{"id":1736,"date":"2025-12-06T14:52:39","date_gmt":"2025-12-06T05:52:39","guid":{"rendered":"https:\/\/mylifeisbeautiful555.net\/?page_id=1736"},"modified":"2025-12-06T14:52:39","modified_gmt":"2025-12-06T05:52:39","slug":"%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%82%a4%e3%83%b3%e3%82%b9%e3%83%9a%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3","status":"publish","type":"page","link":"https:\/\/mylifeisbeautiful555.net\/?page_id=1736","title":{"rendered":"\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. Application Layer Inspection \u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u7c21\u5358\u306b\u3044\u3046\u3068\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>L7\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff09\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e2d\u8eab\u3092\u7406\u89e3\u3057\u3066\u3001\u6b63\u3057\u3044\u901a\u4fe1\u304b\u30fb\u8a31\u53ef\u3059\u3079\u304d\u5185\u5bb9\u304b\u3092\u5224\u65ad\u3059\u308b\u6a5f\u80fd<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>\u5f93\u6765\u306e ACL \u3084\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IP\uff08\u9001\u4fe1\u5143\/\u5b9b\u5148\uff09<\/li>\n\n\n\n<li>\u30dd\u30fc\u30c8\u756a\u53f7\uff0880, 443, 53\u2026\uff09<\/li>\n\n\n\n<li>TCP\/UDP\/ICMP<\/li>\n<\/ul>\n\n\n\n<p>\u3068\u3044\u3063\u305f <strong>L3\/L4 \u60c5\u5831\u307e\u3067<\/strong>\u3057\u304b\u898b\u307e\u305b\u3093\u3002<br>\u3067\u3082\u73fe\u5b9f\u306e\u653b\u6483\u3084\u5236\u5fa1\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTP \u306e URL \u30d1\u30b9<\/li>\n\n\n\n<li>HTTP \u30e1\u30bd\u30c3\u30c9\uff08GET, POST, PUT, DELETE\u2026\uff09<\/li>\n\n\n\n<li>FTP \u306e\u30b3\u30de\u30f3\u30c9\uff08PUT\u306f\u7981\u6b62\u3001GET\u3060\u3051\u8a31\u53ef \u306a\u3069\uff09<\/li>\n\n\n\n<li>DNS \u30af\u30a8\u30ea\u306e\u4e2d\u8eab\uff08\u30b5\u30a4\u30ba\u7570\u5e38\u3001\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\uff09<\/li>\n\n\n\n<li>SIP \u306e\u4e2d\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u97f3\u58f0\u7528\u30dd\u30fc\u30c8\u756a\u53f7<\/li>\n<\/ul>\n\n\n\n<p>\u306a\u3069\u3001<strong>\u3082\u3063\u3068\u4e2d\u8eab\u3092\u898b\u306a\u3044\u3068\u5224\u65ad\u3067\u304d\u306a\u3044\u3053\u3068<\/strong>\u304c\u591a\u3044\u3002<br>\u3053\u3053\u3092\u3084\u308b\u306e\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u4f55\u304c\u3067\u304d\u308b\u306e\u304b\uff1f<\/h2>\n\n\n\n<p>\u4ee3\u8868\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3053\u3068\u3092\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2460 \u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u6b63\u3057\u3044\u304b\u30c1\u30a7\u30c3\u30af<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTP, FTP, DNS, SIP \u306a\u3069\u306e <strong>\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u691c\u8a3c<\/strong><\/li>\n\n\n\n<li>\u4e0d\u6b63\u306a\u30d8\u30c3\u30c0\u69cb\u9020\u30fb\u5909\u306a\u9577\u3055\u30fb\u4ed5\u69d8\u5916\u306e\u52d5\u304d\u3092\u691c\u51fa<br>\u2192 \u5358\u7d14\u306a\u30d0\u30b0\u60aa\u7528\u30fb\u8106\u5f31\u6027\u653b\u6483\u306e\u4e00\u90e8\u3092\u9632\u3052\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2461 \u4e2d\u8eab\u3092\u898b\u3066\u300c\u7d30\u304b\u3044\u5236\u5fa1\u300d\u304c\u3067\u304d\u308b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTP \u306e <strong>URL\u30fb\u30e1\u30bd\u30c3\u30c9\u30fb\u30d8\u30c3\u30c0<\/strong> \u3092\u898b\u3066\u5236\u5fa1<\/li>\n\n\n\n<li>FTP \u306e <strong>PUT\uff08\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\uff09\u7981\u6b62\u3001GET\u306e\u307f\u8a31\u53ef<\/strong><\/li>\n\n\n\n<li>SMTP \u3067\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u5236\u5fa1 \u306a\u3069<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2462 \u8907\u96d1\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u88dc\u52a9\uff08ALG \u7684\u306a\u5f79\u5272\uff09<\/h3>\n\n\n\n<p>FTP \/ SIP \/ H.323 \/ RTSP \u306a\u3069\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u300c\u5236\u5fa1\u30c1\u30e3\u30cd\u30eb\uff08\u6c7a\u3081\u3054\u3068\uff09\u300d\u306e\u4e2d\u3067<\/li>\n\n\n\n<li>\u300c\u30c7\u30fc\u30bf\u30c1\u30e3\u30cd\u30eb\uff08\u5b9f\u969b\u306e\u901a\u4fe1\uff09\u306eIP\u3068\u30dd\u30fc\u30c8\u300d\u3092\u6c7a\u3081\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\uff1aFTP\u306e PORT \/ PASV \u30b3\u30de\u30f3\u30c9\u306e\u4e2d\u306b\u300c\u3053\u306eIP:port\u306b\u63a5\u7d9a\u3057\u3066\u306d\u300d\u3068\u66f8\u3044\u3066\u3042\u308b\u3002<\/p>\n\n\n\n<p>FW \u306f\u3053\u306e\u90e8\u5206\u3092\u8aad\u3093\u3067\u3001<br><strong>\u5fc5\u8981\u306a\u30dd\u30fc\u30c8\u3060\u3051\u3092\u4e00\u6642\u7684\u306b\u958b\u3051\u308b<\/strong>\uff08\u30d4\u30f3\u30db\u30fc\u30eb\uff09\u3068\u3044\u3046\u8ce2\u3044\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. L7\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u306e\u4ee3\u8868\u30d7\u30ed\u30c8\u30b3\u30eb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f539; HTTP \u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30bd\u30c3\u30c9\uff08GET\/POST\/PUT\/DELETE\u2026\uff09\u3092\u898b\u3066\u5236\u5fa1<\/li>\n\n\n\n<li>URL \u3084 \u30db\u30b9\u30c8\u30d8\u30c3\u30c0\u3001User-Agent \u306a\u3069\u3092\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u7570\u5e38\u306a\u9577\u3055\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30d8\u30c3\u30c0\u3092\u30d6\u30ed\u30c3\u30af<br>\u2192 WAF\u307b\u3069\u7d30\u304b\u304f\u306f\u306a\u3044\u304c\u3001\u7c21\u6613\u7684\u306a HTTP \u9632\u5fa1\u3068\u5236\u5fa1\u306b\u4f7f\u3048\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f539; FTP \u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PORT \/ PASV \u30b3\u30de\u30f3\u30c9\u3092\u89e3\u6790<\/li>\n\n\n\n<li>\u5236\u5fa1\u30c1\u30e3\u30cd\u30eb\uff0821\u756a\uff09\u3060\u3051 ACL \u3067\u8a31\u53ef\u3057\u3066\u304a\u3051\u3070\u3001<br>\u30c7\u30fc\u30bf\u7528\u30dd\u30fc\u30c8\u306f FW \u304c\u81ea\u52d5\u3067\u5224\u65ad\u3057\u3066\u958b\u3051\u308b<\/li>\n\n\n\n<li>PUT\/GET \u30b3\u30de\u30f3\u30c9\u3092\u898b\u3066\u300c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u7981\u6b62\u300d\u306a\u3069\u3082\u53ef\u80fd\uff08\u6a5f\u7a2e\u306b\u3088\u308b\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f539; DNS \u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DNS \u30e1\u30c3\u30bb\u30fc\u30b8\u30b5\u30a4\u30ba\u306e\u30c1\u30a7\u30c3\u30af\uff08DNS\u30a2\u30f3\u30d7\u653b\u6483\u5bfe\u7b56\u3084\u7570\u5e38\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u691c\u51fa\uff09<\/li>\n\n\n\n<li>\u4e0d\u6b63\u306a\u5f62\u5f0f\u306e\u30af\u30a8\u30ea\u3092\u30d6\u30ed\u30c3\u30af<\/li>\n\n\n\n<li>DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u306e\u4e00\u90e8\u691c\u51fa\u306b\u5bc4\u4e0e\uff08\u9ad8\u5ea6\u306a\u306e\u306f IPS \u9818\u57df\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f539; SIP \/ H.323 \/ RTSP \u306a\u3069\uff08VoIP\u30fb\u30e1\u30c7\u30a3\u30a2\u7cfb\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>INVITE \/ SDP \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e2d\u306e <strong>\u30e1\u30c7\u30a3\u30a2\u30dd\u30fc\u30c8\u60c5\u5831<\/strong> \u3092\u8aad\u3080<\/li>\n\n\n\n<li>\u305d\u3053\u306b\u66f8\u304b\u308c\u3066\u3044\u308b IP:port \u3060\u3051\u4e00\u6642\u7684\u306b\u8a31\u53ef<br>\u2192 \u300c\u5168\u90e8\u306e\u9ad8\u756a\u30dd\u30fc\u30c8\u3092\u958b\u3051\u306a\u304f\u3066\u3082 VoIP \u3092\u901a\u305b\u308b\u300d<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f539; SMTP \/ POP3 \/ IMAP<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30fc\u30eb\u306e\u30b3\u30de\u30f3\u30c9\u30fb\u30d8\u30c3\u30c0\u3092\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u30b5\u30a4\u30ba\u3001\u5b9b\u5148\u30c9\u30e1\u30a4\u30f3\u306a\u3069\u3067\u5236\u5fa1<\/li>\n\n\n\n<li>\u4e00\u90e8\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u7684\u306a\u6319\u52d5\u3092\u30d6\u30ed\u30c3\u30af\uff08\u9ad8\u5ea6\u306a\u90e8\u5206\u306f IPS\/AV\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. ASA \/ Firepower \u3067\u306e\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u306e\u4f4d\u7f6e\u3065\u3051<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f538; ASA\uff08\u30af\u30e9\u30b7\u30c3\u30af\uff09\u3067\u306f<\/h3>\n\n\n\n<p>ASA \u3067\u306f <strong>MPF\uff08Modular Policy Framework\uff09<\/strong> \u3092\u4f7f\u3063\u3066 L7\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u30a4\u30e1\u30fc\u30b8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class-map inspection_default\n match default-inspection-traffic\n\npolicy-map global_policy\n class inspection_default\n  inspect dns\n  inspect ftp\n  inspect http\n  inspect icmp\n  inspect icmp error\n  inspect sip\n  ...\n!\nservice-policy global_policy global<\/code><\/pre>\n\n\n\n<p><code>class-map inspection_default<\/code>\uff1a\u3088\u304f\u4f7f\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u307e\u3068\u3081\u305f\u30af\u30e9\u30b9<\/p>\n\n\n\n<p><code>policy-map global_policy<\/code>\uff1a\u4e0a\u8a18\u306b\u5bfe\u3057\u3066 <code>inspect xxx<\/code> \u3092\u6709\u52b9\u5316<\/p>\n\n\n\n<p><code>service-policy ... global<\/code>\uff1a\u5168\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u9069\u7528<\/p>\n\n\n\n<p>\u300cinspect http\u300d\u300cinspect ftp\u300d\u306a\u3069\u304c <strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u306eON<\/strong> \u3060\u3068\u601d\u3063\u3066OK\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f8b\uff1aHTTP\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3092\u7d30\u304b\u304f\u3059\u308b<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>policy-map type inspect http HTTP_POLICY\n parameters\n  protocol-violation action drop-connection log\n  max-header-length 8192\n  max-url-length 1024\n!\npolicy-map global_policy\n class inspection_default\n  inspect http HTTP_POLICY\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3046\u3059\u308b\u3068\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RFC\u9055\u53cd\u306eHTTP\u306f\u30c9\u30ed\u30c3\u30d7\uff06\u30ed\u30b0<\/li>\n\n\n\n<li>\u7570\u5e38\u306b\u9577\u3044URL\u3084\u30d8\u30c3\u30c0\u3082\u30c9\u30ed\u30c3\u30d7<\/li>\n<\/ul>\n\n\n\n<p>\u306a\u3069\u306e\u5236\u5fa1\u304c\u53ef\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. L7\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3068\u300cURL\u30d5\u30a3\u30eb\u30bf\u300d\u300cIPS\u300d\u3068\u306e\u9055\u3044<\/h2>\n\n\n\n<p>\u3088\u304f\u6df7\u3056\u308b\u306e\u3067\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">  Application Inspection\uff08L7\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTP\/FTP\/DNS\/SIP \u306a\u3069\u306e\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u69cb\u9020\u300d\u3092\u7406\u89e3\u3057\u3066\u51e6\u7406<\/li>\n\n\n\n<li>\u30d7\u30ed\u30c8\u30b3\u30eb\u9055\u53cd\u30fb\u5909\u306a\u30b5\u30a4\u30ba\u30fb\u5909\u306a\u30b3\u30de\u30f3\u30c9\u3092\u691c\u51fa<\/li>\n\n\n\n<li>FTP\u3084SIP\u306e\u3088\u3046\u306a <strong>\u8907\u96d1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u52d5\u4f5c\u88dc\u52a9\uff08ALG\uff09<\/strong> \u3082\u62c5\u5f53<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">  URL\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u300c\u3069\u306e URL \/ \u30c9\u30e1\u30a4\u30f3 \/ \u30ab\u30c6\u30b4\u30ea\u306e\u30b5\u30a4\u30c8\u304b\uff1f\u300d\u3067\u5236\u5fa1<\/li>\n\n\n\n<li>\u30ab\u30c6\u30b4\u30eaDB\uff08\u30ae\u30e3\u30f3\u30d6\u30eb\/\u30a2\u30c0\u30eb\u30c8\/SNS\/\u30cb\u30e5\u30fc\u30b9\u2026\uff09\u3092\u53c2\u7167<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">  IPS \/ IDS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e2\u77e5\u306e\u653b\u6483\u30b7\u30b0\u30cd\u30c1\u30e3\u3067\u691c\u67fb<\/li>\n\n\n\n<li>\u300c\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3053\u306e\u8106\u5f31\u6027\u653b\u6483\u300d\u3068\u3044\u3046\u5f62\u3067\u691c\u51fa\u30fb\u30d6\u30ed\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<p> \u2192L7\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u306f\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6587\u6cd5\u30c1\u30a7\u30c3\u30af\uff0b\u52d5\u4f5c\u306e\u88dc\u52a9\u300d<br> \u2192 URL\u30d5\u30a3\u30eb\u30bf\u30fbIPS\u306f\u305d\u306e\u4e0a\u306b\u4e57\u308b<strong>\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30a4\u30e4<\/strong>\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. HTTPS\uff08\u6697\u53f7\u5316\uff09\u6642\u306e\u5236\u9650<\/h2>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u304c\u672c\u6c17\u3092\u51fa\u305b\u308b\u306e\u306f <strong>\u5e73\u6587\u306e\u3068\u304d\uff08HTTP\u306a\u3069\uff09<\/strong>\u3002<br>HTTPS \u306b\u306a\u308b\u3068\u4e2d\u8eab\u304c\u6697\u53f7\u5316\u3055\u308c\u308b\u306e\u3067\u3001FW\u304b\u3089\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9b\u5148IP<\/li>\n\n\n\n<li>\u30dd\u30fc\u30c8(443)<\/li>\n\n\n\n<li>SNI\uff08Server Name Indication\uff1a\u30a2\u30af\u30bb\u30b9\u5148\u30db\u30b9\u30c8\u540d\uff09\u304f\u3089\u3044<\/li>\n<\/ul>\n\n\n\n<p>\u3057\u304b\u898b\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3088\u308a\u6df1\u3044HTTP\u4e2d\u8eab\u3092\u898b\u305f\u3044\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TLS\u5fa9\u53f7\uff08SSL Decrypt \/ SSL Inspection\uff09<\/strong> \u3092\u6709\u52b9\u306b\u3057\u3066<\/li>\n\n\n\n<li>FW\u3067\u4e00\u65e6\u5fa9\u53f7 \u2192 L7\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3084IPS\/URL\u30d5\u30a3\u30eb\u30bf\u3092\u304b\u3051\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3068\u3044\u3046\u69cb\u6210\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\uff08\u4e3b\u306bNGFW\u3067\u3084\u308b\u4e16\u754c\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3068\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L7\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e2d\u8eab\uff08\u30b3\u30de\u30f3\u30c9\u30fb\u30d8\u30c3\u30c0\u30fbURL\u306a\u3069\uff09\u3092\u7406\u89e3\u3057\u3066<\/li>\n\n\n\n<li>\u7570\u5e38\u3084\u5371\u967a\u306a\u632f\u308b\u821e\u3044\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3064\u3064<\/li>\n\n\n\n<li>FTP\/SIP\u306a\u3069\u8907\u96d1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u305f\u3081\u306b<br><strong>\u5fc5\u8981\u306a\u30dd\u30fc\u30c8\u3060\u3051\u3092\u81ea\u52d5\u3067\u958b\u3051\u308b\u982d\u8133<\/strong> \u306e\u3088\u3046\u306a\u5f79\u5272<\/li>\n<\/ul>\n\n\n\n<p>ASA \u3067\u306f <code>inspect http \/ ftp \/ dns \/ sip ...<\/code> \u306e\u8a2d\u5b9a\u304c\u3001<br>\u307e\u3055\u306b\u3053\u306e <strong>Application Layer Inspection<\/strong> \u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Application Layer Inspection \u3068\u306f\uff1f \u7c21\u5358\u306b\u3044\u3046\u3068\uff1a L7\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff09\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e2d\u8eab\u3092\u7406\u89e3\u3057\u3066\u3001\u6b63\u3057\u3044\u901a\u4fe1\u304b\u30fb\u8a31\u53ef\u3059\u3079\u304d\u5185\u5bb9\u304b\u3092\u5224\u65ad\u3059\u308b\u6a5f\u80fd \u5f93\u6765\u306e ACL \u3084\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1736","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1736"}],"version-history":[{"count":2,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1736\/revisions"}],"predecessor-version":[{"id":1738,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1736\/revisions\/1738"}],"wp:attachment":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}