{"id":1720,"date":"2025-12-05T03:10:53","date_gmt":"2025-12-04T18:10:53","guid":{"rendered":"https:\/\/mylifeisbeautiful555.net\/?page_id=1720"},"modified":"2025-12-05T03:10:53","modified_gmt":"2025-12-04T18:10:53","slug":"%e3%83%91%e3%82%b1%e3%83%83%e3%83%88%e3%83%95%e3%82%a3%e3%83%ab%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%ef%bc%88acl%ef%bc%89%e3%81%a8%e3%81%af%ef%bc%9f","status":"publish","type":"page","link":"https:\/\/mylifeisbeautiful555.net\/?page_id=1720","title":{"rendered":"\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\uff08ACL\uff09\u3068\u306f\uff1f"},"content":{"rendered":"\n<p>ACL\uff08Access Control List\uff09\u306f\u3001<strong>\u901a\u4fe1\u306e\u300c\u8a31\u53ef \/ \u62d2\u5426\u300d\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u30eb\u30fc\u30eb\u96c6\u5408<\/strong>\u3067\u3059\u3002<br>\u4e3b\u306b\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u57fa\u6e96\u306b\u901a\u4fe1\u3092\u5236\u5fa1\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9<\/li>\n\n\n\n<li>\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/li>\n\n\n\n<li>\u30d7\u30ed\u30c8\u30b3\u30eb\uff08TCP\/UDP\/ICMP\u306a\u3069\uff09<\/li>\n\n\n\n<li>\u30dd\u30fc\u30c8\u756a\u53f7\uff0880, 443, 22\u2026\uff09<\/li>\n\n\n\n<li>TCP\u30d5\u30e9\u30b0\uff08SYN\/ACK \u306a\u3069\uff09<\/li>\n\n\n\n<li>\u30bf\u30a4\u30e0\u30ec\u30f3\u30b8\uff08Time-based ACL\uff09<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fcID\uff08AAA\u9023\u643a\u6642\uff09<\/li>\n<\/ul>\n\n\n\n<p>ACL \u306f\u300cL3\u301cL4\u300d\u3067\u52d5\u304f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3067\u3001FW \u306e\u6700\u3082\u57fa\u672c\u7684\u306a\u30b3\u30a2\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\uff11. ACL \u306e\u7a2e\u985e\uff08Cisco\u57fa\u6e96\u3067\u7406\u89e3\u3059\u308b\u3068\u660e\u78ba\uff09<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u2460 <strong>\u6a19\u6e96ACL\uff08Standard ACL\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\uff1a\u9001\u4fe1\u5143 IP \u306e\u307f<\/li>\n\n\n\n<li>\u7cbe\u5ea6\u304c\u4f4e\u3044\uff08\u5b9b\u5148\u3084\u30dd\u30fc\u30c8\u3092\u898b\u306a\u3044\uff09<\/li>\n\n\n\n<li>\u203bFW \u3067\u306f\u307b\u3068\u3093\u3069\u4f7f\u308f\u308c\u306a\u3044\uff08\u30eb\u30fc\u30bf\u5411\u3051\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2461 <strong>\u62e1\u5f35ACL\uff08Extended ACL\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9001\u4fe1\u5143\u30fb\u5b9b\u5148IP\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u30dd\u30fc\u30c8\u756a\u53f7\u307e\u3067\u5224\u5b9a<\/strong><\/li>\n\n\n\n<li>Firewall \u306e\u6a19\u6e96\u7684ACL\u304c\u3053\u308c<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2462 <strong>\u52d5\u7684ACL\uff08Dynamic \/ Lock-and-Key\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a8d\u8a3c\u5f8c\u306b\u4e00\u6642\u7684\u306bACL\u3092\u958b\u3051\u308b<\/li>\n\n\n\n<li>VPN\u3084\u4e00\u6642\u30a2\u30af\u30bb\u30b9\u306b\u4f7f\u3048\u308b<\/li>\n\n\n\n<li>ASA\/FTD \u3067\u306f\u3042\u307e\u308a\u4f7f\u308f\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2463 <strong>\u6642\u9593\u30d9\u30fc\u30b9ACL\uff08Time-based ACL\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66dc\u65e5\u30fb\u6642\u9593\u3067 ACL \u3092\u6709\u52b9\u5316<\/li>\n\n\n\n<li>\u300c\u696d\u52d9\u6642\u9593\u3060\u3051\u8a31\u53ef\u300d\u306e\u3088\u3046\u306a\u904b\u7528\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>2. Firewall \u3067\u306e ACL \u306e\u50cd\u304d\uff08\u30eb\u30fc\u30bf\u30fc\u3068 FW \u306f\u9055\u3046\uff09<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u30eb\u30fc\u30bf\u30fc\uff1a<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ACL = <strong>\u30d1\u30b1\u30c3\u30c8\u3092\u5358\u7d14\u306b\u8a31\u53ef\/\u62d2\u5426\u3059\u308b\u3060\u3051<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6Firewall\uff1a<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ACL\uff0b\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3067\u52d5\u4f5c<\/strong><\/li>\n\n\n\n<li>OUT\u2192IN\u306e\u623b\u308a\u901a\u4fe1\u306f ACL \u304c\u306a\u304f\u3066\u3082\u8a31\u53ef\uff08stateful\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\uff1a<br>LAN\u2192\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078HTTP(80)\u3067\u5916\u3078\u51fa\u3066\u884c\u304f<br>\u2192 \u623b\u308aHTTP\u306e ACK\/ESTABLISHED \u30d1\u30b1\u30c3\u30c8\u306f\u81ea\u52d5\u8a31\u53ef\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>3. ACL \u306e\u8a55\u4fa1\u65b9\u6cd5\uff08\u3053\u308c\u91cd\u8981\uff09<\/strong><\/h1>\n\n\n\n<p>ACL \u306f\u300c\u4e0a\u304b\u3089\u9806\u306b\u8a55\u4fa1\u300d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">   \u2460 \u5148\u982d\u304b\u30891\u884c\u305a\u3064\u8a55\u4fa1<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">   \u2461 \u6700\u521d\u306b\u6761\u4ef6\u306b\u30de\u30c3\u30c1\u3057\u305f\u884c\u304c\u9069\u7528<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">   \u2462 \u3069\u308c\u306b\u3082\u30de\u30c3\u30c1\u3057\u306a\u3051\u308c\u3070\u6700\u5f8c\u306b\u300c\u6697\u9ed9\u306e deny\u300d<\/h2>\n\n\n\n<p>\u3064\u307e\u308a <strong>ACL \u306e\u6700\u5f8c\u306f\u5fc5\u305a\u62d2\u5426<\/strong><br>\uff08\u8a2d\u5b9a\u3057\u3066\u306a\u304f\u3066\u3082\u3001\u81ea\u52d5\u3067\uff09<\/p>\n\n\n\n<p>\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list OUTSIDE-IN extended permit tcp any host 203.0.113.10 eq 443\naccess-list OUTSIDE-IN extended permit icmp any host 203.0.113.10 echo\naccess-list OUTSIDE-IN extended deny ip any any   \u2190 \u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u304c\u5b58\u5728<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>4. ACL \u8a18\u8ff0\u306e\u65b9\u6cd5\uff08\u5b9f\u969b\u306e\u66f8\u304d\u65b9\uff09<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6 TCP\/UDP \u306e\u4f8b<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list OUTSIDE-IN extended permit <strong>tcp<\/strong> any host 203.0.113.10<strong> eq 443<\/strong><\/code><\/pre>\n\n\n\n<p>\u300c\u3069\u3053\u304b\u3089\u3067\u3082\u3001203.0.113.10 \u306e TCP 443 \u3092\u8a31\u53ef\u300d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6307\u5b9a<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list INSIDE-OUT extended permit ip 192.168.10.0 255.255.255.0 any<\/code><\/pre>\n\n\n\n<p>\u300c192.168.10.0\/24 \u304b\u3089\u5916\u90e8\u3078\u5411\u304b\u3046\u5168IP\u901a\u4fe1\u3092\u8a31\u53ef\u300d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6 ICMP \u306e\u4f8b<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list OUTSIDE-IN extended permit <strong>icmp<\/strong> any any echo-reply<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8(ASA)<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>object network WEB-SERVER\n host 203.0.113.10\n\nobject service HTTPS\n service tcp destination eq 443\n\naccess-list OUTSIDE-IN extended permit object HTTPS any object WEB-SERVER<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>5. ACL \u306e\u9069\u7528\uff08ASA\u306e\u4f8b\uff09<\/strong><\/h1>\n\n\n\n<p>ACL \u3092\u4f5c\u308b\u3060\u3051\u3067\u306f\u52d5\u304b\u306a\u3044\u3002<br>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u201c\u30d0\u30a4\u30f3\u30c9\u201d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>access-group OUTSIDE-IN in interface outside<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>in<\/code> \u2026 \u305d\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u5165\u3063\u3066\u304f\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n\n\n\n<li><code>out<\/code> \u2026 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304b\u3089\u51fa\u3066\u3044\u304f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<p><strong>\u901a\u5e38\u306f \u201cin\u201d \u306b\u9069\u7528\u3059\u308b\u3002<\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>6. ACL \u306e\u8a2d\u8a08\u30dd\u30a4\u30f3\u30c8\uff08\u30d7\u30ed\u304c\u898b\u308b\u8996\u70b9\uff09<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2460 \u5916\u90e8 \u2192 \u5185\u90e8\u306f\u300c\u62d2\u5426\u304c\u57fa\u672c\u3001\u4f8b\u5916\u8a31\u53ef\u300d<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2461 \u5185\u90e8 \u2192 \u5916\u90e8\u306f\u300c\u8a31\u53ef\u304c\u57fa\u672c\u3001\u4e0d\u8981\u901a\u4fe1\u306f\u62d2\u5426\u300d<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2462 \u30b5\u30d6\u30cd\u30c3\u30c8\u5358\u4f4d\u3067\u5206\u985e\uff08\u904e\u5270\u306a any \u306f\u5371\u967a\uff09<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2463 L3\u301cL4 \u306e\u307f\u3067\u9650\u754c\u304c\u3042\u308b<\/h3>\n\n\n\n<p>L7\u653b\u6483\u306f ACL \u3067\u306f\u9632\u3052\u306a\u3044 \u2192 IPS\/URL\u30d5\u30a3\u30eb\u30bf\u5c0e\u5165\u3078<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"> \u2464 \u7ba1\u7406\u7528\u30a2\u30af\u30bb\u30b9(SSH\/HTTPS)\u306f\u6700\u4e0a\u6bb5\u3067\u8a31\u53ef<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>7. ACL \u306e\u52d5\u4f5c\u78ba\u8a8d<\/strong><\/h1>\n\n\n\n<p>ASA:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show access-list<\/code><\/pre>\n\n\n\n<p>\u30d2\u30c3\u30c8\u30ab\u30a6\u30f3\u30c8\u4ed8\u304d\u3067\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list OUTSIDE-IN; 2 elements\naccess-list OUTSIDE-IN line 1 extended permit tcp any host 203.0.113.10 eq 443 (hitcnt=1543)<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>8. ACL \u904b\u7528\u306e\u5931\u6557\u4f8b<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\"> \u6700\u5f8c\u306b deny any any \u304c\u3042\u308b\u306e\u3092\u5fd8\u308c\u308b<\/h3>\n\n\n\n<p>\u2192 SSH \/ HTTPS \u306e\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u304c\u5168\u6ec5\u3002\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u8a31\u53ef\u306f ACL \u306e\u6700\u4e0a\u6bb5\u306b\u5165\u308c\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"> INSIDE \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3082\u4e0d\u5fc5\u8981\u306a OUT ACL \u3092\u3064\u3051\u308b<\/h3>\n\n\n\n<p>\u2192 \u5185\u90e8\u30e6\u30fc\u30b6\u30fc\u304c\u5916\u3078\u51fa\u3089\u308c\u306a\u304f\u306a\u308b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"> NAT \u3068 ACL \u306e\u9806\u5e8f\u3092\u7406\u89e3\u3057\u3066\u306a\u3044<\/h3>\n\n\n\n<p>\u2192 \u300cNAT\u5f8c\u306eIP\u3067 ACL \u5224\u5b9a\u300d \u304c ASA \u57fa\u672c<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u307e\u3068\u3081<\/strong><\/h1>\n\n\n\n<p>ACL\uff08\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\uff09\u306f FW \u306e\u57fa\u790e\u3060\u304c\u3001<br><strong>\u5b9f\u969b\u306f\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u3068 NAT \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u52d5\u4f5c\u3059\u308b<\/strong>\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L3\/4 \u3067\u901a\u4fe1\u306e\u8a31\u53ef\u30fb\u62d2\u5426<\/li>\n\n\n\n<li>\u4e0a\u304b\u3089\u9806\u306b\u8a55\u4fa1<\/li>\n\n\n\n<li>\u623b\u308a\u901a\u4fe1\u306f\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u3067\u81ea\u52d5\u8a31\u53ef<\/li>\n\n\n\n<li>NAT\u5f8c\u306eIP\u3067\u30eb\u30fc\u30eb\u8a55\u4fa1\uff08ASA\uff09<\/li>\n\n\n\n<li>ACL\uff0b\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\uff0bIPS \u3067\u5b8c\u5168\u9632\u5fa1\u306b\u306a\u308b<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ACL\uff08Access Control List\uff09\u306f\u3001\u901a\u4fe1\u306e\u300c\u8a31\u53ef \/ \u62d2\u5426\u300d\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u30eb\u30fc\u30eb\u96c6\u5408\u3067\u3059\u3002\u4e3b\u306b\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u57fa\u6e96\u306b\u901a\u4fe1\u3092\u5236\u5fa1\u3057\u307e\u3059\uff1a ACL \u306f\u300cL3\u301cL4\u300d\u3067\u52d5\u304f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3067\u3001FW \u306e\u6700\u3082\u57fa\u672c\u7684 [&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-1720","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1720","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=1720"}],"version-history":[{"count":1,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1720\/revisions"}],"predecessor-version":[{"id":1721,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1720\/revisions\/1721"}],"wp:attachment":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}