{"id":851,"date":"2005-12-01T12:21:56","date_gmt":"2005-12-01T03:21:56","guid":{"rendered":"http:\/\/yasu2.prosou.nu\/blog\/index.php\/2005\/12\/01\/reconf2005_62-64_dec01_securit\/"},"modified":"2005-12-01T12:21:56","modified_gmt":"2005-12-01T03:21:56","slug":"reconf2005_62-64_dec01_securit","status":"publish","type":"post","link":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/2005\/12\/01\/851\/","title":{"rendered":"RECONF2005 62-64 (Dec.01: Security & Dependability)"},"content":{"rendered":"

\u52d5\u7684\u518d\u69cb\u6210\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u642d\u8f09\u3057\u305f\u7570\u5e38\u901a\u4fe1\u306e\u63a2\u77e5\u6a5f\u80fd<\/h4>\n

\u65e5\u7acb\u4e2d\u592e\u7814\u7a76\u6240\u306e\u65b9\u3002
\n\u30eb\u30fc\u30bf\u306a\u3069\u3067\u884c\u3046 DDoS \u3092\u306f\u3058\u3081\u3068\u3059\u308b\u653b\u6483\u304b\u3089\u306e\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u3002
\nFPGA \u306a\u3093\u304b\u3067\u3084\u308b\u3068\u3001\u30eb\u30fc\u30eb\u306e\u66f4\u65b0\u306a\u3069\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u52d5\u7684\u518d\u69cb\u6210\u30c7\u30d0\u30a4\u30b9\u304c\u3088\u3055\u305d\u3046\u3002\u9632\u5fa1\u65b9\u5f0f(\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0)\u3082\u65b0\u3057\u304f\u63d0\u6848\u3057\u3066\u304a\u308a\u3001\u9762\u7a4d\u3092\u524a\u6e1b\u3057\u3064\u3064\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u5411\u4e0a\u3068\u7570\u5e38\u901a\u4fe1\u906e\u65ad\u307e\u3067\u306e\u6642\u9593\u77ed\u7e2e\u3092\u56f3\u3063\u3066\u3044\u308b\u3002\u6c4e\u7528\u306e\u30de\u30a4\u30af\u30ed\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f7f\u3046\u5834\u5408\u3068\u6bd4\u3079\u308b\u3068\u3001\u3042\u307e\u308a\u5927\u304d\u306a\u30e1\u30e2\u30ea\u304c\u4f7f\u3048\u306a\u3044\u3068\u3053\u308d\u304c\u96e3\u3057\u3044\u304c\u3001\u3046\u307e\u3044\u3053\u3068\u3084\u3063\u3066\u3044\u308b\u6a21\u69d8\u3002<\/p>\n

Q & A<\/h5>\n

\u4e95\u53e3\u5148\u751f: \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u5909\u308f\u308b\u3063\u3066\u3069\u308c\u304f\u3089\u3044\u5909\u308f\u308b\u306e\u304b\uff1f
\n\u21921\u30d1\u30b1\u30c3\u30c8\u6bce\u306b configuration \u304c\u5909\u308f\u308b\u306e\u304c\u7406\u60f3\u7684\u306a\u306e\u3067\u3001FPGA \u3060\u3068\u3061\u3087\u3063\u3068\u3057\u3093\u3069\u3044\u304b\u3082\u3002\u3044\u307e\u306f\u307e\u3060\u305d\u3053\u307e\u3067\u884c\u3063\u3066\u306a\u3044\u306e\u3060\u3051\u308c\u3069\u3002
\nDDoS \u306e\u306f DDoS \u306e\u4eba\u3068\u304b\u3001P2P \u306f P2P \u306e\u4eba\u3068\u304b\u3001\u305d\u308c\u305e\u308c\u306e\u653b\u6483\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u65b0\u3057\u3044\u958b\u767a\u8005\u304c\u5fc5\u8981\uff1f
\n\u2192C \u8a00\u8a9e\u3067\u3044\u3046\u3068\u3053\u308d\u306e\u6570\u5341\u884c\u7a0b\u5ea6\u306e\u5909\u66f4\u306a\u306e\u3060\u3051\u308c\u3069\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u3059\u308b\u3068(\u5224\u5b9a\u90e8\u5206\u3092\u4f5c\u3063\u305f\u308a\u3059\u308b\u306e\u304c)\u5927\u5909
\n\u98ef\u7530\u5148\u751f: \u518d\u69cb\u6210\u3059\u308b\u306e\u306f\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\uff1f
\n\u21921500octet \u306a\u30d1\u30b1\u30c3\u30c8\u304c\u304d\u305f\u3068\u304d\u306b\u3001\u5224\u5b9a\u306b\u4f7f\u3046\u306e\u306f\u307b\u3093\u306e\u4e00\u90e8\u306a\u306e\u3067\u3001\u4f7f\u308f\u306a\u3044\u90e8\u5206\u304c\u5230\u7740\u3057\u3066\u3044\u308b\u9593\u306b\u518d\u69cb\u6210\u3059\u308c\u3070\u3088\u3044\u300264octet \u306a packet \u3068\u304b\u3001\u77ed\u3044\u306e\u304c\u9023\u7d9a\u3057\u3066\u304f\u308b\u3068\u3060\u3044\u3076\u30ad\u30d3\u30b7\u30a4
\nNEC \u68b6\u539f\u3055\u3093: \u691c\u51fa\u3059\u308b\u3068\u304d\u306b\u3001\u30c6\u30fc\u30d6\u30eb\u53c2\u7167\u3060\u3051\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u30c7\u30fc\u30bf\u30d1\u30b9\u305d\u306e\u3082\u306e\u306f\u66f8\u304d\u63db\u3048\u306a\u304f\u3066\u6e08\u3080\u308f\u3051\u3067\u3001reconfigurable \u3067\u3042\u308b\u5fc5\u8981\u306f\u306a\u3044\u3068\u601d\u3046\u306e\u3060\u304c
\n\u2192\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u305d\u306e\u3082\u306e\u304c\u5909\u308f\u3089\u306a\u3044\u3068\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u305d\u3046\u3044\u3046\u69cb\u6210\u306f\u3061\u3087\u3063\u3068\u30e0\u30ea\u3067\u3059<\/p>\n

FPGA\u3092\u7528\u3044\u305f\u30a6\u30a3\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u30b7\u30b9\u30c6\u30e0\u306e\u63d0\u6848<\/h4>\n

\u6771\u90a6\u5927\u5b66\u306e\u3072\u3068\u3002
\n802.3 (Ethernet) \u306e\u30ec\u30d9\u30eb\u3067\u30d1\u30b1\u30c3\u30c8\u3092\u304c\u30fc\u3063\u3068\u8aad\u3093\u3067\u30a6\u30a3\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304f\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u3002set top box \u7528\u307f\u305f\u3044\u306a\u611f\u3058\u3002ClamAV<\/a> \u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u3001Virus \u306e signature \u304b\u3089 HDL \u3092\u81ea\u52d5\u751f\u6210\u3059\u308b\u3068\u3053\u308d\u304c\u30ab\u30c3\u30b3\u30a4\u30a4\u3068\u601d\u3046\u3002\u3066\u3044\u3046\u304b\u300110Gbps \u3067\u3059\u304b\u30de\u30b8\u3067\u3059\u304b\u3002FPGA \u306f Stratix \u3067\u300133MHz \u3067\u52d5\u304b\u3057\u3066\u304a\u308a\u307e\u3059\u3002
\n\u8907\u6570\u306e Ethernet \u30d5\u30ec\u30fc\u30e0\u306b\u5206\u5272\u3055\u308c\u305f virus \u304c\u539f\u72b6\u3060\u3068\u691c\u51fa\u3067\u304d\u307e\u305b\u306c\u3002\u3042\u3068\u3001\u691c\u51fa\u5f8c\u306b\u3069\u3046\u3059\u308b\u304b\u304c\u554f\u984c\u3060\u3002\u3053\u3063\u3061\u306f\u5b9f\u88c5\u4e91\u3005\u3068\u3044\u3046\u3088\u308a\u3001\u30a2\u30a4\u30c7\u30a2\u306e\u554f\u984c\u304b\u3082\u306a\u3002
\n\u306a\u3093\u304b\u3053\u308c\u3059\u3054\u3044\u3067\u3059\u3088\u3002\u8cea\u7591\u5fdc\u7b54\u3082\u5927\u76db\u308a\u4e0a\u304c\u308a\u3002
\n\u30c8\u30e8\u30bfIT\u306e\u65b9: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3060\u3051\u3092\u66f4\u65b0\u3059\u308b\u3084\u308a\u65b9\u3067 OK\uff1f
\n\u2192\u30ef\u30a4\u30e4\u306e\u3064\u306a\u304e\u65b9\u3067\u30de\u30c3\u30c1\u30f3\u30b0\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u56de\u8def\u306e\u69cb\u6210\u305d\u306e\u3082\u306e\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002
\n\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3060\u3051\u66f4\u65b0\u3059\u308b\u65b9\u6cd5\u3060\u3068\u3069\u3046\u3088\uff1f
\n\u2192\u305d\u3046\u3059\u308b\u3068\u30e1\u30e2\u30ea\u306e\u8aad\u307f\u51fa\u3057\u3068\u304b\u304c\u554f\u984c\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3000\uff08\u305d\u308a\u3083\u305d\u3046\u3060\uff09
\nFPGA\u306e\u69cb\u6210\u30c7\u30fc\u30bf\u3082\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u8ee2\u9001\u3059\u308b\u308f\u3051\u3060\u304c\u3001\u305d\u308c\u304c\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u306f\u3069\u3046\u3084\u3063\u3066\u4fdd\u8a3c\u3059\u308b\uff1f
\n\u2192FPGA\u306e\u6697\u53f7\u5316\u6a5f\u80fd\u304c\u3042\u308b\u306e\u3067\u3001\u69cb\u6210\u60c5\u5831\u3092\u6697\u53f7\u5316\u3057\u3066\u9001\u4fe1\u3059\u308c\u3070OK\u3067\u306a\u3044\u304b\u306a
\n\u304a\u540d\u524d\u5931\u5ff5\u3057\u307e\u3057\u305f: signature \u306e\u9577\u3055\u3068\u6570\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044
\n\u2192SW \u3067\u4f7f\u3063\u3066\u3044\u308b\u3082\u306e\u3060\u3068\u6570\u767e\u30d3\u30c3\u30c8\u7a0b\u5ea6\u306e\u3082\u306e\u304c\u591a\u3044\u3002FPGA \u5b9f\u88c5\u3067\u306f 64bit \u3067\u30de\u30c3\u30c1\u30f3\u30b0\u3057\u3066\u3001256 \u7a2e\u985e\u306e signature \u3092\u51e6\u7406\u3057\u3066\u3044\u308b\u3002antivirus \u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u6570\u4e07\u3068\u304b\u5bfe\u5fdc\u3057\u3066\u308b\u308f\u3051\u3060\u304c\u3001\u73fe\u5b9f\u306b\u540c\u6642\u306b\u6d41\u884c\u3063\u3066\u308b\u3084\u3064\u306f100\u7a2e\u985e\u304f\u3089\u3044\u306a\u306e\u3067\u3001\u610f\u5916\u306b\u5145\u5206\u304b\u3082
\n\u677e\u4e0b\u306e\u524d\u7530\u3055\u3093: \u30d1\u30bf\u30fc\u30f3\u304c\u66f4\u65b0\u3055\u308c\u308b\u524d\u306b\u3084\u3089\u308c\u3061\u3083\u3063\u305f\u3089\u7d42\u308f\u308a\u3060\u3068\u601d\u3046\u3093\u3067\u3059\u304c\u3001\u3051\u3063\u304d\u3087\u304f PC \u306e\u307b\u3046\u306b\u5bfe\u7b56\u7528\u306e\u4f55\u304b\u3092\u5165\u308c\u306a\u304d\u3083\u3044\u3051\u306a\u3044\uff1f
\n\u2192\u307e\u3042\u3001\u306a\u3093\u3067\u30822\u91cd3\u91cd\u306b\u3084\u3089\u306a\u3044\u3068\u30c0\u30e1\u3067\u3059\u3088\u306d\u3002\u3042\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5165\u308a\u53e3\u306b\u304a\u3044\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u843d\u3068\u3055\u305a\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u30c7\u30a3\u30b8\u30bf\u30eb\u5bb6\u96fb\u3068\u304b\u3082\u542b\u3081\u3066\u306a\u3002
\n\u3053\u308c\u3001antivirus software \u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u66f4\u65b0\u3059\u308b\u3068\u304d\u306b\u30d1\u30b1\u30c3\u30c8\u304c\u6368\u3066\u3089\u308c\u3061\u3083\u3046\u3053\u3068\u3063\u3066\u306a\u3044\u306e\u304b? \u3068\u304b\u601d\u3046\u3093\u3060\u3051\u3069\u3001\u672c\u8cea\u7684\u3058\u3083\u306a\u3044\u3057\u3001\u307e\u3001\u3044\u3063\u304b\u3002<\/p>\n

Reconfiguration \u306b\u3088\u308b FPGA \u306e\u56fa\u5b9a\u6545\u969c\u691c\u51fa<\/h4>\n

\u5e73\u6728\u7814\u306e\u4e2d\u6751\u3055\u3093\u3002
\n\u5b87\u5b99\u3068\u304b\u7802\u6f20\u3068\u304b\u7121\u4eba\u5cf6\u3067 FPGA \u304c\u58ca\u308c\u3061\u3083\u3046\u3068\u4ea4\u63db\u3057\u306b\u3044\u3051\u306a\u3044\u306e\u3067\u3001\u3069\u3053\u304c\u58ca\u308c\u305f\u304b\u3092\u30ea\u30e2\u30fc\u30c8\u3067\u691c\u51fa\u3067\u304d\u308b\u4ed5\u639b\u3051\u304c\u5fc5\u8981\u3002\u90e8\u5206\u7684\u306b\u3076\u3063\u58ca\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u305d\u3053\u3092\u4f7f\u308f\u305a\u306b\u306a\u3093\u3068\u304b\u3059\u308b\u65b9\u6cd5\u3001\u3068\u3044\u3046\u306e\u306f\u308f\u308a\u3068\u307f\u3093\u306a\u3084\u3063\u3066\u3044\u308b\u308f\u3051\u3060\u304c\u3001\u691c\u51fa\u306e\u307b\u3046\u306f\u3046\u306c\u306c\u306c\u3001\u3068\u3044\u3046\u611f\u3058\u306a\u308f\u3051\u3067\u3002
\n\u691c\u67fb\u6642\u9593\u306b\u52b9\u3044\u3066\u304f\u308b\u306e\u306f\u5f53\u7136\u3001\u691c\u67fb\u5bfe\u8c61\u306e\u30b5\u30a4\u30ba\u3068\u30c6\u30b9\u30c8\u306e\u56de\u6570\u306a\u306e\u3067\u3001\u305d\u3053\u3092\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3059\u3002
\n\u4f7f\u3063\u3066\u3044\u308b\u56de\u8def\u3060\u3051\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3068\u304b\u30010\/1 \u306b\u56fa\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u6240\u306f\u30c1\u30a7\u30c3\u30af\u3057\u306a\u304f\u3066\u304a\u3063\u3051\u3044\u3068\u304b\u3001\u305d\u3046\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u691c\u67fb\u5bfe\u8c61\u306e\u56de\u8def\u898f\u6a21\u3092\u7d5e\u308a\u8fbc\u3080\u3002
\nXilinx \u306e ncd \u30d5\u30a1\u30a4\u30eb\u3092 ncdread \u3067\u30c6\u30ad\u30b9\u30c8\u306b\u3057\u3066\u3001\u914d\u7f6e\u914d\u7dda\u60c5\u5831\u3092\u30c6\u30ad\u30b9\u30c8\u306b\u3057\u3066\u8aad\u3093\u3067\u3044\u308b\u3002\u3093\u3067\u3001\u305d\u3053\u304b\u3089\u6545\u969c\u691c\u51fa\u56de\u8def\u3092\u4f5c\u308b\u308f\u3051\u3060\u3002
\n\u5e83\u5cf6\u5e02\u7acb\u5927\u306e\u4e95\u4e0a\u5148\u751f: \u5165\u529b\u3092\u52d5\u304b\u3057\u305f\u3068\u304d\u306b\u5fdc\u7b54\u304c\u30c8\u30b0\u30eb\u3059\u308b\u304b\u3069\u3046\u304b\u3060\u3051\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3060\u3051\u3058\u3083\u3060\u3081\u3067\u3001\u6b63\u3057\u304f\u52d5\u3044\u3066\u3044\u3066\u51fa\u529b\u306b\u4f1d\u308f\u308b\u304b\u3092\u307f\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3068\u601d\u3046\u308f\u3051\u3067\u3059\u304c
\n\u2192\u3042\u3001\u3061\u3083\u3093\u3068\u3001\u7d50\u679c\u304c\u6b63\u3057\u3044\u304b\u306f\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059
\n\u660e\u6cbb\u5927\u5b66\u306e\u4e95\u53e3\u5148\u751f: \u691c\u67fb\u3068\u3044\u3046\u304b\u3001\u3069\u3053\u304c\u58ca\u308c\u3066\u308b\u304b\u3092\u8a3a\u65ad\u3059\u308b\u3068\u3053\u308d\u307e\u3067\u8003\u3048\u3066\u308b\u308f\u3051\u3067\u3059\u3088\u306d?
\n\u2192\u306f\u3044
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