1a1\ud560 \uacc4\ud68d\uc774\ub77c\uace0 \ubc1d\ud614\ub2e4.<\/p>\n
\uce74\ubbfc\uc2a4\ud0a4\ub294 \u201c\uc774\uba54\uc77c \uc774\uc2ed\uc5ec\ub9cc \ud1b5\uc744 \ubc1c\uc1a1\ud560 \uac83\u201d\uc774\ub77c\uba70 \u201c\ubcf4\uc548\uc5d0\uc11c \uc7ac\ubbf8\uc5c6\ub294 \uac8c \uc774\ub7f0 \ubd80\ubd84\uc774\ub2e4. \ud558\uc9c0\ub9cc \uc7ac\ubbf8\uc788\ub294 \uc77c\ub9cc \ud560 \uc21c \uc5c6\ub2e4. \uc778\ud504\ub77c\uc2a4\ud2b8\ub7ed\ucc98\ub97c \ubcf4\ud638\ud574\uc57c \ud558\uae30 \ub54c\ubb38\u201d\uc774\ub77c\uace0 \ub9d0\ud588\ub2e4.<\/p>\n
DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uc744 \uc0ac\uc6a9\ud574 \uc18d\uc784\uc218\ub97c \ub2f4\uc740 \uc6f9\uc0ac\uc774\ud2b8\ub85c \ubc29\ubb38\uc790\ub97c \uc720\ub3c4\ud55c \uc774\ud6c4 \uac1c\uc778 \uc815\ubcf4\ub97c \ud6d4\uccd0\ub0b4\ub294 \uacf5\uaca9\uc740 \ube44\uad50\uc801 \uc0c8\ub85c\uc6b4 \ud615\uc2dd\uc5d0 \uc18d\ud55c\ub2e4. \uba87\uba87 \ubcf4\uc548 \uc5c5\uccb4\ub4e4\uc740 \uc774 \uae30\ubc95\uc744 \ud30c\ubc0d(pharming)\uc774\ub77c\uace0\ub3c4 \ubd80\ub978\ub2e4.<\/p>\n
DNS \ucee8\uc124\ud305\u00b7\uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc5c5\uccb4\uc778 \uba58 & \ub9c8\uc774\uc2a4(Men & Mice)\uc758 CEO \ud398\ud280\ub974 \ud398\ud280\ub974\uc190\uc740 DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uc774 \uc5b4\ub824\uc6b4 \uac8c \uc544\ub2c8\ub77c\uba70 \u201c\uc0c1\ub2f9\ud788 \ub9ce\uc774 \ud589\ud574\uc9c0\uace0 \uc788\uace0 \ucd5c\uadfc\uc5d0\ub3c4 \uc0ac\uac74\uc774 \uc788\uc5c8\ub2e4\u201d\ub77c\uace0 \ub9d0\ud588\ub2e4.<\/p>\n
\ud398\ud280\ub974\uc190\uc740 \uc9c0\ub09c \uc218\ub144\uc744 \uac70\uccd0\uc624\uba70 \uc0ac\ub78c\ub4e4\uc774 DNS \ubb38\uc81c\ub97c \uc778\uc2dd\ud558\uac8c \ub410\ub2e4\uace0 \ub9d0\ud588\ub2e4. MS\ub294 4\ub144\uc804 DNS \uc124\uc815\uc744 \uc81c\ub300\ub85c \ud558\uc9c0 \uc54a\uc544\uc11c \uc57c\uae30\ub41c, \uc6f9\uc0ac\uc774\ud2b8\uc758 \ub300\uaddc\ubaa8 \uc911\ub2e8 \uc0ac\ud0dc\ub85c \uace0\ucd08\ub97c \uacaa\uc740 \uc801\uc774 \uc788\ub2e4. \uc774 \uc0ac\uace0\ub85c \uc778\ud574 DNS\ub294 \uc7a0\uc7ac\uc801\uc778 \ubb38\uc81c\uc810\uc774 \uc788\ub2e4\uba70 \uc8fc\ubaa9\ubc1b\uac8c \ub410\ub2e4.<\/p>\n
\ud398\ud280\ub974\uc190\uc740 \u201c\uc544\uc9c1\ub3c4 \uacf5\uaca9\uc5d0 \ucde8\uc57d\ud55c \uc218\ub9cc \ub300, \uc544\ub2c8 \uc218\uc2ed\ub9cc \ub300\uc758 \uc11c\ubc84\uac00 \uc874\uc7ac\ud558\uace0 \uc788\ub2e4\ub2c8 \uadf8\uc800 \ub180\ub77c\uc6b8 \ub530\ub984\u201d\uc774\ub77c\uace0 \uc591 \ud314\uc744 \ubc8c\ub9ac\uba70 \ub9d0\ud588\ub2e4.<\/p>\n
\ubaa8\uce74\ud398\ud2b8\ub9ac\uc2a4\ub294 \uce74\ubbfc\uc2a4\ud0a4\uc758 \uc5f0\uad6c\ub85c DNS \uc11c\ubc84\ub97c \uad00\ub9ac\ud558\ub294 \uc0ac\ub78c\ub4e4, \ud2b9\ud788 \ucd08\uace0\uc18d \uc778\ud130\ub137 \uc11c\ube44\uc2a4 \uc5c5\uccb4\ub4e4\uc740 \uac01\uc131\ud574\uc57c \ud560 \uac83\uc774\ub77c\uace0 \ub9d0\ud588\ub2e4. \uce74\ubbfc\uc2a4\ud0a4\ub294 \uc774\ubc88 \uc5f0\uad6c \uacb0\uacfc\ub97c \ucde8\uc57d\ud55c \uc870\uc9c1\uc744 \uacf5\uaca9\ud558\ub294\ub370 \uc4f0\uc9c4 \uc54a\uc744 \uac83\uc774\uc9c0\ub9cc \uadf8\ub2e4\uc9c0 \uc120\ud55c \uc758\ub3c4\ub97c \uac16\uc9c0 \uc54a\uc740 \uc0ac\ub78c\ub4e4\uc774 \uc790\uccb4\uc801\uc73c\ub85c \ucde8\uc57d\ud55c \uc11c\ubc84\ub97c \ucc3e\uc544\ub0b4 \uacf5\uaca9 \ubaa9\ud45c\ub85c \uc0bc\uc744 \uc218\ub3c4 \uc788\ub2e4\uace0 \uacbd\uace0\ud588\ub2e4.<\/p>\n
\ubaa8\uce74\ud398\ud2b8\ub9ac\uc2a4\ub294 \u201c\uc774 \uae30\uc220\uc740 \ud574\ucee4\ub4e4 \uc0ac\uc774\uc5d0 \ub110\ub9ac \uc54c\ub824\uc838 \uc788\ub2e4. \uc774\uac19\uc740 \uc9c0\uc2dd\uc774 \ub2e8\uc9c0 \ub110\ub9ac \ud37c\uc9c0\ub294 \uac83\uc73c\ub85c \ub05d\ub0a0\uc9c0\ub294 \uc544\ubb34\ub3c4 \ubaa8\ub978\ub2e4\u201d\ub77c\uace0 \ud798\uc8fc\uc5b4 \ub9d0\ud588\ub2e4. @ <\/p>\n","protected":false},"excerpt":{"rendered":"
DNS \uc11c\ubc84 \uc5f4 \uc911 \ud558\ub098, \ud30c\ubc0d \uacf5\uaca9\uc5d0\u300c\ubb34\ubc29\ube44\u300d Joris Evers (CNET News.com) 08\/08\/2005 \ubcf4\uc548 \uc218\uc2ed\ub9cc\ub300\uc758 \uc778\ud130\ub137 \uc11c\ubc84\ub4e4\uc774 \uc544\ubb34 \uac83\ub3c4 \ubaa8\ub974\ub294 \uc778\ud130\ub137 \uc0ac\uc6a9\uc790\ub4e4\uc744 \ud569\ubc95\uc801\uc778 \uc6f9\uc0ac\uc774\ud2b8\uc5d0\uc11c \uc545\uc758\uc801\uc778 \uc6f9\uc0ac\uc774\ud2b8\ub85c \ub9ac\ub2e4\uc774\ub809\uc158\ud558\ub294 \uacf5\uaca9\uc5d0 \ub178\ucd9c\ub3fc \uc788\ub294 \uac83\uc73c\ub85c \ubc1d\ud600\uc84c\ub2e4. \ubcf4\uc548 \uc5f0\uad6c\uc6d0\uc778 \ub304 \uce74\ubbfc\uc2a4\ud0a4\ub294 \uc778\ud130\ub137\uc5d0\uc11c \uc804\ud654\ubc88\ud638\ubd80 \uc5ed\ud560\uc744 \ud558\ub294 DNS \uc11c\ubc84 250\ub9cc\ub300\ub97c \uac80\uc0ac\ud55c \uacb0\uacfc \uc774\uc911 23\ub9cc\uc5ec \ub300\uc758 DNS \uc11c\ubc84\uac00 DNS \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd(cache poisoning)\uc774\ub77c\uace0 \uc54c\ub824\uc9c4 \uc704\ud611\uc5d0 … \uacc4\uc18d \uc77d\uae30 “DNS \uc11c\ubc84 \uc5f4 \uc911 \ud558\ub098, \ud30c\ubc0d \uacf5\uaca9\uc5d0\u300c\ubb34\ubc29\ube44\u300d”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-657","post","type-post","status-publish","format-standard","hentry","category-bookmark"],"_links":{"self":[{"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=\/wp\/v2\/posts\/657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=657"}],"version-history":[{"count":0,"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=\/wp\/v2\/posts\/657\/revisions"}],"wp:attachment":[{"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bluesoul.pe.kr\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}