{"id":4162,"date":"2014-05-11T21:24:42","date_gmt":"2014-05-11T12:24:42","guid":{"rendered":"http:\/\/www.vincentina.net\/?p=4162"},"modified":"2014-05-11T21:24:42","modified_gmt":"2014-05-11T12:24:42","slug":"tcpip%e3%82%bd%e3%82%b1%e3%83%83%e3%83%88%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0c%e8%a8%80%e8%aa%9e%e7%af%87%e3%81%8c%e3%81%b2%e3%81%a8%e9%80%9a%e3%82%8a%e7%b5%82%e3%82%8f","status":"publish","type":"post","link":"https:\/\/www.vincentina.net\/?p=4162","title":{"rendered":"TCP\/IP\u30bd\u30b1\u30c3\u30c8\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0C\u8a00\u8a9e\u7bc7\u304c\u3072\u3068\u901a\u308a\u7d42\u308f\u3063\u305f\u3088\uff5e"},"content":{"rendered":"

\u3068\u308a\u3042\u3048\u305a\u76ee\u6a19\u306f\u9054\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u660e\u89e3C\u8a00\u8a9e\u306e\u5165\u9580\uff5e\u4e2d\u7d1a\u3001\u30dd\u30a4\u30f3\u30bf\u5b8c\u5168\u5236\u8987\u3068\u8aad\u307f\u9032\u3081\u3066\u304d\u3066\u306e\u3084\u3063\u3068\u3053\u3055\u3067\u3059\u3051\u3069\u3001\u5358\u8a9e\u3068\u6587\u6cd5\u306e\u8f9e\u66f8\u3092\u7247\u624b\u306b\u3084\u3063\u3068\u7c21\u5358\u306a\u4f1a\u8a71\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u304b\u306a\u3041\u3068\u3044\u3046\u611f\u3058\u3067\u3059\u3002
\n\u307a\u3089\u307a\u30fc\u3089\u306b\u306f\u307e\u3060\u307e\u3060\u6642\u9593\u304b\u304b\u308b\u3060\u308d\u3046\u306d\u3002<\/p>\n

\u3044\u307e\u3061\u3087\u3053\u3063\u3068Perl\u3082\u521d\u3081\u3066\u308b\u3093\u3060\u3051\u3069\u3001Perl\u3067\u306f\u4e3b\u306b\u30d5\u30a1\u30a4\u30eb\u306e\u64cd\u4f5c\u3001\u30ed\u30b0\u306e\u89e3\u6790\u3001\u6b63\u898f\u8868\u73fe\u3001\u30cf\u30c3\u30b7\u30e5\u3063\u3066\u3044\u3046\u30e9\u30a4\u30f3\u30ca\u30c3\u30d7\u306a\u306e\u3067\u4eca\u307e\u3067\u3084\u3063\u3066\u304d\u305f\u3082\u306e\u3068\u306f\u4e00\u5473\u9055\u3063\u3068\uff5e\u308b\u3002<\/p>\n

\u305f\u3068\u3048\u3070\u3001Iplay baseball<\/span>\u304c\u5206\u304b\u3063\u305f\u3089Je joue <\/span>au baseball.<\/span>\u306f\u3059\u3050\u306b\u308f\u304b\u308b\u3088\u306d\u3002
\n<\/span><\/span>\u904e\u53bb\u306bC\u8a00\u8a9e\u3067\u3084\u3063\u305f\u7df4\u7fd2\u53f0\u3092Perl\u3067\u3084\u3063\u3066\u307f\u305f\u3089\u3055\u304f\u3063\u3068\u3067\u304d\u308b\u3093\u3088\u306d\u3002
\n\u305f\u3060\u3001\u3084\u308d\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u306a\u304b\u306a\u304b\u3067\u304d\u306a\u3044\u306e\u3067\u591a\u5c11\u3078\u3053\u307f\u304e\u307f\u3002<\/p>\n

 <\/p>\n

\u307e\u3042\u8fd1\u6cc1\u306f\u305d\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n

\u3072\u3068\u307e\u305a\u30fb\u30fb\u30fb
\n\u307e\u3068\u3081\u3063\u3066\u3082\u306e\u3067\u3082\u306a\u3044\u3051\u3069\u3001\u3061\u3087\u3053\u3063\u3068\u8a66\u3057\u3066\u307f\u305f\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u305d\u308c\u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\n

UDP\u3067IP Spoofing\u3000\u3084\u3063\u3066\u307f\u305f\u3002<\/h2>\n

\u3055\u3089\u3063\u3068\u66f8\u3044\u3066\u307e\u3059\u3051\u3069\u3001\u3044\u308f\u3086\u308b\u507d\u88c5\u3067\u3059\u3002<\/p>\n

\u30c1\u30a7\u30c3\u30af\u306fconntrack-tools\u3060\u3051\u3067\u4eca\u56de\u306fTCPdump\u306f\u4f7f\u3063\u3066\u307e\u305b\u3093\u3002
\n\u524d\u56de\u3067\u306f\u3063\u304d\u308a\u3068\u6c17\u3065\u3044\u3066\u306a\u304f\u3066\u4eca\u56de\u3067\u306f\u6c17\u3065\u3044\u305f\u3093\u3060\u3051\u3069\u3001conntrack-tools\u3067\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3057\u304b\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3001iptables\u3067\u30dd\u30fc\u30c8\u3092\u3075\u3055\u3044\u3067\u308b\u3068\u691c\u77e5\u3057\u306a\u3044\u306e\u3060\u306d\u3002<\/p>\n

\u3063\u3066\u3053\u3068\u3067UDP\u306f\u5168\u958b\u3067\u3059\u3002<\/p>\n

[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.162 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.162 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.163 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.163 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.164 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.164 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.165 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.165 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.166 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.166 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.167 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.167 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.168 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.168 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.169 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.169 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.170 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.170 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.171 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.171 sport=10000 dport=10000\r\n[NEW] udp\u00a0\u00a0\u00a0\u00a0\u00a0 17 30 src=192.168.24.172 dst=192.168.24.69 sport=10000 c=192.168.24.69 dst=192.168.24.172 sport=10000 dport=10000<\/pre>\n
\u4e00\u90e8\u3057\u304b\u8f09\u3063\u3066\u307e\u305b\u3093\u304c\u3001\u30d8\u30c3\u30c0\u30fc\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u3066\u5358\u7d14\u306b\u30c7\u30fc\u30bf\u3092\u9001\u308b\u3060\u3051\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30c4\u30fc\u30eb\u3067\u3001\u30eb\u30fc\u30d7\u3067\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306eIP\u30922\uff5e254\u307e\u3067\u56de\u3057\u3066\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3092\u9632\u3054\u3046\u3068\u601d\u3063\u305f\u3089\u3001\u3055\u3063\u304d\u3082\u66f8\u3044\u305f\u3051\u3069iptables\u3067OK\u3002\u63d0\u4f9b\u3057\u3066\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u306f\u5225\u306e\u624b\u3092\u4f7f\u308f\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3063\u3066\u3053\u3068\u3060\u306d\u3002<\/p>\n
\u3067\u306f\u6b21\u306e\u5b9f\u9a13\u3067\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3092\u6301\u3063\u305f\u30b5\u30fc\u30d0\u30fc\u306b\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9001\u3063\u3066\u307f\u305f\u3002
\n\u7d50\u679c\u306f\u666e\u901a\u306bISP\u304b\u3089\u632f\u308a\u5206\u3051\u3089\u308c\u3066\u3044\u308b\u30b0\u30ed\u30fc\u30d0\u30ebIP\u304c\u8868\u793a\u3055\u308c\u308b\u3002
\nCTU\u3067NAT\u5909\u63db\u3055\u308c\u3066\u308b\u3093\u3060\u308d\u3046\u3002
\n\u304a\u3082\u3057\u308d\u304f\u306a\u3044\u306a\u3002<\/p>\n
 <\/p>\n
\u3067\u306f\u6b21\u306e\u5b9f\u9a13\u3067\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3092\u6301\u3063\u305f\u30b5\u30fc\u30d0\u30fc\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u307f\u305f\u3002
\n\u7d50\u679c\u3068\u3057\u3066\u306f\u3001\u9001\u4fe1\u5143IP\u3092\u3061\u3083\u3093\u3068\u8a2d\u5b9a\u3057\u305f\u3068\u304d\u3060\u3051\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u305f\u3002
\n\u3068\u3044\u3046\u4e8b\u306f\u3001\u3082\u3063\u3068\u4e0b\u306e\u30ec\u30a4\u30e4\u30fc\u3067\u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u308b\u3068\u3044\u3046\u4e8b\u304b\u306a\u3002<\/p>\n
\u3069\u3046\u3084\u3063\u3066\u308b\u304b\u306f\u5206\u304b\u3089\u306a\u3044\u3051\u3069\u3001\u7d50\u8ad6\u3092\u8a00\u3046\u3068\u507d\u88c5\u306f\u96e3\u3057\u3044\u3088\u3046\u3060\u3002
\n\u3060\u3051\u3069\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3053\u308c\u306f\u4e00\u822c\u4eba\u306b\u9650\u3063\u305f\u8a71\u3067\u3001\u3053\u306a\u3044\u3060\u30cb\u30e5\u30fc\u30b9\u306b\u3082\u306a\u3063\u3066\u305f\u3051\u3069\u3001\u30a6\u30a3\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u306f\u7d42\u7109\u3092\u8fce\u3048\u3066\u3001\u9632\u3052\u306a\u3044\u304b\u3089\u88ab\u5bb3\u62e1\u5927\u3092\u9632\u3054\u3046\u305c\uff01<\/span>\u3063\u3066\u3082\u306e\u306b\u306a\u308b\u3068\u304b\u306a\u3093\u3068\u304b\u3002
\n\u3082\u3046\u6b21\u5143\u306e\u9055\u3046\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306a\u3089\u306a\u3093\u3067\u3082\u3067\u304d\u3061\u3083\u3046\u3093\u3060\u308d\u3046\u304b\u3002
\n\u305d\u306e\u4e16\u754c\u306f\u3082\u3068\u3082\u3068\u30a4\u30bf\u30c1\u3054\u3063\u3053\u3060\u3063\u305f\u3068\u601d\u3046\u3051\u3069\u3001\u3082\u3046\u8ffd\u3044\u3064\u304b\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3093\u3060\u308d\u3046\u304b\u3002<\/p>\n
 <\/p>\n
\u307e\u3041\u3001\u3067\u304d\u308b\u4eba\u305f\u3061\u306e\u3053\u3068\u306f\u7f6e\u3044\u3066\u304a\u3044\u3066\u81ea\u5206\u306e\u3053\u3068\u304c\u5927\u4e8b\u306a\u306e\u3060\u3088\u3002
\n\u3044\u307e\u4ee5\u4e0a\u8e0f\u307f\u8fbc\u3082\u3046\u3068\u601d\u3046\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u77e5\u8b58\u3082\u3082\u3063\u3068\u5fc5\u8981\u3060\u3057\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u65b9\u306f\u30d8\u30c3\u30c0\u30fc\u3092\u3044\u3058\u3063\u305f\u308a\u3001\u69cb\u9020\u4f53\uff08\u30bd\u30b1\u30c3\u30c8\u306f\u69cb\u9020\u4f53\u304c\u591a\u3044\uff09\u3092\u4f7f\u3063\u3066\u3044\u308d\u3044\u308d\u3044\u3058\u304f\u308b\u3082\u306e\u306b\u306a\u308b\u3063\u307d\u3044\u3002\u3053\u308c\u307e\u305f\u4eca\u307e\u3067\u3084\u3063\u3066\u304d\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u306f\u3072\u3068\u3042\u3058\u9055\u3063\u305f\u611f\u3058\u306e\u3082\u306e\u3060\u3002
\n\u3044\u3042\u3001\u3072\u3068\u3042\u3058\u9055\u3063\u305f\u3068\u3044\u3046\u304b\u3053\u306e\u307e\u307e\u7a81\u304d\u9032\u3093\u3060\u611f\u3058\u304b\u3057\u3089\u3002<\/p>\n
 <\/p>\n
\u6b21\u306e\u4e88\u5b9a\u306f\u3001\u8cb7\u3063\u305f\u3051\u3069\u3084\u3063\u3066\u306a\u3044C\u3068C++\u306e\u672c\u304c\u3042\u308b\u306e\u3067\u3001\u3082\u30461\u56de\u57fa\u672c\u304b\u3089\u306e\u4e88\u5b9a\u3060\u3002<\/p>\n
\u306a\u3093\u304b\u4e45\u3057\u3076\u308a\u306b\u307e\u3058\u3081\u306a\u6587\u3060\u306a(\u7b11)<\/p>\n
        
Tweet<\/a><\/div><\/div>\n
\n","protected":false},"excerpt":{"rendered":"
\u3068\u308a\u3042\u3048\u305a\u76ee\u6a19\u306f\u9054\u6210\u3057\u307e\u3057\u305f\u3002 \u660e\u89e3C\u8a00\u8a9e\u306e\u5165\u9580\uff5e\u4e2d\u7d1a\u3001\u30dd\u30a4\u30f3\u30bf\u5b8c\u5168\u5236\u8987\u3068\u8aad\u307f\u9032\u3081\u3066\u304d\u3066\u306e\u3084\u3063\u3068\u3053\u3055\u3067\u3059\u3051\u3069\u3001\u5358\u8a9e\u3068\u6587\u6cd5\u306e\u8f9e\u66f8\u3092\u7247\u624b\u306b\u3084\u3063\u3068\u7c21\u5358\u306a\u4f1a\u8a71\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u304b\u306a\u3041\u3068\u3044\u3046\u611f\u3058\u3067\u3059\u3002 \u307a\u3089\u307a\u30fc\u3089\u306b\u306f\u307e\u3060\u307e\u3060\u6642\u9593 … “TCP\/IP\u30bd\u30b1\u30c3\u30c8\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0C\u8a00\u8a9e\u7bc7\u304c\u3072\u3068\u901a\u308a\u7d42\u308f\u3063\u305f\u3088\uff5e” \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":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4162","post","type-post","status-publish","format-standard","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4162"}],"version-history":[{"count":0,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4162\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}