{"id":1715,"date":"2025-12-04T18:48:56","date_gmt":"2025-12-04T09:48:56","guid":{"rendered":"https:\/\/mylifeisbeautiful555.net\/?page_id=1715"},"modified":"2025-12-05T06:28:27","modified_gmt":"2025-12-04T21:28:27","slug":"firewall%e3%81%ae%e4%b8%bb%e3%81%aa%e6%a9%9f%e8%83%bd%e4%b8%80%e8%a6%a7","status":"publish","type":"page","link":"https:\/\/mylifeisbeautiful555.net\/?page_id=1715","title":{"rendered":"Firewall\u306e\u4e3b\u306a\u6a5f\u80fd\u4e00\u89a7"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. <strong>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IP\u30a2\u30c9\u30ec\u30b9\u30fb\u30dd\u30fc\u30c8\u756a\u53f7\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u57fa\u6e96\u306bL3\u301cL4 \u30ec\u30d9\u30eb\u3067\u901a\u4fe1\u3092\u8a31\u53ef \/ \u62d2\u5426\u3059\u308b\u3002<\/li>\n\n\n\n<li>Cisco \u3067\u306f <code>access-list<\/code>\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b\u3002<\/li>\n\n\n\n<li>\u6700\u3082\u57fa\u672c\u7684\u306a FW \u6a5f\u80fd<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. <strong>\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASA\/Firepower \u306e\u57fa\u672c\u52d5\u4f5c<\/li>\n\n\n\n<li>\u884c\u304d\u3068\u5e30\u308a\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u540c\u3058\u7d4c\u8def\u3092\u901a\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u901a\u4fe1\u3092\u7ba1\u7406\u3057\u3066\u304a\u308a\u3001\u300c\u884c\u304d\u300d\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u6b63\u3057\u304f\u51e6\u7406\u3055\u308c\u306a\u3044\u3068\u3001\u300c\u5e30\u308a\u300d\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u6765\u3066\u3082\u3001\u305d\u306e\u901a\u4fe1\u304c\u4f55\u306b\u5bfe\u5fdc\u3059\u308b\u3082\u306e\u304b\u5224\u65ad\u3067\u304d\u305a\u3001\u30d6\u30ed\u30c3\u30af\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. <strong>NAT\uff08\u30a2\u30c9\u30ec\u30b9\u5909\u63db\uff09<\/strong><\/h2>\n\n\n\n<p>\u30fbStatic NAT\uff08\u56fa\u5b9a\uff09<br>\u30fbDynamic NAT\uff08\u52d5\u7684\uff09<br>\u30fbPAT\uff08\u30dd\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u5909\u63db\uff09<br>\u30fbTwice NAT \/ Policy NAT\uff08\u6761\u4ef6\u4ed8\u304d NAT\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. <strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTP\u30fbFTP\u30fbDNS\u30fbSIP \u306a\u3069 L7 \u3092\u89e3\u6790<\/li>\n\n\n\n<li>Cisco ASA \u2192 <code>policy-map type inspect dns\/http\/ftp<\/code><\/li>\n\n\n\n<li>Firepower \u2192 L7 \u30c7\u30b3\u30fc\u30c9\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u691c\u8a3c<\/li>\n<\/ul>\n\n\n\n<p>HTTP\/FTP \u306e\u30dd\u30fc\u30c8\u4ee5\u5916\u3067\u306e\u4e0d\u6b63\u5229\u7528\u3092\u691c\u51fa\u53ef\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. <strong>IPS\/IDS\uff08\u4fb5\u5165\u691c\u77e5\u30fb\u9632\u5fa1\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e2\u77e5\u653b\u6483\u30b7\u30b0\u30cd\u30c1\u30e3\u3067\u30d1\u30b1\u30c3\u30c8\u3092\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3001DoS\u3001\u8106\u5f31\u6027\u653b\u6483\u3092\u691c\u51fa<\/li>\n\n\n\n<li>Firepower Threat Defense\uff08FTD\uff09\u3067\u5f37\u529b<\/li>\n\n\n\n<li>ASA \u306f\u5225\u30e2\u30b8\u30e5\u30fc\u30eb\uff08\u65e7 ASA+IPS\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6. <strong>URL \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ae\u30e3\u30f3\u30d6\u30eb\u3001\u30a2\u30c0\u30eb\u30c8\u3001SNS \u306a\u3069\u30ab\u30c6\u30b4\u30ea\u5225\u30d6\u30ed\u30c3\u30af<\/li>\n\n\n\n<li>Firepower \/ FortiGate \/ Palo Alto \u3067\u5229\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>ASA \u5358\u4f53\u3067\u306f\u4e0d\u53ef\uff08\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3068\u9023\u643a\u304c\u5fc5\u8981\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. <strong>VPN\uff08Virtual Private Network\uff09<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f539; <strong>IPsec VPN\uff08Site-to-Site\uff09<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62e0\u70b9\u9593\u306e\u6697\u53f7\u5316\u30c8\u30f3\u30cd\u30eb<\/li>\n\n\n\n<li>ASA\/Firepower: <code>crypto ikev1\/ikev2<\/code>, <code>crypto ipsec<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">&#x1f539; <strong>SSL-VPN\uff08\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\uff09<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cisco Secure Client (AnyConnect) \u3067\u63a5\u7d9a<\/li>\n\n\n\n<li>\u8a3c\u660e\u66f8\/\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u5229\u7528<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">8. <strong>\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u30fbAAA<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u793e\u306eID\uff08AD\/RADIUS\/LDAP\uff09\u3068\u9023\u643a<\/li>\n\n\n\n<li>VPN\u30ed\u30b0\u30a4\u30f3\u3084FW\u7ba1\u7406\u306b\u5229\u7528<\/li>\n\n\n\n<li>Firepower \u306f FMC\/FTD \u3067 AAA \u8a2d\u5b9a\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>ASA \u306f <code>aaa authentication<\/code> \u3067\u7d30\u304b\u304f\u8a2d\u5b9a\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">9. <strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6a5f\u80fd<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9759\u7684\/\u52d5\u7684\uff08OSPF \/ BGP \/ RIP\uff09\u3092\u30b5\u30dd\u30fc\u30c8<\/li>\n\n\n\n<li>\u305f\u3060\u3057\u300c\u672c\u683c\u7684\u306a\u30eb\u30fc\u30bf\u30fc\u307b\u3069\u5f37\u304f\u306a\u3044\u300d<\/li>\n\n\n\n<li>FW \u306a\u306e\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u88dc\u52a9\u7684<\/li>\n\n\n\n<li>Firepower \u306f FTD 6.x\u301c\u304b\u3089 BGP\/OSPF \u304c\u5f37\u5316<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">10. <strong>\u9ad8\u53ef\u7528\u6027\uff08HA \u30af\u30e9\u30b9\u30bf\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Active\/Standby \u307e\u305f\u306f Active\/Active<\/li>\n\n\n\n<li>\u8a2d\u5b9a\u540c\u671f<\/li>\n\n\n\n<li>ASA\/Firepower\u3001FortiGate\u3001Palo Alto \u3067\u5229\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>\u4f8b\uff1aASA \u2192 <code>failover<\/code> \u69cb\u6210<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">11. <strong>SSL\/TLS \u5fa9\u53f7\uff08Decryption\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTPS \u306e\u4e2d\u8eab\u3092\u5fa9\u53f7\u3057\u3066 IPS\/URL \u30d5\u30a3\u30eb\u30bf\u306b\u304b\u3051\u308b<\/li>\n\n\n\n<li>Firepower \/ Palo Alto \/ FortiGate \u3067\u5f37\u529b<\/li>\n\n\n\n<li>ASA \u5358\u4f53\u306f\u4e0d\u53ef\uff08SSL VPN \u306e\u307f\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">12. <strong>\u30ed\u30b0\u30fb\u76e3\u67fb\u6a5f\u80fd<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Syslog \u51fa\u529b<\/li>\n\n\n\n<li>Connection log\uff08\u63a5\u7d9a\u30ed\u30b0\uff09<\/li>\n\n\n\n<li>Threat log\uff08IPS\u30ed\u30b0\uff09<\/li>\n\n\n\n<li>Firepower \u306f FMC \u3067\u53ef\u8996\u5316\u304c\u975e\u5e38\u306b\u5f37\u529b<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u307e\u3068\u3081\uff1aFW\u306f\u300c\u901a\u4fe1\u5236\u5fa1\uff0b\u53ef\u8996\u5316\uff0b\u8105\u5a01\u9632\u5fa1\u300d\u304c\u57fa\u672c<\/strong><\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5206\u985e<\/th><th>\u6a5f\u80fd<\/th><\/tr><\/thead><tbody><tr><td>\u57fa\u672c<\/td><td>ACL, Stateful, NAT<\/td><\/tr><tr><td>L7<\/td><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3<\/td><\/tr><tr><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/td><td>IPS\/IDS, URL\u30d5\u30a3\u30eb\u30bf, Malware\u9632\u5fa1<\/td><\/tr><tr><td>\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9<\/td><td>IPsec \/ SSL VPN<\/td><\/tr><tr><td>\u904b\u7528<\/td><td>\u30ed\u30b0, \u53ef\u8996\u5316, HA\u69cb\u6210<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>1. \u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0 2. \u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3 3. NAT\uff08\u30a2\u30c9\u30ec\u30b9\u5909\u63db\uff09 \u30fbStatic NAT\uff08\u56fa\u5b9a\uff09\u30fbDynamic NAT\uff08\u52d5\u7684\uff09\u30fbPAT\uff08\u30dd\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u5909\u63db\uff09\u30fbTwice NAT \/ Pol [&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-1715","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1715","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=1715"}],"version-history":[{"count":4,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1715\/revisions"}],"predecessor-version":[{"id":1724,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1715\/revisions\/1724"}],"wp:attachment":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}