{"id":35507,"date":"2012-05-29T12:00:07","date_gmt":"2012-05-29T03:00:07","guid":{"rendered":"http:\/\/rmc-oden.com\/blog\/?p=35507"},"modified":"2012-06-01T01:07:39","modified_gmt":"2012-05-31T16:07:39","slug":"%e3%80%90%e6%83%85%e5%a0%b1%e3%80%91%e3%80%8c%e7%a8%bc%e3%81%8e%e7%a7%91%e7%9b%ae%e3%80%8d%e3%81%ab%e3%81%97%e3%82%88%e3%81%86%ef%bc%81","status":"publish","type":"post","link":"https:\/\/rmc-oden.com\/blog\/archives\/35507","title":{"rendered":"\u3010\u60c5\u5831\u3011\u300c\u7a3c\u304e\u79d1\u76ee\u300d\u306b\u3057\u3088\u3046\uff01"},"content":{"rendered":"

\"\"<\/a><\/p>\n

0.\u306f\u3058\u3081\u306b<\/span><\/strong>
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\nT\u25cbC\u30b9\u30c8\u30ec\u30fc\u30c8\u751f\u306f\u5b8c\u6210\u7b54\u7df4\u304c\u7740\u3005\u3068\u9032\u3093\u3067\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u7d50\u679c\u306f\u3069\u3093\u306a\u611f\u3058\u3067\u3059\u304b\uff1f\u9806\u8abf\u3067\u3059\u304b\uff1f\uff1f\u304d\u3063\u3068\u3001\u990a\u6210\u7b54\u7df4\u3068\u306e\u30ec\u30d9\u30eb\u5dee<\/strong>\u3092\u5b9f\u611f\u3057\u3066\u3044\u308b\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002
\n\u30b9\u30c8\u30ec\u30fc\u30c8\u751f\u306e\u4e2d\u306b\u306f\u300180\u70b9\u3092\u666e\u901a\u306b\u8d85\u3048\u3066\u3044\u305f\u306e\u306b\u3001\u300c\u306a\u3093\u306760\u70b9\u3092\u5207\u3063\u3061\u3083\u3046\u3093\u3060\u308d\u3046\u3002\u3002\u300d\u300c\u3053\u3093\u306a\u3093\u3067\u672c\u756a\u5927\u4e08\u592b\u304b\u306a\u3002\u3002\u300d<\/em><\/strong>\u306a\u3093\u3066\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u5b9f\u969b\u3001\u81ea\u5206\u3082\u305d\u3093\u306a\u3068\u304d\u306f\u3042\u308a\u307e\u3057\u305f\u3002
\n\u305f\u3060\u3001\u8a00\u3048\u308b\u306e\u306f\u4e8c\u3064\u3002<\/p>\n

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\n \u30fb\u3044\u307e60\u70b9\u5207\u3063\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u3042\u3068\u4e8c\u30f6\u6708\u5f37\u3042\u308c\u3070\u3001\u3084\u308a\u65b9\u6b21\u7b2c\u3067\u3044\u304f\u3089\u3067\u3082\u5408\u683c\u570f\u5185\u306b\u98df\u3044\u8fbc\u3081\u308b\uff01<\/span><\/strong><\/p>\n

\u6c7a\u3057\u3066\u3053\u3053\u3067\u8ae6\u3081\u305a\u306b\u3001\u65e5\u3005\u3084\u308c\u308b\u3053\u3068\u3092\u7740\u5b9f\u306b\u3053\u306a\u3057\u3066\u3001\u672c\u756a\u307e\u3067\u662f\u975e\u30e9\u30b9\u30c8\u30b9\u30d1\u30fc\u30c8<\/span><\/strong>\u3092\u304b\u3051\u3066\u9802\u304d\u305f\u3044\u3067\u3059\u3002<\/p>\n

\u3055\u3066\u3001\u4eca\u9031\u306f\u7d4c\u55b6\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u3002\u304d\u3063\u3068\u597d\u304d\u5acc\u3044\u3001\u5f97\u610f\u4e0d\u5f97\u610f\u304c\u4e8c\u5206\u3059\u308b\u79d1\u76ee\u3067\u3057\u3087\u3046\u3002\u597d\u304d\u306a\u65b9\u306f\u662f\u975e\u7a3c\u3052\u308b\u3060\u3051\u70b9\u3092\u7a3c\u3044\u3067\u9802\u304d\u305f\u3044\u3067\u3059\u304c\u3001\u82e6\u624b\u306a\u65b9\u3082\u3001\u4e0a\u306b\u66f8\u3044\u305f\u3088\u3046\u306a\u89b3\u70b9\u3067\u3001\u3042\u3068\u4e8c\u30f6\u6708\u3067\u3053\u306e\u79d1\u76ee\u3092\u300c\u7a3c\u304e\u79d1\u76ee\u300d<\/strong>\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3057\u3087\u3046\uff01\u82e6\u624b\u610f\u8b58\u3092\u6301\u3063\u3066\u3044\u308b\u65b9\u306f\u3044\u307e\u3059\u3050\u306b\u3067\u3082\u305d\u306e\u30de\u30a4\u30f3\u30c9\u3092\u6368\u3066\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/strong>\u3053\u306e\u79d1\u76ee\u306b\u9650\u308a\u307e\u305b\u3093\u304c\u3001\u305d\u3046\u3044\u3046\u610f\u8b58\u3067\u306f\u3001\u53d6\u308c\u308b\u70b9\u3082\u53d6\u308c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n

\u305d\u3046\u3044\u3046\u524d\u63d0\u306e\u4e2d\u3001\u4eca\u65e5\u306e\u72d9\u3044\u306f3\u3064\u3067\u3059
\n\u2460IT\u306e\u57fa\u672c\u3067\u3042\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u4ed5\u7d44\u307f\u3092\u518d\u78ba\u8a8d\u3057\u3066\u3001\u5468\u8fba\u77e5\u8b58\u3092\u62e1\u3052\u308b\u305f\u3081\u306e\u571f\u53f0\u3092\u5f37\u5316\u3059\u308b<\/strong>
\n \u2461\u8a08\u7b97\u554f\u984c\u306e\u89e3\u304d\u65b9\u3092\u518d\u78ba\u8a8d\u3057\u3066\u3001\u51fa\u984c\u3055\u308c\u305f\u3068\u304d\u306f\u78ba\u5b9f\u306b\u5f97\u70b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/strong>
\n \u2462\u3053\u306e\u79d1\u76ee\u983b\u51fa\u306e\u4e09\u6587\u5b57\u7528\u8a9e\u3092\u304a\u3055\u3048\u308b<\/strong><\/p>\n

\u6df1\u5800\u3059\u308c\u3070\u6b63\u76f4\u30ad\u30ea\u304c\u7121\u3044\u79d1\u76ee\u3067\u3059\u304c\u3001\u3044\u308f\u3086\u308b\u30de\u30cb\u30a2\u30c3\u30af\u306a\u3053\u3068\u3092\u899a\u3048\u308b\u5fc5\u8981\u306f\u306a\u3044\u3067\u3059\u3002\u6628\u65e5\u3072\u3081\u304c\u5206\u6790<\/a>\u3057\u3066\u304f\u308c\u305f\u3088\u3046\u306b\u3001\u3042\u304f\u307e\u3067\u300c\u57fa\u672c\u8ad6\u70b9\u300d<\/strong>\u3001\u3064\u307e\u308a\u53d6\u308b\u3079\u304d\u3068\u3053\u308d\u3092\u78ba\u5b9f\u306b\u53d6\u3063\u3066\u884c\u3051\u3070<\/span><\/strong>\u3001\u305d\u308c\u3060\u3051\u3067\u3082\u5341\u5206\u306b\u7a3c\u304e\u79d1\u76ee\u306b\u306a\u308a\u307e\u3059\u3002
\n1.IT\u306e\u30ad\u30db\u30f3<\/span>
\n\u6628\u65e5\u306e\u5206\u6790<\/a>\u3067\u3082\u3042\u308a\u307e\u3057\u305f\u304c\u3001IT\u306f\u76f8\u5909\u308f\u3089\u305a\u5168\u4f53\u306e\u4e2d\u3067\u5360\u3081\u308b\u5f97\u70b9\u306e\u5272\u5408\u306f\u9ad8\u3044<\/span><\/strong>\u3067\u3059\u3057\u3001\u304b\u3064\u96e3\u6613\u5ea6\u3068\u3057\u3066\u306f\u6bd4\u8f03\u7684\u53d6\u308a\u3084\u3059\u3044<\/span><\/strong>\u3082\u306e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u9006\u306b\u8a00\u3048\u3070\u3001\u3053\u3053\u3067\u3057\u3063\u304b\u308a\u3068\u53d6\u3089\u306a\u3044\u3068\u300160\u70b9\u3092\u8d85\u3048\u308b\u306e\u306f\u53b3\u3057\u3044\u3067\u3057\u3087\u3046\u3002
\n\u4e0a\u306b\u3082\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u30ad\u30db\u30f3\u3067\u3042\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/strong>\u3068\u96fb\u5b50\u30e1\u30fc\u30eb<\/strong>\u5468\u8fba\u306e\u8ad6\u70b9\u3092\u304a\u3055\u3048\u3066\u9802\u3044\u3066\u3001\u3053\u308c\u3092\u30d9\u30fc\u30b9\u306b\u5468\u8fba\u77e5\u8b58\u3092\u62e1\u3052\u3066\u3044\u3063\u3066\u304f\u3060\u3055\u3044<\/span><\/strong>\u3002
\n\u6c7a\u3057\u3066\u305d\u308c\u305e\u308c\u306e\u8ad6\u70b9\u304c\u72ec\u7acb\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u4f55\u304b\u3057\u3089\u306e\u5f62\u3067\u95a2\u9023\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u81ea\u5206\u306e\u4e2d\u3067\u3069\u3046\u4f53\u7cfb\u7684\u306b\u6574\u7406\u3067\u304d\u308b\u304b\u304c\u52dd\u8ca0\u306e\u5206\u304b\u308c\u76ee<\/span><\/strong>\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002
\n\u4ee5\u4e0b\u3001\u30dd\u30a4\u30f3\u30c8\u3092\u7b87\u6761\u66f8\u304d\u3067\u6319\u3052\u3066\u3044\u304f\u306e\u3067\u4e00\u3064\u305a\u3064\u30c1\u30a7\u30c3\u30af\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044<\/p>\n

\uff1c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7de8\uff1e<\/strong>
\n\"\"<\/a>
\n\u25cbTCP\/IP(Transmission Control Protocol\/Internet Protocol)<\/span><\/strong>
\n\u30fb\u4e21\u65b9\u3068\u3082\u6700\u5f8c\u306eP\u306fProtocol<\/span><\/strong>\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u306f\u5171\u901a\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u3064\u307e\u308a\u300c\u7d04\u675f\u4e8b\u300d<\/strong>\u3092\u4f7f\u3046\u3053\u3068\u304c\u5fc5\u8981\u3002\u3082\u3046\u5c11\u3057\u8a00\u3048\u3070\u3001\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u9593\u3067\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u624b\u9806\u3084\u3057\u304f\u307f\u3092\u5b9a\u3081\u305f\u898f\u7d04\u300d<\/span><\/strong>\u3067\u3059\u3002<\/p>\n

\u30fb\u6211\u3005\u306f\u65e5\u3005\u5f53\u305f\u308a\u524d\u306e\u3088\u3046\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u304c\u3067\u304d\u308b\u306e\u3082\u3053\u306e\u5171\u901a\u306e\u898f\u7d04<\/strong><\/span>\u304c\u3042\u308b\u304a\u304b\u3052\u3067\u3042\u308a\u3001\u9006\u306b\u7570\u306a\u308b\u898f\u7d04\u3067\u306f\u5f53\u7136\u901a\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

\u30fbTCP\/IP\u3092\u7528\u3044\u3066\u5168\u4e16\u754c\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u63a5\u7d9a\u3067\u6700\u5c0f\u9650\u5fc5\u8981\u3068\u3055\u308c\u308b\u6a5f\u80fd<\/span><\/strong>\u304c\u5358\u7d14\u660e\u5feb\u306b\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30fbTCP\/IP\u306f\u3001OSI\u57fa\u672c\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u7b2c3\u5c64\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u76f8\u5f53\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64\uff08IP\uff09\u3001\u7b2c4\u5c64\uff1a\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\uff08TCP\uff09\u3092\u6307\u3057\u307e\u3059<\/span><\/strong>\u3002\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u306f\u304c\u304d\u3067\u5b9b\u5148\uff08\u4f4f\u6240\uff09\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u304cIP\u3001\u5b9f\u969b\u306b\u914d\u9054\u3059\u308b\u306e\u304cTCP\u306e\u5f79\u5272\u3067\u3059\u3002<\/p>\n

\u30fbTCP\u306f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u578b\u901a\u4fe1<\/strong>\u3067\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u578b\u901a\u4fe1\u3067\u306f\u3001\u30c7\u30fc\u30bf\u304c\u9001\u308a\u51fa\u3055\u308c\u305f\u9806\u5e8f\u3067\u30ed\u30b9\u306a\u304f\u9001\u4fe1\u3055\u308c\u3001\u4eee\u306b\u30ed\u30b9\u304c\u3042\u3063\u305f\u5834\u5408\u3067\u3082\u518d\u9001\u7b49\u306e\u624b\u9806\u3092\u884c\u3044\u3001\u901f\u5ea6\u306f\u76f8\u5bfe\u7684\u306b\u4f4e\u4e0b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001\u4fe1\u983c\u6027\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u307e\u3059<\/span><\/strong>\u3002\u96fb\u5b50\u30e1\u30fc\u30eb\u7b49\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n

\u30fbTCP\u3068\u5bfe\u6bd4\u3055\u308c\u308b\u306e\u304c\u3001UDP<\/span><\/strong>(User Datagram Protocol)\u3002\u9001\u4fe1\u5143\u3068\u9001\u4fe1\u5148\u306e\u9593\u3067\u63a5\u7d9a\u3092\u4fdd\u8a3c\u305b\u305a\u3001\u305d\u308c\u305e\u308c\u306e\u30c7\u30fc\u30bf\u3092\u30d1\u30b1\u30c3\u30c8\u3068\u3057\u3066\u5358\u72ec\u306b\u9001\u308a\u307e\u3059\u3002\u8aa4\u308a\u518d\u9001\u5236\u5fa1\u306e\u6a5f\u80fd\u3092\u7701\u7565\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u884c\u3063\u3066\u3044\u307e\u3059<\/span><\/strong>\uff08\uff1d\u3064\u307e\u308a\u3001\u4e00\u822c\u7684\u306bTCP\u3068\u6bd4\u8f03\u3057\u3066\u9ad8\u901f\uff09\u3002\u52d5\u753b\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u914d\u4fe1\u7b49\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n

\u30fbIP\u306f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b<\/strong>\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u5236\u5fa1\u3092\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u4efb\u305b\u3066\u3044\u307e\u3059<\/span><\/strong>\u3002<\/p>\n

\u30fbIP\u306e\u57fa\u672c\u3068\u306a\u308bIP\u30a2\u30c9\u30ec\u30b9<\/span><\/strong>\u306f\u3001\u4e16\u754c\u4e2d\u306b\u3042\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u4e00\u610f\u306b\u6c7a\u3081\u308b\u305f\u3081\u306e\u4f4f\u6240\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3042\u308a\u3001\u901a\u4fe1\u3092\u884c\u3046\u76f8\u624b\u3092\u8b58\u5225<\/span><\/strong>\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002192.168.0.1\u306e\u3088\u3046\u306b\u300132\u30d3\u30c3\u30c8<\/strong>\u306e\u6574\u6570\u5024\u306b\u3088\u308a\u8868\u73fe\u3055\u308c\u307e\u3059\u3002
\n\u25cbLAN(Local Area Network)<\/span><\/strong>
\n\u30fbLAN\u3068\u306f\u3001\u9650\u3089\u308c\u305f\u7d44\u7e54\u5185\u306b\u3042\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u540c\u58eb\u3092\u3064\u306a\u3044\u3060\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u591a\u304f\u306e\u4f01\u696d\u30fb\u5927\u5b66\u30fb\u4eca\u3067\u306f\u5bb6\u5ead\u3067\u3082\u6574\u5099\u3055\u308c\u3066\u3044\u308b\u3068\u3053\u308d\u306f\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u30fb\u30e1\u30ea\u30c3\u30c8\u306f\u30c7\u30fc\u30bf\u306e\u5171\u6709\u3001\u6a5f\u5668\u306e\u5171\u6709\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u5171\u6709<\/strong>\u7b49\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u30fb\u901a\u4fe1\u65b9\u5f0f\u306b\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/span><\/strong>\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u65b9\u5f0f\u306bCSMA\/CD<\/span><\/strong>\u3092\u7528\u3044\u3066\u3044\u307e\u3059\u3002CSMA\/CD\u65b9\u5f0f\uff1a\u30c7\u30fc\u30bf\u306e\u885d\u7a81\uff08C:Collision\uff09\u3092\u76e3\u8996\u3057\u3001\u885d\u7a81\u304c\u8d77\u304d\u305f\u5834\u5408\u306b\u306f\u518d\u9001\u4fe1\u3059\u308b<\/span><\/strong>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u65b9\u5f0f\u3002\u3053\u308c\u3068\u5bfe\u6bd4\u3055\u308c\u308b\u3082\u306e\u304c\u30c8\u30fc\u30af\u30f3\u30d1\u30c3\u30b7\u30f3\u30b0\u65b9\u5f0f\u3002<\/p>\n

\u30fbLAN\u9593\u63a5\u7d9a\u6a5f\u5668\u306b\u306f\u30ea\u30d4\u30fc\u30bf\u30fb\u30d6\u30ea\u30c3\u30b8\u30fb\u30eb\u30fc\u30bf\u30fb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong>\u304c\u3042\u308a\u307e\u3059\uff08\u305d\u308c\u305e\u308c\u306e\u5185\u5bb9\u304c\u4e0d\u5b89\u306a\u65b9\u3001\u3059\u3050\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u958b\u304d\u307e\u3057\u3087\u3046\uff01\uff09<\/p>\n

\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5f62\u614b\u306f2\u3064\u3002Peer to Peer\u578b<\/strong>\uff1a\u30b5\u30fc\u30d0\u5c02\u7528\u6a5f\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u63a5\u7d9a\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u5bfe\u7b49\u306e\u95a2\u4fc2<\/span><\/strong>\u306b\u3042\u308b\u3002\u5c0e\u5165\u3084\u904b\u7528\u304c\u7c21\u5358\u3060\u304c\u3001\u9ad8\u901f\u306a\u51e6\u7406\u306b\u306f\u5411\u304b\u306a\u3044\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30fc\u30d0\u578b<\/strong>\uff1a\u30b5\u30fc\u30d0\u5c02\u7528\u6a5f\u306b\u3088\u3063\u3066\u7d30\u304b\u3044\u5236\u5fa1<\/span><\/strong>\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30fb\u63a5\u7d9a\u5a92\u4f53\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u3082\u306e\u306f\u3001\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u30b1\u30fc\u30d6<\/strong>\u304a\u3088\u3073\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb<\/strong>\u300210BASE5\u30fb10BASE2\u306f\u540c\u8ef8\u3067\u3042\u308a\u3001\u4e00\u65b9\u3067\u6700\u5f8c\u306bT\u304c\u3064\u304f10BASE-T\u306f\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u30b1\u30fc\u30d6\u30eb\u3092\u7528\u3044\u307e\u3059\u3002<\/p>\n

\u30fb\u30c8\u30dd\u30ed\u30b8\uff08\u63a5\u7d9a\u5f62\u614b\uff09\u306f\u30b9\u30bf\u30fc\u578b\u30fb\u30ea\u30f3\u30b0\u578b\u30fb\u30d0\u30b9\u578b<\/strong>\u306e3\u3064\u3042\u308a\u307e\u3059<\/p>\n

\uff1c\u96fb\u5b50\u30e1\u30fc\u30eb\u7de8\uff1e<\/strong>
\n\u25cbSMTP\/POP3(Simple Mail Transfer Protocol\/Post Office Protocol)<\/span><\/strong>
\n\u30fb\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u306fSMTP\uff08\u9001\u4fe1\uff09<\/strong>\u304a\u3088\u3073POP3\uff08\u53d7\u4fe1\uff09<\/strong>\u3068\u3044\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002\uff08\u307e\u305f\u51fa\u3066\u304d\u307e\u3057\u305f\u306d\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u300d\uff09\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u300c\u898f\u7d04\u300d\u3067\u3059\u3002<\/p>\n

\u30fbSMTP\u30b5\u30fc\u30d0\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1<\/span><\/strong>\u3057\u307e\u3059\u3002\u9001\u4fe1\u3067\u304d\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u305d\u306e\u30e1\u30fc\u30eb\u3092\u4e00\u6642\u7684\u306b\u4fdd\u7ba1\u3057\u3001\u4f55\u5ea6\u304b\u518d\u9001\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n

\u30fbPOP\u306f\u7740\u4fe1\u3057\u305f\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u5404\u5229\u7528\u8005\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3067\u7ba1\u7406<\/span><\/strong>\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u8981\u6c42\u306b\u5fdc\u3058\u3066\u3001\u305d\u306e\u4eba\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u5c4a\u3044\u3066\u3044\u308b\u30e1\u30fc\u30eb\u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n

\u30fb\u88dc\u8db3\u3067\u3059\u304c\u3001MIME<\/span><\/strong>(Multipurpose Internet Mail Extensions)\u3068\u547c\u3070\u308c\u308b\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u3048\u3070\u3001\u30e1\u30fc\u30eb\u672c\u6587\u306b\u6587\u5b57\u3060\u3051\u3067\u306a\u304f\u3001\u753b\u50cf\u30fb\u97f3\u58f0\u30fb\u30d7\u30ed\u30b0\u30e9\u30e0\u7b49\u3082\u9001\u53d7\u4fe1<\/span><\/strong>\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001S\/MIME<\/strong>\u3092\u7528\u3044\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6697\u53f7\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u5168\u4f53\u306e\u6d41\u308c\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002\u56f3\u3092\u898b\u306a\u304c\u3089\u6574\u7406\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002
\n\"\"<\/a><\/p>\n

1.\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u81ea\u5206\u304c\u63a5\u7d9a\u3057\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u30d7\u30ed\u30d0\u30a4\u30c0\uff09\u306eSMTP\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3059\u308b\u3002<\/strong>
\n 2.\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306eDNS\u30b5\u30fc\u30d0\u304c\u5916\u90e8\u306eDNS\u30b5\u30fc\u30d0\u306b\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3046<\/strong>
\n 3.IP\u30a2\u30c9\u30ec\u30b9\u306e\u5224\u660e\u3057\u305f\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\uff08\u540c\u3058\u304fSMTP\u30b5\u30fc\u30d0\u30fc\uff09\u3078\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b<\/strong>
\n 4.\u53d7\u4fe1\u8005\u306fPOP\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3066\u3001\u81ea\u5206\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304b\u3089\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u3002<\/strong><\/p>\n

 <\/p>\n

2.\u8a08\u7b97\u554f\u984c\u5bfe\u7b56<\/span>
\n\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u3067\u8a08\u7b97\u554f\u984c\u304c\u51fa\u308b\u3068\u3057\u305f\u3089\u3001
\n\u2460\u901a\u4fe1\u306b\u95a2\u3059\u308b\u3082\u306e<\/strong>
\n \u2461\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u95a2\u3059\u308b\u3082\u306e<\/strong>
\n \u2462\u7d71\u8a08\u306b\u95a2\u3059\u308b\u3082\u306e<\/strong>
\n\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u3001\u3082\u3057\u51fa\u984c\u3055\u308c\u305f\u3089\u78ba\u5b9f\u306b\u70b9\u3092\u53d6\u308a\u305f\u3044\u306e\u304c\u2460\u306e\u901a\u4fe1<\/span><\/strong>\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002
\n\u9078\u629e\u80a2\u306e\u4e00\u90e8\u3068\u3057\u3066\u51fa\u984c\u3055\u308c\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u8a08\u7b97\u81ea\u4f53\u306f\u6c7a\u3057\u3066\u96e3\u3057\u304f\u306a\u3044\u306e\u3067\u3001\u3057\u3063\u304b\u308a\u3068\u89e3\u304d\u65b9\u3092\u304a\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u2461\u3068\u2462\u306b\u3064\u3044\u3066\u306f\u4eca\u65e5\u306f\u89e6\u308c\u307e\u305b\u3093\u304c\u3001\u5c11\u306a\u304f\u3068\u3082\u2461\u306e\u57fa\u672c\u7684\u306a\u3068\u3053\u308d\uff08SQL\u69cb\u6587\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u306e\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308b\u7b49\uff09\u306f\u7df4\u7fd2\u3092\u7a4d\u3093\u3067\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u5185\u5bb9\u304c\u66d6\u6627\u306a\u6b63\u8aa4\u554f\u984c\u3067\u60a9\u3080\u3088\u308a\u3082\u3001\u8a08\u7b97\u3067\u30ba\u30d0\u30c3\u30684\u70b9\u53d6\u3063\u305f\u65b9\u304c\u78ba\u5b9f\u3067\u3059\u3088\u306d\u3002<\/p>\n

\u4ee5\u4e0b\u3001\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u3068\u306f\u601d\u3044\u307e\u3059\u304c\u3001\u89e3\u3044\u3066\u307f\u3066\u78ba\u5b9f\u306b3\u554f\u6b63\u89e3\u3057\u3066\u304f\u3060\u3055\u3044<\/span><\/strong>\u3002\uff08\u7b54\u3048\u306f\u5f8c\u65e5\u3053\u306e\u8a18\u4e8b\u306e\u30b3\u30e1\u30f3\u30c8\u306b\u8f09\u305b\u307e\u3059\uff09<\/p>\n

\u30fb384KB\u306e\u30c7\u30fc\u30bf\u3092\u4f1d\u9001\u901f\u5ea6256Kbps\u306e\u56de\u7dda\u3092\u4f7f\u3063\u3066\u9001\u308b\u306e\u306b\u4f55\u79d2\u304b\u304b\u308b\u304b\uff1f<\/strong><\/p>\n

\u30fb\u3042\u308b\u30c7\u30fc\u30bf\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3068\u304d\u306b\u3001\u30d1\u30bd\u30b3\u30f3\u306e\u753b\u9762\u4e0a\u306b\u8ee2\u9001\u901f\u5ea6\u304c15K\u30d0\u30a4\u30c8\/\u79d2\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u305f\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u306e\u63a5\u7d9a\u901f\u5ea6\u304c128K\u30d3\u30c3\u30c8\/\u79d2\u3068\u3059\u308b\u3068\u3001\u3053\u306e\u3068\u304d\u306e\u901a\u4fe1\u56de\u7dda\u306e\u5229\u7528\u7387\u306f\u3044\u304f\u3089\u304b\u8a08\u7b97\u305b\u3088\u3002<\/strong><\/p>\n

\u30fbCPU\u304c\u4e3b\u8a18\u61b6\u88c5\u7f6e\u304a\u3088\u3073\u30ad\u30e3\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u3001\u305d\u308c\u305e\u308c\u306e\u30a2\u30af\u30bb\u30b9\u6642\u9593\u306f\u3001256\u30ca\u30ce\u79d2\u304a\u3088\u307332\u30ca\u30ce\u79d2\u3067\u3042\u308b\u3002\u3053\u306eCPU\u306e\u5e73\u5747\u30a2\u30af\u30bb\u30b9\u6642\u9593\u309288\u30ca\u30ce\u79d2\u3068\u3057\u305f\u5834\u5408\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30d2\u30c3\u30c8\u7387\u306f\u3044\u304f\u3064\u304b\uff1f<\/strong><\/p>\n

\uff5e\u756a\u5916\u7de8\uff5e
\n\u30fb\uff08\u4f8b\u3048\u3070\uff09\u672c\u793e\u3068\u652f\u793e\u306e\u7aef\u672b\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u7d50\u3070\u308c\u3066\u3044\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u63a5\u7d9a\u56de\u7dda\u304c\u672c\u793e\uff1a4Mbps\u3001\u652f\u793e\uff1a2Mbps\u306e\u3068\u304d\u3001\u652f\u793e\u3067\u672c\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5834\u5408\u3001\u7d50\u5c40\u63a5\u7d9a\u901f\u5ea6\u304c\u9045\u3044\u652f\u793e\u306e\u65b9\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308a\u3001\u672c\u793e\u306e\u63a5\u7d9a\u901f\u5ea6\u306f\u95a2\u4fc2\u306a\u3044\uff08\u6ce8\u610f\uff01\uff09<\/p>\n

\u30fbMTTR\u3068MTBF\u304c\u305d\u308c\u305e\u308c2\u500d\u306b\u306a\u3063\u305f\u3068\u304d\u3001\u7a3c\u50cd\u7387\u306f\u5909\u308f\u308b\uff1f\u5909\u308f\u3089\u306a\u3044\uff1f\uff1f<\/p>\n

3. 3\u6587\u5b57\u7528\u8a9e7\u756a\u52dd\u8ca0\uff01<\/span>
\n\u5148\u3005\u9031\u3001\u3072\u3081\u304c\u904b\u55b6\u7ba1\u7406\u30673\u6587\u5b57\u7528\u8a9e\u7279\u96c6<\/a>\u3092\u7d44\u307f\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u79d1\u76ee\u306f\u3054\u5b58\u3058\u306e\u901a\u308a\u3001\u3082\u3063\u3068\u305f\u304f\u3055\u3093\u51fa\u3066\u304d\u307e\u3059\u3002\u3057\u304b\u30823\u6587\u5b57\u3060\u3051\u3067\u306a\u304f\u30014\u6587\u5b57\u30fb5\u6587\u5b57\u306e\u3082\u306e\u3082\u30b4\u30ed\u30b4\u30ed\u3067\u3066\u304d\u307e\u3059\u3002\u305d\u3046\u3044\u3046\u4e2d\u3001\u79c1\u304c\u304a\u4f1d\u3048\u3057\u305f\u3044\u306e\u306f\u3001\u300c\u9811\u5f35\u3063\u30663\u5358\u8a9e\u5206\u306e\u82f1\u8a9e\u3092\u899a\u3048\u307e\u3057\u3087\u3046\uff01\u300d<\/span><\/strong>\u3064\u307e\u308a\u3001\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c83\u6587\u5b57\u3068\u3057\u3066\u6f20\u7136\u3068\u899a\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001VPN\u3060\u3063\u305f\u3089\u2019Virtual Private Network\u2019\u3068\u3044\u3046\u5358\u8a9e\u306e\u3068\u3053\u308d\u307e\u3067\u304a\u3055\u3048\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002
\n\u3053\u3053\u307e\u3067\u899a\u3048\u3066\u3044\u308c\u3070\u3001\u3069\u3046\u3044\u3046\u5185\u5bb9\u304b\u3055\u3059\u304c\u306b\u5206\u304b\u308a\u307e\u3059\u3088\u306d\uff1f\u3044\u3056\u672c\u756a\u3067\u9078\u629e\u80a2\u8ff7\u3063\u305f\u3068\u304d\u306b\u5927\u3044\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002
\n\u307e\u305a\u306f\u4ee5\u4e0b\u306e7\u3064\u304b\u3089\u3001\u82f1\u8a9e\u307e\u3067\u542b\u3081\u3066\u3001\u6539\u3081\u3066\u304a\u3055\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff08\u9806\u756a\u306b\u306f\u7279\u306b\u512a\u5148\u9806\u4f4d\u306f\u3042\u308a\u307e\u305b\u3093\uff09<\/p>\n

\u2460IDS(Intrusion Detection System)<\/span><\/strong>
\n\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3001\u307e\u305f\u306f\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6d41\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u3092\u76e3\u8996\u3057\u3066\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3068\u601d\u308f\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u3092\u767a\u898b\u3057\u305f\u3068\u304d\u306b\u30a2\u30e9\u30fc\u30e0\u3092\u8868\u793a\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u5f53\u8a72\u901a\u4fe1\u8a18\u9332\u3092\u53ce\u96c6\u3057\u4fdd\u5b58\u3059\u308b\u4ed5\u7d44\u307f\u3002\u30bf\u30a4\u30d7\u3068\u3057\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578b\u3068\u30db\u30b9\u30c8\u578b\u304c\u3042\u308b\u3002<\/p>\n

\u2461FTP(File Transfer Protocol)<\/span><\/strong>
\n\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3084\u30a4\u30f3\u30c8\u30e9\u30cd\u30c3\u30c8\u306a\u3069\u306eTCP\/IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u3068\u304d\u306b\u4f7f\u308f\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3002 \u30c7\u30fc\u30bf\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30fb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u4e21\u65b9\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n

\u2462NAT(Network Address Translation)<\/span><\/strong>
\n\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u4f01\u696d\u306a\u3069\u3067\u3001\u4e00\u3064\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092\u8907\u6570\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u5171\u6709\u3059\u308b\u6280\u8853\u3002\u7d44\u7e54\u5185\u3067\u306e\u307f\u901a\u7528\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9(\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9)\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30a2\u30c9\u30ec\u30b9(\u30b0\u30ed\u30fc\u30d0\u30eb\u30a2\u30c9\u30ec\u30b9)\u3092\u76f8\u4e92\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u5b9f\u73fe\u3055\u308c\u308b\u3002\u4e00\u6642\u70b9\u3067\u306f\u30011\u3064\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u30011\u3064\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3002
\n\u2463URL(Uniform Resource Locator)<\/span><\/strong>
\n\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u5b58\u5728\u3059\u308b\u60c5\u5831\u8cc7\u6e90(\u6587\u66f8\u3084\u753b\u50cf\u306a\u3069)\u306e\u5834\u6240\u3092\u6307\u3057\u793a\u3059\u8a18\u8ff0\u65b9\u5f0f\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u304a\u3051\u308b\u60c5\u5831\u306e\u300c\u4f4f\u6240\u300d\u306b\u3042\u305f\u308b\u3002\u60c5\u5831\u306e\u7a2e\u985e\u3084\u30b5\u30fc\u30d0\u540d\u3001\u30dd\u30fc\u30c8\u756a\u53f7\u3001\u30d5\u30a9\u30eb\u30c0\u540d\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306a\u3069\u3067\u69cb\u6210\u3055\u308c\u308b\u3002<\/p>\n

\u2464VPN(Virtual Private Network)<\/span><\/strong>
\n\u4eee\u60f3\u79c1\u8a2d\u7db2\u3002\u516c\u8846\u56de\u7dda\u3092\u3042\u305f\u304b\u3082\u5c02\u7528\u56de\u7dda\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u5229\u7528\u3067\u304d\u308b\u30b5\u30fc\u30d3\u30b9\u3002\u4f01\u696d\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u62e0\u70b9\u9593\u63a5\u7d9a\u306a\u3069\u306b\u4f7f\u308f\u308c\u3001\u5c02\u7528\u56de\u7dda\u3092\u5c0e\u5165\u3059\u308b\u3088\u308a\u30b3\u30b9\u30c8\u3092\u6291\u3048\u3089\u308c\u308b\u3002\u901a\u4fe1\u5185\u5bb9\u3092\u6697\u53f7\u5316\u3057\u305f\u308a\u3001\u30e6\u30fc\u30b6\u8a8d\u8a3c\u3092\u884c\u3046\u3053\u3068\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u3066\u3044\u308b\u3002<\/p>\n

\u2465SSL(Secure Socket Layer)<\/span><\/strong>
\nNetscape Communications\u793e\u304c\u958b\u767a\u3057\u305f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u60c5\u5831\u3092\u6697\u53f7\u5316\u3057\u3066\u9001\u53d7\u4fe1\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3002\u73fe\u5728\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308bWWW\u3084FTP\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306b\u95a2\u308f\u308b\u60c5\u5831\u3084\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u756a\u53f7\u3001\u4f01\u696d\u79d8\u5bc6\u306a\u3069\u3092\u5b89\u5168\u306b\u9001\u53d7\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002SSL\u4e0a\u3067HTTP\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3092HTTPS\u3068\u3044\u3046\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d0\u30f3\u30ad\u30f3\u30b0\u3068\u304b\u306bHTTPS\u306b\u306a\u308a\u307e\u3059\u3088\u306d\uff09<\/p>\n

\u2466DNS(Domain Name System)<\/span><\/strong>
\n\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30db\u30b9\u30c8\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u5bfe\u5fdc\u3055\u305b\u308b\u30b7\u30b9\u30c6\u30e0\u3002\u5168\u4e16\u754c\u306eDNS\u30b5\u30fc\u30d0\u304c\u5354\u8abf\u3057\u3066\u52d5\u4f5c\u3059\u308b\u5206\u6563\u578b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308b\u3002IP\u30a2\u30c9\u30ec\u30b9\u3092\u3082\u3068\u306b\u30db\u30b9\u30c8\u540d\u3092\u6c42\u3081\u305f\u308a\u3001\u305d\u306e\u9006\u3092\u6c42\u3081\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002
\n4.\u304a\u308f\u308a\u306b<\/span>
\n\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306f\u7a3c\u304e\u79d1\u76ee\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u304b\uff1f\u5192\u982d\u306b\u8a00\u3063\u305f\u3088\u3046\u306b\u3001\u3053\u3053\u304b\u3089\u306e2\u304b\u6708\u5f37\u306f\u672c\u5f53\u306b\u5927\u4e8b\u3067\u3059\u3002\u30b9\u30c8\u30ec\u30fc\u30c8\u751f\u306f2\u6b21\u8a66\u9a13\u306e\u3053\u3068\u3082\u6c17\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u307e\u305a\u306f1\u6b21\u8a66\u9a13\u3067\u78ba\u5b9f\u306b420\u70b9\u53d6\u308c\u308b\u5b9f\u529b<\/span><\/strong>\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u4f55\u3088\u308a\u3082\u5927\u4e8b\u3067\u3059\u3002\u6a21\u8a66\u307e\u3067\u306e\u30e9\u30b9\u30c83\u5468\u3001\u662f\u975e\u9811\u5f35\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u3067\u306f\u6b21\u56de\u306f\u7d4c\u55b6\u6cd5\u52d9\u306e\u3068\u304d\u306b\u4f1a\u3044\u307e\u3057\u3087\u3046\uff01<\/p>\n

by\u30b3\u30cb\u30b1\u30f3<\/p>\n

\uff1c\u53c2\u8003\u6587\u732e\uff1e
\n\u30fbIT\u7528\u8a9e\u8f9e\u5178\uff1ae-words.jp
\n\u30fb\u7dcf\u52d9\u7701HP
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