{"id":320317,"date":"2021-02-05T08:49:13","date_gmt":"2021-02-05T00:49:13","guid":{"rendered":"http:\/\/4563.org\/?p=320317"},"modified":"2021-02-05T08:49:13","modified_gmt":"2021-02-05T00:49:13","slug":"cidr-%e8%a1%a8%e7%a4%ba%e5%95%a5%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=320317","title":{"rendered":"CIDR \u8868\u793a\u5565\uff1f"},"content":{"rendered":"
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CIDR \u8868\u793a\u5565\uff1f <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : weifan <\/span> <\/i> 13<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

CIDR \u662f\u8868\u793a\u4e00\u4e2a\u4e3b\u673a IP \u5730\u5740\uff0c\u8fd8\u662f IP \u8303\u56f4\u5440\uff1f v \u53cb\u79d1\u666e\u4e00\u4e0b\uff0c\u6ca1\u67e5\u5230\u3002<\/p>\n

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  • \n

    CIDR\uff1a114.113.250.0\/24<\/p>\n<\/li>\n

  • \n

    192.168.1.1\/24 \u548c 192.168.1.0\/24 \u5565\u533a\u522b<\/p>\n<\/li>\n<\/ul><\/div>\n

    \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (5<\/span>) <\/div>\n
    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : Mithril <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u8303\u56f4\uff0c\u8868\u793a\u4e00\u4e2a\u5b50\u7f51\u3002\u5982\u679c\u4e0d\u662f\u5f88\u719f\u7684\u8bdd\uff0c\u624b\u52a8\u7b97\u8d77\u6765\u5f88\u9ebb\u70e6\u3002\u540e\u9762\u6307\u5b9a 24 \u7684\u8bdd\u8fd8\u597d\uff0c\u57fa\u672c\u4e0a\u76f8\u5f53\u4e8e 114.113.250.0 \u8fd9\u4e2a\u5b50\u7f51\uff0c\u5b50\u7f51\u63a9\u7801\u662f 255.255.255.0 \u3002\u4f46\u4e00\u822c\u4f7f\u7528\u7684\u65f6\u5019\u4f1a\u66f4\u7075\u6d3b\u4e00\u4e9b\uff0c\u6bd4\u5982\u7528 114.113.250.0\/20\uff0c\u6216\u8005 114.113.250.0\/18 \u8fd9\u79cd\u3002\u4e3b\u8981\u662f\u4e3a\u4e86\u66f4\u7075\u6d3b\u7684\u8868\u8fbe\u4e00\u4e2a\u5b50\u7f51\u3002
      192.168.1.1\/24 \u548c 192.168.1.0\/24 \u7528\u6765\u6307\u5b9a\u5b50\u7f51\u7684\u8bdd\u6ca1\u533a\u522b\uff0c\u4f60\u540e\u9762\u8fd9 24 \u4f4d\u6307\u5b9a\u4e86\u4e00\u4e2a\u4ece 192.168.1.1 \u5230 192.168.1.254 \u7684\u5b50\u7f51\u3002\u4e0d\u8fc7\u9ed8\u8ba4 192.168.1.0 \u6307\u7684\u662f\u8fd9\u4e2a\u5b50\u7f51\u672c\u8eab\uff0c192.168.1.1 \u662f\u7b2c\u4e00\u4e2a\u53ef\u7528\u7684\u5730\u5740\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
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      \u8cc7\u6df1\u5927\u4f6c : Tonni <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u6709\u5728\u7ebf\u5de5\u5177\u53ef\u4ee5\u76f4\u63a5\u7b97\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : capre <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u6bcf\u4e2a\u5341\u8fdb\u5236\u6570\u5b57\u8f6c\u6210 8 \u4f4d\u4e8c\u8fdb\u5236\uff0c\u7136\u540e\u4ece\u5de6\u5f80\u53f3\u6570\uff0c24 \u5c31\u662f\u8868\u793a 1-24 \u4f4d\u76f8\u540c\u5c31\u662f\u540c\u4e00\u4e2a\u5b50\u7f51\uff0c25-32 \u4f4d\u5c31\u662f\u8fd9\u4e2a\u5b50\u7f51\u7684\u4e3b\u673a\u53f7\uff0c\u5168\u4e3a\u96f6\u5c31\u662f\u7f51\u7edc\u672c\u8eab\uff0c\u5168\u4e3a 1 \u5c31\u662f\u5e7f\u64ad\u5730\u5740 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : Lemeng <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      @Mithril \u5927\u795e\u771f\u7684\u5f88\u70ed\u60c5\uff0c\u54c8\u54c8 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : kernelpanic <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      ip \u5730\u5740\u5c31\u662f\u4e00\u4e2a int32 \u7c7b\u578b\u7684\u6570, \u6bd4\u5982 114.113.250.1 \u5c31\u662f 01110010011100011111101000000001
      \/24 \u610f\u601d\u662f\u63a9\u7801\u7684\u524d 24 \u4f4d\u90fd\u662f 1, 11111111111111111111111100000000
      CIDR\uff1a114.113.250.0\/24 \u610f\u601d\u662f\u6240\u6709\u4e0e 11111111111111111111111100000000 \u505a And \u8fd0\u7b97\u7ed3\u679c\u662f 114.113.250.0 \u7684 IP \u5730\u5740\u5408\u96c6, \u4e5f\u5c31\u662f 114.113.250.0~114.113.250.255
      114.113.250.0 \u5c31\u662f\u8fd9\u4e2a\u5b50\u7f51\u7684\u7f51\u7edc\u53f7, \u8def\u7531\u5668\u4e0a\u5236\u5b9a\u8def\u7531\u89c4\u5219\u65f6\u4e00\u822c\u4f1a\u6307\u5b9a\u7f51\u7edc\u53f7, \u5b50\u7f51\u63a9\u7801, \u63a5\u53e3
      \u5f53\u8def\u7531\u5668\u6536\u5230\u4e00\u4e2a ip \u5305\u5c31\u628a\u8fd9\u4e2a ip \u5305\u7684\u76ee\u7684\u5730\u5740\u548c\u8def\u7531\u89c4\u5219\u91cc\u7684\u63a9\u7801\u505a And \u8fd0\u7b97, \u5f97\u5230\u7684\u7ed3\u679c\u5982\u679c\u4e0e\u8fd9\u6761\u89c4\u5219\u7684\u7f51\u7edc\u53f7\u76f8\u540c,\u5c31\u628a\u8fd9\u4e2a\u6570\u636e\u5305\u4e22\u7ed9\u8fd9\u6761\u8def\u7531\u89c4\u5219\u6307\u5b9a\u7684\u63a5\u53e3! <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n","protected":false},"excerpt":{"rendered":"

      CIDR \u8868\u793a\u5565\uff1f \u8cc7\u6df1\u5927\u4f6c : …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/320317"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=320317"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/320317\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=320317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=320317"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=320317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}