[ SHA-1, RC6 \u8907\u5408\u30e6\u30cb\u30c3\u30c8\u306b\u3088\u308b Share \u691c\u77e5 ]
\n\u5f18\u524d\u5927\u306e\u5b66\u751f\u3055\u3093\u3002
\n\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u30bd\u30d5\u30c8\u306e\u4f7f\u7528\u3092\u691c\u77e5\u3059\u308b\u30b7\u30b9\u30c6\u30e0 (Share \u3068\u3044\u3046\u306e\u306f\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u30bd\u30d5\u30c8\u3067\u3001Winny \u306e\u5f8c\u7d99\u3089\u3057\u3044)\u3002
\nNIC \u4e0a\u306e FPGA (Altera) \u306b\u5b9f\u88c5\u3059\u308b\u3002
\nSHA-1 \u3068 RC6 \u3092\u4f7f\u3063\u3066\u30d8\u30c3\u30c0\u304b\u4f55\u304b\u306e magic number \u3092\u691c\u51fa\u3057\u3066\u898b\u3064\u3051\u308b\u3063\u307d\u3044\u3002
\nSHA-1: 1107LE, RC6:3754LE, Overall: 5123LE
\nCyclone EP1C20F400C7
\n\u8cea\u554f (\u308f\u3057): \u3044\u307e\u306e\u30c1\u30c3\u30d7\u3060\u3068\u5168\u4f53\u306e\u9762\u7a4d\u306e 1\/4 \u304f\u3089\u3044\u3002\u5e02\u8ca9\u306e IP \u30b3\u30a2\u3068\u306f\u6bd4\u8f03\u3057\u3066\u306a\u3044 (\u63a2\u3057\u3066\u304a\u304f\u308c\u30fc)\u3002
\n\u8cea\u554f (\u5ea7\u9577): \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3053\u308c (\u4f8b\u306e\u756a\u53f7\u306e) \u304c\u666e\u901a\u3002\u8db3\u3092\u5f15\u3063\u5f35\u3063\u3066\u3044\u308b\u306e\u306f SHA-1\u3002\u901a\u4fe1\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u306f\u30d1\u30b1\u30c3\u30c8\u306e\u30c7\u30fc\u30bf\u9577\u306e\u3070\u3089\u3064\u304d\u304c\u539f\u56e0\u3002\u30d1\u30b1\u30c3\u30c8\u9577 (\u30da\u30a4\u30ed\u30fc\u30c9\u9577) \u3092\u5224\u5b9a\u3059\u308b\u56de\u8def\u306f\u542b\u307e\u308c\u3066\u3044\u308b\u3002
\n[ \u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u642d\u8f09\u3057\u305fNIC\u306b\u3088\u308bDoS\u653b\u6483\u5bfe\u7b56 ]
\n\u524d\u6a4b\u5de5\u79d1\u5927\u306e\u65b9\u3002
\nHTTP-GET flood \u653b\u6483\u3092 FPGA \u306a NIC \u3067\u963b\u6b62\u3057\u305f\u3044\u3002
\nApache \u3067\u30d5\u30a3\u30eb\u30bf\u3059\u308b\u306e\u3067\u306f\u30ec\u30a4\u30e4\u304c\u9ad8\u3059\u304e\u3066\u3001\u30de\u30b8\u30e1\u306b\u653b\u3081\u8fbc\u307e\u308c\u305f\u3089\u3057\u3093\u3069\u3044\u3002
\n\u305d\u3053\u3067\u3001Apache \u3067\u306f\u653b\u6483\u306e\u691c\u51fa\u3068 source IP \u30a2\u30c9\u30ec\u30b9\u306e\u7279\u5b9a\u3092\u3057\u3066\u3001NIC \u306e\u307b\u3046\u3067\u30d1\u30b1\u30c3\u30c8\u3092\u843d\u3068\u3059\u3002
\nNIC \u4e0a\u306e IP address blacklist \u306f CAM \u3068\u304b\u3092\u4f7f\u3044\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u5358\u4f4d\u3068\u304b\u4f55\u304b\u3067\u3001\u308f\u308a\u3068\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u3092\u6291\u3048\u308b\u65b9\u5411\u3067\u3084\u308a\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u308b\u3002
\n\u5b9f\u88c5\u306f\u307e\u3060\u3057\u3066\u306a\u3044\u3002
\n\u30b5\u30d6\u30cd\u30c3\u30c8\u5358\u4f4d (24bit) \u306a\u3089CAM \u306a\u3093\u304b\u4f7f\u308f\u306a\u304f\u3066\u3082\u3067\u304d\u305d\u3046\u3060\u3051\u3069\u306a\u300264k word x 256bit \u3068\u304b\u306a\u3089\u30012MB \u306b\u53ce\u307e\u308b\u306e\u3067\u3001\u5916\u4ed8\u3051\u306e SRAM (18Mbit \u3068\u304b) \u304c\u3072\u3068\u3064\u3042\u308c\u3070\u4f59\u88d5\u3067\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3067\u304d\u308b\u300232bit \u5168\u90e8\u3060\u3068\u3001512MB \u5fc5\u8981\u306a\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u3057\u3093\u3069\u3044\u306a\u3002
\n\u8cea\u554f (\u5ea7\u9577): blacklist \u306e\u5b9f\u88c5\u304c\u554f\u984c\u3002Aho-Corasick \u3068\u304b Hash \u3068\u304b?
\n\u8cea\u554f (\u308f\u3057): \u30e1\u30e2\u30ea\u306e\u30a2\u30c9\u30ec\u30b9\u3068\u30c7\u30fc\u30bf\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5de7\u304f\u4f7f\u3048\u3070\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u308b\u3093\u3067\u306f?
\n\u8cea\u554f (\u305d\u306e\u4ed6): NIC \u304c IP \u30ec\u30a4\u30e4\u3092\u3084\u308b\u3068\u304b\u3044\u3046\u3053\u3068\u3067\u306f\u306a\u3044\u3002
\n[ P2P \u30d5\u30a1\u30a4\u30eb\u4ea4\u63db\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u74b0\u5883 Winnyp \u3092\u5bfe\u8c61\u3068\u3057\u305f\u89b3\u6e2c ]
\nWinny \u3067\u3069\u3093\u306a\u30d5\u30a1\u30a4\u30eb (\u7a2e\u985e\u3001\u30b5\u30a4\u30ba) \u304c\u6d41\u901a\u3057\u3066\u3044\u308b\u304b\u306e\u30b5\u30fc\u30d9\u30a4\u3068\u304b\u3002
\n\u8cea\u554f (\u5ea7\u9577): Winny \u3068 Winny2 \u3067\u6d41\u901a\u3057\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306e\u5206\u5e03\u306b\u5dee\u7570\u304c\u3042\u308b\u306e\u306f\u306a\u305c? \u30c7\u30fc\u30bf\u53ce\u96c6\u3092\u3057\u305f\u671f\u9593\u306f\u4e00\u9031\u9593\u3002\u305f\u3060\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u9664\u3044\u305f\u308a\u3059\u308b\u4f5c\u696d\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u3002
\n\u8cea\u554f (\u5f18\u524d\u5927\u306e\u65b9): \u89b3\u6e2c\u3057\u305f\u30ce\u30fc\u30c9\u306f\u5168\u4f53\u306e\u3069\u308c\u304f\u3089\u3044\u304b: \u89b3\u6e2c\u3059\u308b\u306e\u306b\u4f7f\u3046\u30de\u30b7\u30f3\u3092\u5897\u3084\u3057\u3066\u3044\u3063\u3066\u3001\u30ce\u30fc\u30c9\u6570\u304c\u98fd\u548c\u3057\u305f\u3068\u3053\u308d\u3067\u6253\u3061\u5207\u3063\u305f\u3002
\n[ Packet Filtering Unit\u306e\u8a55\u4fa1 ]
\n\u5f18\u524d\u5927\u30d1\u30fc\u30c8 II.
\n\u8cea\u554f (\u5ea7\u9577): \u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u756a\u53f7\u3067\u30d5\u30a3\u30eb\u30bf\u3059\u308b\u3068\u3053\u308d\u304c\u8b0e\u3002\u3067\u3082\u3001\u3053\u308c\u306f signature \u3092\u5727\u7e2e\u3059\u308b\u305f\u3081\u3089\u3057\u3044(\u3069\u3053\u304b\u5916\u3067\u691c\u77e5\u3057\u3066 signature \u3064\u304f\u308b\u306e\u304b?)
\n\u8cea\u554f (\u524d\u6a4b\u5de5\u79d1\u5927): \u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u3092\u5909\u66f4\u3057\u305f\u5834\u5408\u306f\u518d\u5408\u6210\u304c\u5fc5\u8981? yes.
\n[ \u81ea\u5df1\u7d44\u7e54\u5316\u30de\u30c3\u30d7\u306b\u3088\u308b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u4e88\u6e2c ]
\n\u795e\u5948\u5ddd\u5de5\u79d1\u5927\u306e\u4eba\u3002SOM \u3067\u3059\u3088!
\nSignature \u578b\u3067\u306f\u767b\u9332\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u5224\u5b9a\u3092\u3059\u308b\u306e\u3067\u3001\u4e9c\u7a2e\u307f\u305f\u3044\u306a\u3084\u3064\u306f\u691c\u51fa\u3067\u304d\u306a\u3044\u3002
\nAnomaly \u578b\u3067\u306f\u300c\u6b63\u5e38\u306a\u72b6\u614b\u3067\u306a\u304f\u306a\u3063\u305f\u300d\u3053\u3068\u3092\u691c\u51fa\u3059\u308b\u306e\u3067\u3001false positive \u304c\u591a\u3044\u3002
\nSnort \u306e\u5b9a\u7fa9\u3092\u5b66\u7fd2\u30c7\u30fc\u30bf\u306b\u3064\u304b\u3046\u3002
\n\u3061\u3083\u3093\u3068 ROC \u306a\u3093\u304b\u3082\u8a55\u4fa1\u3057\u3066\u304a\u308a\u3001\u306a\u304b\u306a\u304b\u3061\u3083\u3093\u3068\u3084\u3063\u3066\u3044\u308b\u6c17\u304c\u3059\u308b\u3002\u9069\u5fdc\u578b\u30d5\u30a3\u30eb\u30bf\u306b\u3082\u306a\u308c\u308b\u3057\u306d\u3002\u304b\u3063\u3053\u3044\u3044\u3002
\n\u8cea\u554f (\u308f\u3057): SVM \u3068\u304b\u306f\u3069\u3046\u3067\u3059\u304b? SOM\u306f\u6559\u5e2b\u306a\u3057\u5b66\u7fd2\u304c\u3067\u304d\u308b\u3053\u3068\u304c\u30dd\u30a4\u30f3\u30c8\u3060\u3068\u8003\u3048\u3066\u3044\u308b\u3002\u3042\u3068\u3001\u8996\u899a\u7684\u306b\u898b\u305b\u3089\u308c\u308b\u306e\u3082\u3001\u4eba\u304c\u76e3\u8996\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u5fdc\u7528\u304c\u5229\u304d\u305d\u3046\u3067\u3044\u3044\u304b\u306a\u30fc\u3001\u3068\u3002
\n[ \u5206\u6563\u578b\u901a\u4fe1\u5236\u5fa1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b7\u30b9\u30c6\u30e0\u306e\u958b\u767a ]
\nLinux \u3067 L2 filtering.
\n\u8cea\u554f (\u5ea7\u9577): \u554f\u984c\u304c\u767a\u751f\u3057\u305f\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u843d\u3068\u3059\u3093\u3060\u3063\u305f\u3089 MAC \u30a2\u30c9\u30ec\u30b9\u3054\u3068\u306b\u30d5\u30a3\u30eb\u30bf\u3057\u306a\u304f\u3066\u3082\u3044\u3044\u3093\u3067\u306a\u3044? L2\u7bb1\u3060\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u6210 (L3\u7bb1\u304c\u3042\u308b\u3068\u304b) \u306b\u3088\u3063\u3066\u306f\u5165\u308c\u306b\u304f\u3044?<\/p>\n","protected":false},"excerpt":{"rendered":"
[ SHA-1, RC6 \u8907\u5408\u30e6\u30cb\u30c3\u30c8\u306b\u3088\u308b Share \u691c\u77e5 ] \u5f18\u524d\u5927\u306e\u5b66\u751f\u3055\u3093\u3002 \u30d5\u30a1\u30a4\u30eb\u5171\u6709\u30bd\u30d5\u30c8\u306e\u4f7f\u7528\u3092\u691c\u77e5\u3059\u308b\u30b7\u30b9\u30c6\u30e0 (Share \u3068\u3044\u3046\u306e\u306f\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u30bd\u30d5\u30c8\u3067\u3001Winny \u306e\u5f8c\u7d99\u3089\u3057\u3044)\u3002 NIC \u4e0a\u306e … “FIT ’09: Session 2P” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-2413","post","type-post","status-publish","format-standard","hentry","category-conference-logs"],"_links":{"self":[{"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/posts\/2413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=2413"}],"version-history":[{"count":0,"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/posts\/2413\/revisions"}],"wp:attachment":[{"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=2413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=2413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yasu2.prosou.nu\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=2413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}