{"id":8293,"date":"2018-03-07T13:57:18","date_gmt":"2018-03-07T04:57:18","guid":{"rendered":"https:\/\/cloud.sakura.ad.jp\/news\/?p=8293"},"modified":"2018-03-07T14:08:49","modified_gmt":"2018-03-07T05:08:49","slug":"service-listen-port","status":"publish","type":"post","link":"https:\/\/cloud.sakura.ad.jp\/news\/2018\/03\/07\/service-listen-port\/","title":{"rendered":"\u8d77\u52d5\u30b5\u30fc\u30d3\u30b9\u306e\u30dd\u30fc\u30c8\u4f7f\u7528\u72b6\u6cc1\u8abf\u67fb\u306b\u3064\u3044\u3066\u306e\u304a\u9858\u3044"},"content":{"rendered":"<p><a href=\"https:\/\/www.sakura.ad.jp\/news\/sakurainfo\/newsentry.php?id=1885\">\u5148\u65e5\u3088\u308a\u304a\u77e5\u3089\u305b\u3057\u3066\u304a\u308a\u307e\u3059\u3068\u304a\u308a<\/a>\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u516c\u958b\u3055\u308c\u305f\u30b5\u30fc\u30d0\u4e0a\u3067\u8d77\u52d5\u3055\u308c\u308bmemcached\u306e\u30dd\u30fc\u30c8\u3092\u5bfe\u8c61\u3068\u3057\u305f\u653b\u6483\u304c\u983b\u767a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5f37\u56fa\u306a\u8a8d\u8a3c\u3084\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u6301\u305f\u305a\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5074\u3078\u306e\u958b\u653e\u3092\u60f3\u5b9a\u3057\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d0\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u5916\u90e8\u3088\u308a\u7121\u5236\u9650\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u72b6\u614b\u3068\u306a\u308b\u3068\u3001\u4eca\u56de\u306e\u3088\u3046\u306a\u653b\u6483\u306b\u6652\u3055\u308c\u3001\u304a\u5ba2\u69d8\u30b5\u30fc\u30d0\u5185\u306b\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u6d41\u51fa\u306e\u307f\u306a\u3089\u305a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5897\u5927\u3084\u5916\u90e8\u30db\u30b9\u30c8\u3078\u306e\u653b\u6483\u306b\u3088\u308a\u4ed6\u306e\u304a\u5ba2\u69d8\u3078\u306e\u3054\u8ff7\u60d1\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3064\u304d\u307e\u3057\u3066\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u30e6\u30fc\u30b6\u304c\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30b5\u30fc\u30d3\u30b9(HTTP\u306e80\u756a\u30dd\u30fc\u30c8\u3084SMTP\u306e25\u756a\u30dd\u30fc\u30c8\u306a\u3069)\u306e\u4ed6\u306b\u3001\u4e3b\u306b\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u901a\u4fe1\u3092\u60f3\u5b9a\u3057\u305f\u30b5\u30fc\u30d3\u30b9(MySQL\u306e3306\u756a\u30dd\u30fc\u30c8\u3084NFS\u306e2049\u756a\u30dd\u30fc\u30c8\u306a\u3069)\u306e\u30dd\u30fc\u30c8\u304c\u958b\u653e\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3092\u3054\u78ba\u8a8d\u3044\u305f\u3060\u304d\u3001\u5404\u30b5\u30fc\u30d0\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u5099\u308f\u308b\u5236\u9650\u6a5f\u69cb\u306e\u8a2d\u5b9a\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306a\u3069\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u5b9f\u65bd\u3001\u307e\u305f\u3001\u610f\u56f3\u305b\u305a\u958b\u653e\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u306f\u30b5\u30fc\u30d3\u30b9\u3092\u505c\u6b62\u3059\u308b\u306a\u3069\u306e\u3054\u5bfe\u5fdc\u3092\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u304a\u5ba2\u69d8\u306e\u8a2d\u5b9a\u4e0d\u5099\u306b\u3088\u308a\u6025\u6fc0\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5897\u5927\u3084\u4ed6\u30db\u30b9\u30c8\u3078\u306e\u653b\u6483\u304c\u78ba\u8a8d\u3055\u308c\u305f\u5834\u5408\u3001\u4e8b\u524d\u306e\u3054\u9023\u7d61\u7121\u3057\u306b\u304a\u5ba2\u69d8\u30b5\u30fc\u30d0\u306e\u505c\u6b62\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u906e\u65ad\u3092\u5b9f\u65bd\u3055\u305b\u3066\u3044\u305f\u3060\u304f\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5f0a\u793e\u8a2d\u5099\u306e\u5b89\u5b9a\u7684\u306a\u904b\u7528\u306e\u305f\u3081\u3001\u4f55\u5352\u3054\u5354\u529b\u3092\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<h3>\u53c2\u80031: CentOS7\u7cfb\u74b0\u5883\u3067\u306e\u958b\u653e\u30dd\u30fc\u30c8\u78ba\u8a8d\u65b9\u6cd5<\/h3>\n<p>CentOS7\u7cfb\u3067\u306f\u3001\u6a19\u6e96\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308bss\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u78ba\u8a8d\u304c\u53ef\u80fd\u3067\u3059\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3057\u306a\u3044\u3068UNIX\u30c9\u30e1\u30a4\u30f3\u306a\u3069\u5168\u3066\u306e\u30bd\u30b1\u30c3\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001TCP\/UDP\u3067Listen\u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u306e\u307f\u3092\u8868\u793a\u3055\u305b\u308b&#8221;-tul state listening&#8221;\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u203b\u5b9f\u969b\u306e\u8868\u793a\u3068\u306f\u4e00\u90e8\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>\r\n[root@test ~]# ss -tul state listening\r\nNetid Recv-Q Send-Q    Local Address:Port        Peer Address:Port   \r\ntcp   0      50                    *:mysql                  *:*       \r\ntcp   0      128                   *:ssh                    *:*       \r\ntcp   0      100           127.0.0.1:smtp                   *:*       \r\ntcp   0      128                  :::http                  :::*       \r\ntcp   0      128                  :::ssh                   :::*       \r\ntcp   0      100                 ::1:smtp                  :::*       \r\ntcp   0      128                  :::https                 :::*\r\n<\/pre>\n<p>\u610f\u56f3\u305b\u305a\u30dd\u30fc\u30c8\u304c\u958b\u653e\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u3001\u8ffd\u52a0\u3067&#8221;-p&#8221;\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u305d\u306e\u30dd\u30fc\u30c8\u3092\u5360\u6709\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u540d\u3068\u30d7\u30ed\u30bb\u30b9ID\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre>\r\n[root@test ~]# ss -tulp state listening\r\nNetid  Recv-Q Send-Q    Local Address:Port        Peer Address:Port   \r\ntcp    0      50                    *:mysql                  *:*        users:((\"mysqld\",934,14))\r\ntcp    0      128                   *:ssh                    *:*        users:((\"sshd\",712,3))\r\ntcp    0      100           127.0.0.1:smtp                   *:*        users:((\"master\",993,13))\r\ntcp    0      128                  :::http                  :::*        users:((\"httpd\",27054,4),(\"httpd\",17112,4),(\"httpd\",17110,4))\r\ntcp    0      128                  :::ssh                   :::*        users:((\"sshd\",712,4))\r\ntcp    0      100                 ::1:smtp                  :::*        users:((\"master\",993,14))\r\ntcp    0      128                  :::https                 :::*        users:((\"httpd\",27054,6),(\"httpd\",17112,6),(\"httpd\",17110,6))\r\n<\/pre>\n<p>\u8868\u793a\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9ID\u3092\u3082\u3068\u306b\u4e0d\u8981\u306a\u30dd\u30fc\u30c8\u3092Listen\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u7279\u5b9a\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u505c\u6b62\u3084\u30a2\u30af\u30bb\u30b9\u5236\u9650\u8a2d\u5b9a\u306e\u518d\u78ba\u8a8d\u30fb\u8ffd\u52a0\u306a\u3069\u306b\u3088\u308a\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u304c\u884c\u308f\u308c\u306a\u3044\u3088\u3046\u5bfe\u5fdc\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u4e0d\u5fc5\u8981\u306a\u30b5\u30fc\u30d3\u30b9\u306fsystemctl\u30b3\u30de\u30f3\u30c9\u306a\u3069\u3092\u4f7f\u7528\u3057\u3001\u30b5\u30fc\u30d0\u8d77\u52d5\u6642\u306b\u81ea\u52d5\u7684\u306b\u8d77\u52d5\u3057\u306a\u3044\u3088\u3046\u306b\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u203b\u8d77\u52d5\u4e2d\u306eHTTP\u30b5\u30fc\u30d3\u30b9(Apache)\u3092\u505c\u6b62\u3057\u3001\u30d6\u30fc\u30c8\u6642\u306b\u540c\u6642\u8d77\u52d5\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u8a2d\u5b9a\u4f8b<\/p>\n<pre>\r\n# systemctl stop httpd\r\n# systemctl disable httpd\r\n<\/pre>\n<h3>\u53c2\u80032: \u300c\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u300d\u6a5f\u80fd\u306b\u3088\u308b\u63a5\u7d9a\u5236\u9650<\/h3>\n<p>\u3055\u304f\u3089\u306e\u30af\u30e9\u30a6\u30c9\u3067\u306f\u300c\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u300d\u6a5f\u80fd\u306b\u3088\u308a\u3001\u4f5c\u6210\u3057\u305f\u30b5\u30fc\u30d0\u306eNIC\u3054\u3068\u306b\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u5185\u3067\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u306a\u3069\u3092\u884c\u308f\u305a\u306b\u4e0d\u8981\u306a\u30dd\u30fc\u30c8\u3078\u306e\u5916\u90e8\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u3092\u906e\u65ad\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u306e\u65b0\u898f\u30eb\u30fc\u30eb\u4f5c\u6210\u6642\u306f\u300c\u30d7\u30ea\u30bb\u30c3\u30c8\u300d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u3042\u3089\u304b\u3058\u3081\u8a2d\u5b9a\u6e08\u307f\u306e\u30eb\u30fc\u30eb\u3092\u57fa\u306b\u304a\u5ba2\u69d8\u74b0\u5883\u306b\u5408\u308f\u305b\u305f\u5236\u9650\u8a2d\u5b9a\u3092\u76db\u308a\u8fbc\u3093\u3060\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u30d7\u30ea\u30bb\u30c3\u30c8\u300c\u4e0d\u8981\u30dd\u30fc\u30c8\u306e\u30d5\u30a3\u30eb\u30bf(Linux\u7528)\u300d\u3092\u9078\u629e\u3057\u300125\u756a(SMTP)\u30fb80\u756a(HTTP)\u30fb110\u756a(POP3)\u30fb68\u756a(DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8, UDP)\u306e\u4ee3\u8868\u7684\u306a\u30b5\u30fc\u30d3\u30b9\u306e\u30dd\u30fc\u30c8\u958b\u653e\u300122\u756a(SSH)\u30dd\u30fc\u30c8\u3078\u306e\u4efb\u610f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5e2f\u57df\u304b\u3089\u306e\u307f\u306e\u63a5\u7d9a\u5236\u9650\u3001123\u756a(NTP)\u30dd\u30fc\u30c8\u3078\u306e\u4efb\u610f\u306eNTP\u30b5\u30fc\u30d0\u304b\u3089\u306e\u307f\u306e\u63a5\u7d9a\u5236\u9650\u3092\u884c\u3044\u3001\u305d\u308c\u4ee5\u5916\u306e\u4ed6\u306e\u30dd\u30fc\u30c8\u3078\u306e\u63a5\u7d9a\u306f\u5168\u3066\u62d2\u5426\u3059\u308b\u3053\u3068\u3067\u610f\u56f3\u3057\u306a\u3044\u30dd\u30fc\u30c8\u958b\u653e\u3092\u9632\u3050\u5834\u5408\u306e\u8a2d\u5b9a\u4f8b\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/cloud.sakura.ad.jp\/news\/wp-content\/uploads\/2018\/03\/pf1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cloud.sakura.ad.jp\/news\/wp-content\/uploads\/2018\/03\/pf1.png\" alt=\"\" width=\"1095\" height=\"932\" class=\"aligncenter size-full wp-image-8296\" \/><\/a><\/p>\n<p>\u4f5c\u6210\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u306f\u3001\u5236\u9650\u8a2d\u5b9a\u3057\u305f\u3044NIC\u306b\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u6709\u52b9\u3068\u306a\u308a\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<a href=\"https:\/\/manual.sakura.ad.jp\/cloud\/network\/packet-filter.html\">\u300c\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u300d<\/a>\u306e\u30da\u30fc\u30b8\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u53c2\u80033: 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