{"id":39049,"date":"2025-05-22T04:36:13","date_gmt":"2025-05-21T20:36:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/39049.html"},"modified":"2025-05-22T04:36:13","modified_gmt":"2025-05-21T20:36:13","slug":"ip%e5%9c%b0%e5%9d%80%e7%a7%91%e6%99%ae-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%ac%e7%bd%91ip%e3%80%81%e7%a7%81%e7%bd%91ip%e3%80%81%e5%bc%b9%e6%80%a7ip%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/39049.html","title":{"rendered":"[IP\u5730\u5740\u79d1\u666e] \u670d\u52a1\u5668\u516c\u7f51IP\u3001\u79c1\u7f51IP\u3001\u5f39\u6027IP\u662f\u4ec0\u4e48\uff1f\u533a\u522b\u4e0e\u5e94\u7528\u573a\u666f\u8be6\u89e3"},"content":{"rendered":"<p>\n \u66f4\u591a\u670d\u52a1\u5668\u77e5\u8bc6&#xff0c;\u5c3d\u5728hostol.com<\/p>\n<p>\u5f53\u6211\u4eec\u8c08\u8bba\u8ba9\u4e00\u53f0\u670d\u52a1\u5668\u8fde\u63a5\u5230\u4e92\u8054\u7f51&#xff0c;\u6216\u8005\u8ba9\u670d\u52a1\u5668\u4e0a\u7684\u7f51\u7ad9\u3001\u5e94\u7528\u80fd\u591f\u88ab\u7528\u6237\u8bbf\u95ee\u65f6&#xff0c;IP \u5730\u5740\u662f\u7edd\u5bf9\u7ed5\u4e0d\u5f00\u7684\u6838\u5fc3\u6982\u5ff5\u3002\u5b83\u5c31\u50cf\u662f\u6bcf\u53f0\u8054\u7f51\u8bbe\u5907\u7684\u552f\u4e00\u201c\u8eab\u4efd\u8bc1\u53f7\u7801\u201d\u548c\u201c\u90ae\u653f\u7f16\u7801\u201d&#xff0c;\u4f7f\u5f97\u6570\u636e\u5305\u80fd\u591f\u5728\u6d69\u701a\u7684\u7f51\u7edc\u6d77\u6d0b\u4e2d\u51c6\u786e\u5730\u627e\u5230\u76ee\u7684\u5730\u3002\u4f46\u662f&#xff0c;\u4f60\u53ef\u80fd\u5df2\u7ecf\u6ce8\u610f\u5230&#xff0c;\u5728\u914d\u7f6e\u670d\u52a1\u5668&#xff0c;\u5c24\u5176\u662f\u4e91\u670d\u52a1\u5668\u7684\u65f6\u5019&#xff0c;\u4f1a\u9047\u5230\u4e0d\u6b62\u4e00\u79cd\u7c7b\u578b\u7684 IP \u5730\u5740&#xff1a;\u516c\u7f51 IP\u3001\u79c1\u7f51 IP&#xff0c;\u8fd8\u6709\u4e91\u670d\u52a1\u5546\u5e38\u5e38\u63d0\u5230\u7684\u201c\u5f39\u6027 IP\u201d(EIP)\u3002\u5b83\u4eec\u90fd\u662f IP&#xff0c;\u4f46\u201c\u6027\u683c\u201d\u548c\u201c\u7528\u9014\u201d\u5374\u5927\u76f8\u5f84\u5ead\u3002\u8fd9\u4e09\u8005\u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;\u6211\u7684\u670d\u52a1\u5668\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u9700\u8981\u54ea\u79cd IP \u5462&#xff1f;<\/p>\n<\/p>\n<p>\u522b\u62c5\u5fc3&#xff0c;\u8fd9\u5e76\u4e0d\u662f\u4ec0\u4e48\u9ad8\u6df1\u83ab\u6d4b\u7684\u9ed1\u9b54\u6cd5\u3002\u7406\u89e3\u4e86\u5b83\u4eec\u5404\u81ea\u7684\u89d2\u8272\u548c\u5de5\u4f5c\u539f\u7406&#xff0c;\u4f60\u5c31\u80fd\u50cf\u4e2a\u7ecf\u9a8c\u4e30\u5bcc\u7684\u201c\u7f51\u7edc\u89c4\u5212\u5e08\u201d\u4e00\u6837&#xff0c;\u4e3a\u4f60\u7684\u670d\u52a1\u5668\u548c\u5e94\u7528\u914d\u7f6e\u6700\u5408\u9002\u7684\u201c\u901a\u4fe1\u5730\u5740\u7c3f\u201d\u4e86\u3002\u8fd9\u7bc7\u79d1\u666e\u6307\u5357&#xff0c;\u6211\u4eec\u5c31\u6765\u628a\u8fd9\u4e09\u79cd IP \u5730\u5740\u7684\u201c\u524d\u4e16\u4eca\u751f\u201d\u548c\u201c\u770b\u5bb6\u672c\u9886\u201d\u597d\u597d\u804a\u900f\u5f7b&#xff01;<\/p>\n<\/p>\n<h4>IP \u5730\u5740\u57fa\u7840\u56de\u987e&#xff1a;\u6570\u5b57\u4e16\u754c\u7684\u201c\u95e8\u724c\u53f7\u7801\u201d<\/h4>\n<\/p>\n<p>\u5728\u6df1\u5165\u63a2\u8ba8\u516c\u7f51\u3001\u79c1\u7f51\u548c\u5f39\u6027 IP \u4e4b\u524d&#xff0c;\u6211\u4eec\u5148\u82b1\u4e00\u5206\u949f\u5feb\u901f\u56de\u987e\u4e00\u4e0b IP \u5730\u5740\u672c\u8eab\u662f\u4ec0\u4e48\u3002<\/p>\n<\/p>\n<p>IP \u5730\u5740&#xff08;Internet Protocol Address&#xff09;\u662f\u5206\u914d\u7ed9\u7f51\u7edc\u4e0a\u6bcf\u4e2a\u8bbe\u5907&#xff08;\u5982\u670d\u52a1\u5668\u3001\u7535\u8111\u3001\u624b\u673a\u3001\u8def\u7531\u5668\u7b49&#xff09;\u7684\u4e00\u4e2a\u552f\u4e00\u6570\u5b57\u6807\u8bc6\u3002\u5b83\u4f7f\u5f97\u8fd9\u4e9b\u8bbe\u5907\u80fd\u591f\u76f8\u4e92\u8bc6\u522b\u3001\u5b9a\u4f4d\u5e76\u8fdb\u884c\u901a\u4fe1\u3002\u4f60\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u73b0\u5b9e\u751f\u6d3b\u4e2d\u7684**\u7535\u8bdd\u53f7\u7801**\u6216\u8005**\u8857\u9053\u95e8\u724c\u5730\u5740**&#xff0c;\u6ca1\u6709\u5b83&#xff0c;\u4fe1\u606f\u5c31\u4e0d\u77e5\u9053\u8be5\u5f80\u54ea\u91cc\u9001\u3002<\/p>\n<\/p>\n<p>\u6211\u4eec\u76ee\u524d\u4e3b\u8981\u63a5\u89e6\u5230\u7684\u662f\u4e24\u79cd IP \u5730\u5740\u7248\u672c&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>IPv4 \u5730\u5740&#xff1a; \u8fd9\u662f\u6211\u4eec\u6700\u5e38\u89c1\u5230\u7684\u5f62\u5f0f&#xff0c;\u7531\u56db\u4e2a\u7528\u70b9\u53f7\u9694\u5f00\u7684\u5341\u8fdb\u5236\u6570\u5b57\u7ec4\u6210&#xff0c;\u4f8b\u5982 172.16.254.1 \u6216 8.8.8.8\u3002\u6bcf\u4e2a\u6570\u5b57\u7684\u8303\u56f4\u662f 0-255\u3002IPv4 \u5730\u5740\u7684\u603b\u91cf\u6709\u9650&#xff08;\u7ea6 43 \u4ebf\u4e2a&#xff09;&#xff0c;\u76ee\u524d\u5df2\u57fa\u672c\u8017\u5c3d\u3002<\/li>\n<li>IPv6 \u5730\u5740&#xff1a; \u4e3a\u4e86\u89e3\u51b3 IPv4 \u5730\u5740\u67af\u7aed\u7684\u95ee\u9898\u800c\u8bde\u751f&#xff0c;\u5b83\u4f7f\u7528\u66f4\u957f\u7684\u5730\u5740\u683c\u5f0f&#xff08;128\u4f4d&#xff0c;\u901a\u5e38\u75288\u7ec4\u5341\u516d\u8fdb\u5236\u6570\u8868\u793a&#xff0c;\u5982 2001:0db8:85a3:0000:0000:8a2e:0370:7334&#xff09;&#xff0c;\u80fd\u63d0\u4f9b\u51e0\u4e4e\u65e0\u9650\u7684\u5730\u5740\u7a7a\u95f4\u3002IPv6 \u6b63\u5728\u9010\u6b65\u666e\u53ca\u3002<\/li>\n<\/ul>\n<p>\u672c\u6587\u6211\u4eec\u4e3b\u8981\u8ba8\u8bba\u7684\u662f IP \u5730\u5740\u7684\u7c7b\u578b\u548c\u4f5c\u7528&#xff0c;\u8fd9\u4e9b\u6982\u5ff5\u5bf9 IPv4 \u548c IPv6 \u901a\u5e38\u90fd\u9002\u7528&#xff08;\u5c3d\u7ba1\u5f39\u6027 IP \u4e3b\u8981\u662f\u9488\u5bf9 IPv4 \u7684\u4e91\u7aef\u7279\u6027&#xff09;\u3002<\/p>\n<\/p>\n<h4 id=\"public-ip\">\u516c\u7f51 IP (Public IP Address) &#8211; \u4f60\u5728\u4e92\u8054\u7f51\u4e0a\u7684\u201c\u516c\u5f00\u8eab\u4efd\u201d<\/h4>\n<\/p>\n<p>\u5b83\u662f\u4ec0\u4e48&#xff1f;<\/p>\n<\/p>\n<p>\u516c\u7f51 IP \u5730\u5740&#xff0c;\u987e\u540d\u601d\u4e49&#xff0c;\u5c31\u662f\u53ef\u4ee5\u5728**\u516c\u5171\u4e92\u8054\u7f51 (Internet) \u4e0a\u88ab\u76f4\u63a5\u8bbf\u95ee\u548c\u8def\u7531**\u7684 IP \u5730\u5740\u3002\u5b83\u5177\u6709**\u5168\u7403\u552f\u4e00\u6027**&#xff0c;\u5c31\u50cf\u4f60\u7684\u8eab\u4efd\u8bc1\u53f7\u7801\u5728\u5168\u7403\u8303\u56f4\u5185\u662f\u72ec\u4e00\u65e0\u4e8c\u7684\u4e00\u6837\u3002\u8fd9\u4e9b\u5730\u5740\u7531\u56fd\u9645\u4e92\u8054\u7f51\u540d\u79f0\u4e0e\u6570\u5b57\u5730\u5740\u5206\u914d\u673a\u6784 (IANA) \u7edf\u4e00\u7ba1\u7406&#xff0c;\u5e76\u9010\u7ea7\u5206\u914d\u7ed9\u533a\u57df\u6027\u7684\u4e92\u8054\u7f51\u6ce8\u518c\u7ba1\u7406\u673a\u6784 (RIRs)&#xff0c;\u518d\u7531 RIRs \u5206\u914d\u7ed9\u5404\u5730\u7684 ISP (\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546) \u548c\u5927\u578b\u4e91\u670d\u52a1\u5546\u3002<\/p>\n<\/p>\n<p>\u5982\u679c\u4f60\u7684\u670d\u52a1\u5668\u60f3\u8981\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1&#xff08;\u6bd4\u5982\u8fd0\u884c\u4e00\u4e2a\u7f51\u7ad9\u3001\u4e00\u4e2a\u516c\u5f00\u7684 API\u3001\u6216\u8005\u4e00\u4e2a\u6e38\u620f\u670d\u52a1\u5668&#xff09;&#xff0c;\u8ba9\u5168\u4e16\u754c\u4efb\u4f55\u80fd\u4e0a\u7f51\u7684\u4eba\u90fd\u80fd\u627e\u5230\u5e76\u8bbf\u95ee\u5b83&#xff0c;\u90a3\u4e48\u5b83\u5c31**\u5fc5\u987b\u62e5\u6709\u81f3\u5c11\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740**\u3002\u8fd9\u4e2a\u516c\u7f51 IP \u5c31\u662f\u4f60\u670d\u52a1\u5668\u5728\u6d69\u701a\u4e92\u8054\u7f51\u4e2d\u7684\u201c\u516c\u5f00\u95e8\u724c\u53f7\u7801\u201d\u548c\u201c\u5bf9\u5916\u8054\u7cfb\u7535\u8bdd\u201d\u3002<\/p>\n<\/p>\n<p>\u4e3b\u8981\u7279\u70b9 (Key Characteristics)&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u5168\u7403\u552f\u4e00&#xff1a; \u4efb\u4f55\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740\u5728\u540c\u4e00\u65f6\u95f4\u70b9\u90fd\u53ea\u80fd\u88ab\u4e00\u4e2a\u8bbe\u5907\u4f7f\u7528\u3002<\/li>\n<li>\u4e92\u8054\u7f51\u53ef\u8def\u7531&#xff1a; \u4e92\u8054\u7f51\u4e0a\u7684\u8def\u7531\u5668\u77e5\u9053\u5982\u4f55\u5c06\u53d1\u5f80\u8fd9\u4e2a IP \u5730\u5740\u7684\u6570\u636e\u5305\u6b63\u786e\u5730\u9001\u8fbe\u3002<\/li>\n<li>\u53ef\u76f4\u63a5\u8bbf\u95ee&#xff1a; \u7406\u8bba\u4e0a&#xff0c;\u4efb\u4f55\u8054\u7f51\u8bbe\u5907\u90fd\u53ef\u4ee5\u76f4\u63a5\u5c1d\u8bd5\u8fde\u63a5\u5230\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740&#xff08;\u5f53\u7136&#xff0c;\u662f\u5426\u80fd\u8fde\u4e0a\u8fd8\u53d6\u51b3\u4e8e\u9632\u706b\u5899\u7b49\u5b89\u5168\u8bbe\u7f6e&#xff09;\u3002<\/li>\n<li>\u901a\u5e38\u662f\u9759\u6001\u7684&#xff08;\u5bf9\u670d\u52a1\u5668\u800c\u8a00&#xff09;&#xff1a; \u867d\u7136\u4e2a\u4eba\u5bb6\u5ead\u5bbd\u5e26\u7684\u516c\u7f51 IP \u53ef\u80fd\u662f\u52a8\u6001\u53d8\u5316\u7684&#xff0c;\u4f46\u5bf9\u4e8e\u670d\u52a1\u5668&#xff0c;\u6211\u4eec\u901a\u5e38\u4f1a\u4e3a\u5176\u914d\u7f6e\u4e00\u4e2a**\u9759\u6001\u516c\u7f51 IP**&#xff0c;\u4ee5\u786e\u4fdd\u57df\u540d\u89e3\u6790\u548c\u670d\u52a1\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<li>\u7a00\u7f3a\u8d44\u6e90 (\u7279\u522b\u662f IPv4)&#xff1a; \u7531\u4e8e IPv4 \u5730\u5740\u5df2\u57fa\u672c\u8017\u5c3d&#xff0c;\u65b0\u7684\u516c\u7f51 IPv4 \u5730\u5740\u53d8\u5f97\u8d8a\u6765\u8d8a\u5b9d\u8d35\u548c\u6602\u8d35\u3002<\/li>\n<\/ul>\n<p>\u5e94\u7528\u573a\u666f (Use Cases)&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>Web \u670d\u52a1\u5668&#xff1a; \u4f60\u7684\u57df\u540d (\u5982 www.hostol.com) \u9700\u8981\u901a\u8fc7 DNS \u89e3\u6790\u5230\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740&#xff0c;\u7528\u6237\u624d\u80fd\u901a\u8fc7\u57df\u540d\u8bbf\u95ee\u4f60\u7684\u7f51\u7ad9\u3002<\/li>\n<li>\u90ae\u4ef6\u670d\u52a1\u5668 (MX): \u63a5\u6536\u6765\u81ea\u5176\u4ed6\u90ae\u4ef6\u670d\u52a1\u5668\u7684\u90ae\u4ef6\u3002<\/li>\n<li>\u6e38\u620f\u670d\u52a1\u5668&#xff1a; \u5141\u8bb8\u73a9\u5bb6\u4ece\u4e92\u8054\u7f51\u8fde\u63a5\u8fdb\u6765\u3002<\/li>\n<li>FTP \u670d\u52a1\u5668\u3001API \u670d\u52a1\u5668\u3001VPN \u670d\u52a1\u5668\u7b49\u4efb\u4f55\u9700\u8981\u76f4\u63a5\u4ece\u4e92\u8054\u7f51\u8bbf\u95ee\u7684\u670d\u52a1\u3002<\/li>\n<li>\u4f5c\u4e3aNAT\u7f51\u5173\u3001\u8d1f\u8f7d\u5747\u8861\u5668\u7b49\u7f51\u7edc\u8bbe\u5907\u7684\u5bf9\u5916\u63a5\u53e3\u3002<\/li>\n<\/ul>\n<p>\u7b80\u5355\u8bf4&#xff0c;\u516c\u7f51 IP \u5c31\u662f\u4f60\u670d\u52a1\u5668\u901a\u5411\u4e16\u754c\u7684\u201c\u5927\u95e8\u201d\u3002<\/p>\n<\/p>\n<p>\u83b7\u53d6\u65b9\u5f0f&#xff1a;<\/p>\n<\/p>\n<p>\u5f53\u4f60\u4ece\u670d\u52a1\u5546\u90a3\u91cc\u79df\u7528 VPS\u3001\u4e91\u670d\u52a1\u5668\u6216\u72ec\u7acb\u670d\u52a1\u5668\u65f6&#xff0c;\u670d\u52a1\u5546\u901a\u5e38\u4f1a\u81ea\u52a8\u4e3a\u4f60\u5206\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u516c\u7f51 IP \u5730\u5740&#xff08;\u53ef\u80fd\u662f\u5305\u542b\u5728\u5957\u9910\u91cc&#xff0c;\u4e5f\u53ef\u80fd\u9700\u8981\u989d\u5916\u4ed8\u8d39&#xff0c;\u7279\u522b\u662f\u989d\u5916\u7684 IPv4 \u5730\u5740&#xff09;\u3002<\/p>\n<\/p>\n<h4 id=\"private-ip\">\u79c1\u7f51 IP (Private IP Address) &#8211; \u5185\u90e8\u7f51\u7edc\u7684\u201c\u901a\u884c\u4ee3\u53f7\u201d<\/h4>\n<\/p>\n<p>\u5b83\u662f\u4ec0\u4e48&#xff1f;<\/p>\n<\/p>\n<p>\u4e0e\u516c\u7f51 IP \u5bf9\u5e94\u7684\u662f\u79c1\u7f51 IP \u5730\u5740\u3002\u8fd9\u4e9b IP \u5730\u5740\u662f\u4e13\u95e8\u4e3a\u5728**\u79c1\u6709\u7f51\u7edc (Private Network)** \u5185\u90e8\u4f7f\u7528\u800c\u4fdd\u7559\u7684&#xff0c;\u4f8b\u5982\u4f60\u7684\u5bb6\u5ead\u5c40\u57df\u7f51 (LAN)\u3001\u516c\u53f8\u5185\u90e8\u7f51\u7edc\u3001\u6216\u8005\u4e91\u670d\u52a1\u5546\u63d0\u4f9b\u7684\u865a\u62df\u79c1\u6709\u4e91 (VPC) \u73af\u5883\u3002\u5b83\u4eec**\u4e0d\u80fd\u5728\u516c\u5171\u4e92\u8054\u7f51\u4e0a\u88ab\u76f4\u63a5\u8def\u7531\u6216\u8bbf\u95ee**\u3002<\/p>\n<\/p>\n<p>\u56fd\u9645\u6807\u51c6 RFC 1918 \u5b9a\u4e49\u4e86\u4e09\u6bb5\u4e13\u95e8\u7528\u4e8e\u79c1\u6709\u7f51\u7edc\u7684 IPv4 \u5730\u5740\u8303\u56f4&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>10.0.0.0 \u5230 10.255.255.255 (\u5373 10.0.0.0\/8)<\/li>\n<li>172.16.0.0 \u5230 172.31.255.255 (\u5373 172.16.0.0\/12)<\/li>\n<li>192.168.0.0 \u5230 192.168.255.255 (\u5373 192.168.0.0\/16)<\/li>\n<\/ul>\n<p>\u4f60\u53ef\u4ee5\u628a\u79c1\u7f51 IP \u5730\u5740\u60f3\u8c61\u6210\u4f60\u516c\u53f8\u529e\u516c\u697c\u5185\u90e8\u6bcf\u4e2a\u529e\u516c\u5ba4\u7684\u201c**\u5185\u90e8\u5206\u673a\u53f7\u7801**\u201d\u6216\u8005\u6bcf\u4e2a\u5458\u5de5\u7684\u201c**\u5de5\u4f4d\u7f16\u53f7**\u201d\u3002\u8fd9\u4e9b\u53f7\u7801\u5728\u516c\u53f8\u5185\u90e8\u662f\u552f\u4e00\u7684&#xff0c;\u65b9\u4fbf\u5927\u5bb6\u4e92\u76f8\u8054\u7cfb&#xff0c;\u4f46\u4f60\u4e0d\u80fd\u6307\u671b\u5ba2\u6237\u4ece\u5916\u9762\u76f4\u63a5\u62e8\u6253\u8fd9\u4e2a\u5185\u90e8\u5206\u673a\u53f7\u5c31\u80fd\u627e\u5230\u67d0\u4e2a\u5458\u5de5&#xff0c;\u4ed6\u4eec\u5f97\u5148\u6253\u5230\u516c\u53f8\u7684\u603b\u673a&#xff08;\u76f8\u5f53\u4e8e\u516c\u7f51 IP &#043; NAT \u7f51\u5173&#xff09;\u3002<\/p>\n<\/p>\n<p>\u4e3b\u8981\u7279\u70b9 (Key Characteristics)&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u975e\u5168\u7403\u552f\u4e00&#xff0c;\u53ef\u91cd\u590d\u4f7f\u7528&#xff1a; \u4f60\u7684\u5bb6\u5ead\u8def\u7531\u5668\u53ef\u80fd\u7ed9\u4f60\u7684\u7535\u8111\u5206\u914d\u4e86 192.168.1.100&#xff0c;\u4f60\u90bb\u5c45\u5bb6\u7684\u8def\u7531\u5668\u4e5f\u53ef\u80fd\u7ed9\u4ed6\u5bb6\u7535\u8111\u5206\u914d\u4e86\u540c\u6837\u7684 192.168.1.100&#xff0c;\u8fd9\u5b8c\u5168\u6ca1\u95ee\u9898&#xff0c;\u56e0\u4e3a\u5b83\u4eec\u5c5e\u4e8e\u4e0d\u540c\u7684\u79c1\u6709\u7f51\u7edc&#xff0c;\u4e92\u4e0d\u5e72\u6270\u3002<\/li>\n<li>\u4e92\u8054\u7f51\u4e0d\u53ef\u8def\u7531&#xff1a; \u516c\u5171\u4e92\u8054\u7f51\u4e0a\u7684\u8def\u7531\u5668\u4f1a\u5ffd\u7565\u53d1\u5f80\u8fd9\u4e9b\u79c1\u7f51\u5730\u5740\u6bb5\u7684\u6570\u636e\u5305\u3002<\/li>\n<li>\u9700\u8981 NAT (\u7f51\u7edc\u5730\u5740\u8f6c\u6362) \u624d\u80fd\u8bbf\u95ee\u4e92\u8054\u7f51&#xff1a; \u79c1\u6709\u7f51\u7edc\u5185\u7684\u8bbe\u5907\u5982\u679c\u60f3\u8bbf\u95ee\u516c\u5171\u4e92\u8054\u7f51&#xff08;\u6bd4\u5982\u6d4f\u89c8\u7f51\u9875&#xff09;&#xff0c;\u5b83\u4eec\u7684\u79c1\u7f51 IP \u5730\u5740\u5fc5\u987b\u7ecf\u8fc7\u8def\u7531\u5668\u6216\u7f51\u5173\u8bbe\u5907\u8fdb\u884c NAT \u8f6c\u6362&#xff0c;\u53d8\u6210\u4e00\u4e2a\u5171\u4eab\u7684\u516c\u7f51 IP \u5730\u5740\u624d\u80fd\u51fa\u53bb\u3002\u53cd\u8fc7\u6765&#xff0c;\u5916\u90e8\u8bf7\u6c42\u4e5f\u9700\u8981\u901a\u8fc7 NAT&#xff08;\u901a\u5e38\u914d\u5408\u7aef\u53e3\u8f6c\u53d1&#xff09;\u624d\u80fd\u5230\u8fbe\u79c1\u7f51\u5185\u7684\u7279\u5b9a\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<p>\u5e94\u7528\u573a\u666f (Use Cases)&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u96c6\u7fa4\u5185\u90e8\u901a\u4fe1&#xff1a; \u5728\u4e00\u4e2a\u4e91\u5e73\u53f0\u7684 VPC&#xff08;\u865a\u62df\u79c1\u6709\u4e91&#xff09;\u73af\u5883\u5185&#xff0c;\u4f60\u53ef\u80fd\u6709\u591a\u53f0\u670d\u52a1\u5668&#xff0c;\u6bd4\u5982\u4e00\u53f0 Web \u670d\u52a1\u5668\u3001\u4e00\u53f0\u5e94\u7528\u670d\u52a1\u5668\u3001\u4e00\u53f0\u6570\u636e\u5e93\u670d\u52a1\u5668\u3002\u5b83\u4eec\u4e4b\u95f4\u901a\u5e38\u901a\u8fc7\u5206\u914d\u7684\u79c1\u7f51 IP \u5730\u5740\u8fdb\u884c\u901a\u4fe1&#xff0c;\u8fd9\u6837\u901f\u5ea6\u66f4\u5feb&#xff08;\u901a\u5e38\u662f\u5185\u7f51\u5e26\u5bbd&#xff09;\u3001\u66f4\u5b89\u5168&#xff08;\u4e0d\u66b4\u9732\u5728\u516c\u7f51&#xff09;\u3001\u4e5f\u66f4\u7ecf\u6d4e&#xff08;\u4e91\u5e73\u53f0\u5185\u7f51\u6d41\u91cf\u901a\u5e38\u514d\u8d39\u6216\u6781\u4f4e&#xff09;\u3002<\/li>\n<li>\u540e\u7aef\u670d\u52a1\u9694\u79bb&#xff1a; \u5c06\u6570\u636e\u5e93\u670d\u52a1\u5668\u3001\u7f13\u5b58\u670d\u52a1\u5668\u3001\u5185\u90e8 API \u670d\u52a1\u7b49\u53ea\u914d\u7f6e\u79c1\u7f51 IP&#xff0c;\u4e0d\u5206\u914d\u516c\u7f51 IP&#xff0c;\u7136\u540e\u8ba9\u9762\u5411\u516c\u4f17\u7684 Web \u670d\u52a1\u5668&#xff08;\u5b83\u6709\u516c\u7f51 IP&#xff09;\u4f5c\u4e3a\u201c\u5821\u5792\u201d\u6216\u201c\u4ee3\u7406\u201d\u6765\u8bbf\u95ee\u8fd9\u4e9b\u540e\u7aef\u670d\u52a1\u3002\u8fd9\u662f\u4e00\u79cd\u975e\u5e38\u5e38\u89c1\u7684\u3001\u589e\u5f3a\u5b89\u5168\u6027\u7684\u67b6\u6784\u6a21\u5f0f&#xff0c;\u5927\u5927\u51cf\u5c11\u4e86\u6838\u5fc3\u670d\u52a1\u7684\u653b\u51fb\u9762\u3002<\/li>\n<li>\u5bb6\u5ead\u548c\u4f01\u4e1a\u5c40\u57df\u7f51 (LAN)&#xff1a; \u6211\u4eec\u5bb6\u91cc\u7684\u7535\u8111\u3001\u624b\u673a\u3001\u667a\u80fd\u8bbe\u5907\u8fde\u63a5\u5230 Wi-Fi \u8def\u7531\u5668\u540e&#xff0c;\u901a\u5e38\u83b7\u5f97\u7684\u90fd\u662f\u79c1\u7f51 IP \u5730\u5740\u3002<\/li>\n<li>\u8282\u7ea6\u516c\u7f51 IPv4 \u5730\u5740&#xff1a; \u7531\u4e8e\u516c\u7f51 IPv4 \u5730\u5740\u7a00\u7f3a&#xff0c;\u901a\u8fc7 NAT \u6280\u672f\u8ba9\u5927\u91cf\u4f7f\u7528\u79c1\u7f51 IP \u7684\u8bbe\u5907\u5171\u4eab\u5c11\u91cf\u516c\u7f51 IP&#xff0c;\u662f\u76ee\u524d\u7f13\u89e3 IPv4 \u5730\u5740\u8017\u5c3d\u7684\u4e3b\u8981\u624b\u6bb5\u3002<\/li>\n<\/ul>\n<p>\u83b7\u53d6\u65b9\u5f0f&#xff1a;<\/p>\n<\/p>\n<p>\u5728\u5c40\u57df\u7f51\u4e2d&#xff0c;\u79c1\u7f51 IP \u901a\u5e38\u7531 DHCP \u670d\u52a1\u5668&#xff08;\u6bd4\u5982\u4f60\u7684\u5bb6\u7528\u8def\u7531\u5668&#xff09;\u81ea\u52a8\u5206\u914d\u3002\u5728\u4e91\u73af\u5883\u4e2d&#xff08;\u5982 AWS VPC, \u963f\u91cc\u4e91 VPC&#xff09;&#xff0c;\u5f53\u4f60\u521b\u5efa\u4e00\u53f0\u4e91\u670d\u52a1\u5668\u5b9e\u4f8b\u65f6&#xff0c;\u5e73\u53f0\u4f1a\u81ea\u52a8\u4e3a\u5176\u5206\u914d\u4e00\u4e2a&#xff08;\u6216\u591a\u4e2a&#xff09;\u79c1\u7f51 IP \u5730\u5740\u3002<\/p>\n<\/p>\n<h4 id=\"elastic-ip\">\u5f39\u6027 IP (Elastic IP \/ EIP) &#8211; \u4e91\u65f6\u4ee3\u7684\u201c\u4fbf\u643a\u9753\u53f7\u201d (\u4e91\u670d\u52a1\u7279\u6709\u6982\u5ff5)<\/h4>\n<\/p>\n<p>\u5b83\u662f\u4ec0\u4e48&#xff1f;<\/p>\n<\/p>\n<p>\u5f39\u6027 IP (Elastic IP Address, \u5e38\u7b80\u79f0 EIP) \u662f\u4e00\u4e2a**\u4e13\u5c5e\u4e8e\u4e91\u8ba1\u7b97\u5e73\u53f0**\u7684\u6982\u5ff5\u3002\u5b83\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u4f60\u53ef\u4ee5\u4ece\u4e91\u670d\u52a1\u5546\u90a3\u91cc\u7533\u8bf7\u5e76**\u72ec\u7acb\u6301\u6709**\u7684**\u9759\u6001\u516c\u7f51 IPv4 \u5730\u5740**\u3002\u5b83\u7684\u201c\u5f39\u6027\u201d\u4f53\u73b0\u5728&#xff0c;\u4f60\u53ef\u4ee5\u968f\u65f6\u5c06\u8fd9\u4e2a EIP **\u52a8\u6001\u5730\u5173\u8054 (Attach\/Associate) \u5230\u4f60\u8d26\u6237\u4e0b\u7684\u4efb\u4f55\u4e00\u53f0\u4e91\u670d\u52a1\u5668\u5b9e\u4f8b\u4e0a&#xff0c;\u4e5f\u53ef\u4ee5\u968f\u65f6\u4ece\u5b9e\u4f8b\u4e0a\u89e3\u7ed1 (Detach\/Disassociate) \u5e76\u91cd\u65b0\u5173\u8054\u5230\u53e6\u4e00\u53f0\u5b9e\u4f8b\u4e0a**&#xff08;\u901a\u5e38\u8981\u6c42\u5b9e\u4f8b\u5728\u540c\u4e00\u533a\u57df\/\u53ef\u7528\u533a&#xff09;\u3002<\/p>\n<\/p>\n<p>\u4f60\u53ef\u4ee5\u628a\u5f39\u6027 IP \u60f3\u8c61\u6210\u4e00\u4e2a\u4f60\u82b1\u94b1\u4e70\u65ad&#xff08;\u6216\u8005\u957f\u671f\u79df\u7528&#xff09;\u7684**\u201c\u624b\u673a\u9753\u53f7\u201d\u6216\u8005\u201c\u4f01\u4e1a\u9ec4\u91d1\u603b\u673a\u53f7\u7801\u201d**\u3002\u8fd9\u4e2a\u53f7\u7801\u662f\u4f60\u81ea\u5df1\u7684&#xff0c;\u65e0\u8bba\u4f60\u6362\u4e86\u591a\u5c11\u90e8\u624b\u673a&#xff08;\u4e91\u670d\u52a1\u5668\u5b9e\u4f8b&#xff09;&#xff0c;\u6216\u8005\u529e\u516c\u5ba4\u642c\u5230\u54ea\u91cc&#xff08;\u5b9e\u4f8b\u5347\u7ea7\u6216\u8fc1\u79fb&#xff09;&#xff0c;\u4f60\u90fd\u53ef\u4ee5\u628a\u8fd9\u4e2a\u201c\u9753\u53f7\u201d\u91cd\u65b0\u7ed1\u5b9a\u5230\u65b0\u7684\u624b\u673a\u6216\u7535\u8bdd\u7ebf\u4e0a&#xff0c;\u5bf9\u5916\u516c\u5e03\u7684\u8054\u7cfb\u65b9\u5f0f\u59cb\u7ec8\u4e0d\u53d8\u3002<\/p>\n<\/p>\n<p>\u4e3b\u8981\u7279\u70b9\u4e0e\u4f18\u52bf (Key Characteristics &amp; Advantages)&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u9759\u6001\u4e0e\u6301\u4e45\u6027 (Static &amp; Persistent): \u4e00\u65e6\u4f60\u7533\u8bf7\u4e86\u4e00\u4e2a EIP \u5e76\u5206\u914d\u5230\u4f60\u7684\u8d26\u6237\u4e0b&#xff0c;\u5b83\u5c31\u4e00\u76f4\u5c5e\u4e8e\u4f60&#xff0c;\u76f4\u5230\u4f60\u660e\u786e\u5730\u91ca\u653e\u5b83\u3002\u5b83\u4e0d\u4f1a\u56e0\u4e3a\u4f60\u505c\u6b62\u3001\u542f\u52a8\u6216\u7ec8\u6b62\u67d0\u4e2a\u4e91\u670d\u52a1\u5668\u5b9e\u4f8b\u800c\u6539\u53d8\u6216\u4e22\u5931\u3002<\/li>\n<li>\u53ef\u91cd\u6620\u5c04\u6027 (Remappable): \u8fd9\u662f EIP \u6700\u6838\u5fc3\u7684\u4ef7\u503c&#xff01;\u4f60\u53ef\u4ee5\u975e\u5e38\u5feb\u901f\u5730&#xff08;\u901a\u5e38\u662f\u79d2\u7ea7\u6216\u5206\u949f\u7ea7\u64cd\u4f5c&#xff09;\u5c06\u4e00\u4e2a EIP \u4ece\u4e00\u53f0\u5b9e\u4f8b\u89e3\u7ed1&#xff0c;\u7136\u540e\u518d\u7ed1\u5b9a\u5230\u540c\u4e00\u533a\u57df\u5185\u7684\u53e6\u4e00\u53f0\u5b9e\u4f8b\u4e0a\u3002<\/li>\n<li>\u5c4f\u853d\u5b9e\u4f8b\u6545\u969c (Masking Instance Failures): \u8fd9\u662f\u53ef\u91cd\u6620\u5c04\u6027\u5e26\u6765\u7684\u76f4\u63a5\u597d\u5904\u3002\u5982\u679c\u4f60\u7684\u4e3b\u670d\u52a1\u5668\u5b9e\u4f8b\u4e0d\u5e78\u53d1\u751f\u6545\u969c\u5b95\u673a\u4e86&#xff0c;\u4f60\u53ef\u4ee5\u8fc5\u901f\u5730\u5c06\u6307\u5411\u5b83\u7684 EIP \u91cd\u65b0\u6620\u5c04\u5230\u4e00\u4e2a\u9884\u5148\u51c6\u5907\u597d\u7684\u5907\u7528\u670d\u52a1\u5668\u5b9e\u4f8b\u4e0a\u3002\u5bf9\u4e8e\u4f9d\u8d56\u8fd9\u4e2a IP \u5730\u5740\u63d0\u4f9b\u670d\u52a1\u7684\u7528\u6237\u6765\u8bf4&#xff0c;\u4ed6\u4eec\u53ef\u80fd\u53ea\u4f1a\u7ecf\u5386\u77ed\u6682\u7684\u4e2d\u65ad&#xff0c;\u800c\u65e0\u9700\u66f4\u6539\u4efb\u4f55\u8bbf\u95ee\u914d\u7f6e&#xff08;\u5982 DNS \u8bb0\u5f55&#xff09;&#xff0c;\u56e0\u4e3a\u670d\u52a1\u7684\u516c\u7f51 IP \u6ca1\u6709\u53d8\u3002\u8fd9\u5bf9\u4e8e\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027 (HA) \u975e\u5e38\u6709\u7528\u3002<\/li>\n<li>\u65b9\u4fbf\u5b9e\u4f8b\u5347\u7ea7\u4e0e\u8fc1\u79fb (Facilitating Migrations\/Upgrades): \u5f53\u4f60\u9700\u8981\u5347\u7ea7\u670d\u52a1\u5668\u786c\u4ef6\u3001\u66f4\u6362\u64cd\u4f5c\u7cfb\u7edf\u3001\u6216\u8005\u5c06\u5e94\u7528\u8fc1\u79fb\u5230\u65b0\u7684\u5b9e\u4f8b\u4e0a\u65f6&#xff0c;\u53ef\u4ee5\u5148\u5728\u65b0\u5b9e\u4f8b\u4e0a\u628a\u4e00\u5207\u90fd\u51c6\u5907\u597d&#xff0c;\u6d4b\u8bd5\u901a\u8fc7\u540e&#xff0c;\u518d\u628a\u65e7\u5b9e\u4f8b\u4e0a\u7684 EIP \u89e3\u7ed1\u5e76\u7ed1\u5b9a\u5230\u65b0\u5b9e\u4f8b\u4e0a&#xff0c;\u5b9e\u73b0\u5e73\u6ed1\u7684\u5207\u6362&#xff0c;\u5bf9\u7528\u6237\u5f71\u54cd\u6700\u5c0f\u3002<\/li>\n<li>\u6210\u672c\u8003\u91cf&#xff1a;\n<ul>\n<li>\u4e91\u670d\u52a1\u5546\u901a\u5e38\u5bf9**\u5df2\u7ed1\u5b9a\u5230\u6b63\u5728\u8fd0\u884c\u7684\u5b9e\u4f8b\u4e0a\u7684 EIP \u662f\u514d\u8d39\u7684**&#xff08;\u6216\u8005\u53ea\u6536\u53d6\u6781\u4f4e\u7684\u6301\u6709\u8d39&#xff09;\u3002<\/li>\n<li>\u4f46\u662f&#xff0c;\u4e3a\u4e86\u9632\u6b62\u7528\u6237\u201c\u56e4\u79ef\u201d\u5b9d\u8d35\u7684 IPv4 \u5730\u5740\u8d44\u6e90&#xff0c;\u4e91\u670d\u52a1\u5546\u901a\u5e38\u4f1a\u5bf9\u90a3\u4e9b**\u5df2\u5206\u914d\u5230\u4f60\u8d26\u6237\u4e0b\u3001\u4f46\u5f53\u524d\u6ca1\u6709\u7ed1\u5b9a\u5230\u4efb\u4f55\u6b63\u5728\u8fd0\u884c\u7684\u5b9e\u4f8b\u4e0a\u7684\u201c\u7a7a\u95f2\u201d EIP&#xff0c;\u6536\u53d6\u4e00\u5b9a\u7684\u4fdd\u7559\u8d39\u7528**&#xff08;\u901a\u5e38\u6309\u5c0f\u65f6\u8ba1\u8d39&#xff0c;\u7d2f\u52a0\u8d77\u6765\u53ef\u80fd\u4e0d\u4fbf\u5b9c&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u4e0e\u5b9e\u4f8b\u9ed8\u8ba4\u5206\u914d\u7684\u516c\u7f51 IP \u6709\u4f55\u4e0d\u540c&#xff1f;<\/p>\n<\/p>\n<p>\u5f53\u4f60\u521b\u5efa\u4e00\u4e2a\u4e91\u670d\u52a1\u5668\u5b9e\u4f8b\u65f6&#xff0c;\u4e91\u5e73\u53f0\u901a\u5e38\u4f1a\u81ea\u52a8&#xff08;\u6216\u5141\u8bb8\u4f60\u9009\u62e9&#xff09;\u4e3a\u5b83\u5206\u914d\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740\u3002\u4f46\u662f&#xff0c;\u8fd9\u79cd\u9ed8\u8ba4\u5206\u914d\u7684\u516c\u7f51 IP \u5f88\u591a\u65f6\u5019\u662f**\u77ed\u6682\u7684 (Ephemeral)**&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u5982\u679c\u4f60\u505c\u6b62 (Stop) \u518d\u542f\u52a8 (Start) \u8fd9\u53f0\u5b9e\u4f8b&#xff08;\u7279\u522b\u662f\u5728\u67d0\u4e9b\u4e91\u5e73\u53f0\u4e0a&#xff0c;\u6216\u8005\u5982\u679c\u5b9e\u4f8b\u7c7b\u578b\u4e0d\u652f\u6301\u56fa\u5b9aIP&#xff09;&#xff0c;\u5b83\u539f\u6765\u7684\u516c\u7f51 IP \u53ef\u80fd\u4f1a\u4e22\u5931&#xff0c;\u5e76\u88ab\u91cd\u65b0\u5206\u914d\u4e00\u4e2a\u65b0\u7684\u516c\u7f51 IP\u3002<\/li>\n<li>\u5982\u679c\u4f60\u7ec8\u6b62 (Terminate) \u8fd9\u53f0\u5b9e\u4f8b&#xff0c;\u5b83\u7ed1\u5b9a\u7684\u516c\u7f51 IP \u80af\u5b9a\u5c31\u6ca1\u4e86\u3002<\/li>\n<\/ul>\n<p>\u800c\u5f39\u6027 IP (EIP) \u5219\u4e0d\u540c&#xff0c;\u5b83\u72ec\u7acb\u4e8e\u4efb\u4f55\u5355\u4e2a\u5b9e\u4f8b\u7684\u751f\u547d\u5468\u671f&#xff0c;\u53ea\u8981\u4f60\u4e0d\u4e3b\u52a8\u91ca\u653e\u5b83&#xff0c;\u5b83\u5c31\u4e00\u76f4\u5728\u4f60\u7684\u8d26\u6237\u91cc&#xff0c;\u53ef\u4ee5\u968f\u610f\u7ed1\u5b9a\u548c\u89e3\u7ed1\u3002<\/p>\n<\/p>\n<p>\u5e94\u7528\u573a\u666f (Use Cases)&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u4efb\u4f55\u9700\u8981\u5728\u4e91\u4e0a\u63d0\u4f9b**\u7a33\u5b9a\u3001\u4e0d\u53d8\u7684\u516c\u7f51\u5165\u53e3**\u7684\u751f\u4ea7\u73af\u5883\u670d\u52a1\u5668&#xff08;\u5982 Web \u670d\u52a1\u5668\u3001API \u7f51\u5173\u3001\u90ae\u4ef6\u670d\u52a1\u5668\u7b49&#xff09;\u3002<\/li>\n<li>\u6784\u5efa**\u9ad8\u53ef\u7528 (HA) \u67b6\u6784**&#xff0c;\u5728\u4e3b\u670d\u52a1\u5668\u6545\u969c\u65f6&#xff0c;\u5c06 EIP \u5feb\u901f\u5207\u6362\u5230\u5907\u7528\u670d\u52a1\u5668\u3002<\/li>\n<li>\u8fdb\u884c\u670d\u52a1\u5668\u5b9e\u4f8b\u7684**\u65e0\u7f1d\u5347\u7ea7\u3001\u66ff\u6362\u6216\u8fc1\u79fb**&#xff0c;\u800c\u65e0\u9700\u66f4\u6539\u9762\u5411\u7528\u6237\u7684 DNS \u8bb0\u5f55\u6216 IP \u5730\u5740\u914d\u7f6e\u3002<\/li>\n<li>\u5f53\u4f60\u9700\u8981\u4e00\u4e2a**\u957f\u671f\u56fa\u5b9a\u3001\u4e0d\u968f\u5355\u4e2a\u865a\u62df\u673a\u751f\u547d\u5468\u671f\u53d8\u5316\u7684\u516c\u7f51 IP** \u65f6\u3002<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u6240\u6709\u91cd\u8981\u7684\u3001\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u7684\u4e91\u670d\u52a1\u5668&#xff0c;\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u5f39\u6027 IP&#xff08;\u6216\u7c7b\u4f3c\u673a\u5236&#xff0c;\u5982 GCP \u7684\u9759\u6001\u5916\u90e8 IP \u5730\u5740&#xff0c;Azure \u7684\u9759\u6001\u516c\u5171 IP \u5730\u5740&#xff09;\u800c\u4e0d\u662f\u5b9e\u4f8b\u9ed8\u8ba4\u5206\u914d\u7684\u53ef\u80fd\u53d8\u5316\u7684\u516c\u7f51 IP\u3002<\/p>\n<\/p>\n<h4 id=\"how-to-choose\">\u5982\u4f55\u9009\u62e9\u4e0e\u642d\u914d\u4f7f\u7528&#xff1f;&#xff08;IP \u5730\u5740\u7684\u201c\u7ec4\u961f\u201d\u7b56\u7565&#xff09;<\/h4>\n<\/p>\n<p>\u5728\u5b9e\u9645\u7684\u670d\u52a1\u5668\u90e8\u7f72\u4e2d&#xff0c;\u8fd9\u4e09\u79cd IP \u5730\u5740\u5f80\u5f80\u662f\u534f\u540c\u5de5\u4f5c\u7684&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u5927\u591a\u6570\u4e91\u670d\u52a1\u5668\u5b9e\u4f8b\u7684\u201c\u6807\u914d\u201d&#xff1a; \u901a\u5e38\u4f1a\u540c\u65f6\u62e5\u6709\u4e00\u4e2a**\u79c1\u7f51 IP \u5730\u5740**&#xff08;\u7528\u4e8e\u5728\u540c\u4e00\u4e2a\u865a\u62df\u79c1\u6709\u4e91 VPC \u5185\u7684\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u884c\u9ad8\u901f\u3001\u5b89\u5168\u7684\u5185\u90e8\u901a\u4fe1&#xff09;\u548c\u81f3\u5c11\u4e00\u4e2a**\u516c\u7f51 IP \u5730\u5740**&#xff08;\u7528\u4e8e\u76f4\u63a5\u4e0e\u4e92\u8054\u7f51\u901a\u4fe1&#xff0c;\u6216\u8005\u901a\u8fc7\u5f39\u6027 IP \u6765\u63d0\u4f9b\u66f4\u7a33\u5b9a\u7684\u516c\u7f51\u8bbf\u95ee&#xff09;\u3002<\/li>\n<li>\u4ec0\u4e48\u65f6\u5019\u53ea\u7528\u79c1\u7f51 IP&#xff1f; \u5bf9\u4e8e\u90a3\u4e9b\u4e0d\u9700\u8981\u76f4\u63a5\u4ece\u516c\u7f51\u8bbf\u95ee\u7684\u540e\u7aef\u670d\u52a1\u5668&#xff0c;\u6bd4\u5982\u6570\u636e\u5e93\u670d\u52a1\u5668\u3001\u7f13\u5b58\u670d\u52a1\u5668\u3001\u5185\u90e8\u5e94\u7528\u670d\u52a1\u5c42\u7b49&#xff0c;\u6700\u4f73\u5b9e\u8df5\u662f**\u53ea\u7ed9\u5b83\u4eec\u5206\u914d\u79c1\u7f51 IP \u5730\u5740**\u3002\u7136\u540e&#xff0c;\u901a\u8fc7\u4e00\u4e2a\u62e5\u6709\u516c\u7f51 IP \u7684\u201c\u5821\u5792\u673a\u201d&#xff08;\u7528\u4e8e SSH \u7ba1\u7406&#xff09;\u6216\u8005\u4e00\u4e2a\u9762\u5411\u516c\u4f17\u7684 Web \u670d\u52a1\u5668\/\u8d1f\u8f7d\u5747\u8861\u5668&#xff08;\u5b83\u4eec\u62e5\u6709\u516c\u7f51 IP \u6216\u5f39\u6027 IP&#xff09;\u4f5c\u4e3a\u552f\u4e00\u7684\u5165\u53e3&#xff0c;\u6765\u4ee3\u7406\u8bbf\u95ee\u8fd9\u4e9b\u540e\u7aef\u670d\u52a1\u3002\u8fd9\u79cd\u67b6\u6784\u80fd\u6781\u5927\u5730\u589e\u5f3a\u540e\u7aef\u670d\u52a1\u7684\u5b89\u5168\u6027&#xff0c;\u51cf\u5c11\u653b\u51fb\u9762\u3002<\/li>\n<li>\u4ec0\u4e48\u65f6\u5019\u516c\u7f51 IP \u662f\u5fc5\u9700\u7684&#xff1f; \u4efb\u4f55\u9700\u8981\u76f4\u63a5\u88ab\u4e92\u8054\u7f51\u7528\u6237\u6216\u670d\u52a1\u53d1\u73b0\u548c\u8bbf\u95ee\u7684\u670d\u52a1\u5668&#xff0c;\u90fd\u5fc5\u987b\u62e5\u6709\u516c\u7f51 IP\u3002\u6bd4\u5982\u4f60\u7684\u7f51\u7ad9\u670d\u52a1\u5668&#xff0c;\u4f60\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u7684 MX \u8bb0\u5f55\u6307\u5411\u7684 IP&#xff0c;\u4f60\u7684\u6e38\u620f\u670d\u52a1\u5668\u7684\u8fde\u63a5\u5730\u5740\u7b49\u3002<\/li>\n<li>\u4e3a\u4ec0\u4e48\u5728\u4e91\u4e0a\u8981\u7528\u5f39\u6027 IP \u66ff\u4ee3\u5b9e\u4f8b\u9ed8\u8ba4\u7684\u516c\u7f51 IP&#xff1f; \u5bf9\u4e8e\u4efb\u4f55\u9700\u8981**\u957f\u671f\u7a33\u5b9a\u63d0\u4f9b\u670d\u52a1**\u7684\u4e91\u670d\u52a1\u5668&#xff0c;\u4f7f\u7528\u5f39\u6027 IP&#xff08;\u6216\u5176\u7b49\u6548\u4ea7\u54c1&#xff09;\u51e0\u4e4e\u662f**\u5fc5\u987b\u7684**\u3002\u5b83\u5e26\u6765\u7684\u6545\u969c\u5207\u6362\u7075\u6d3b\u6027\u3001\u5b9e\u4f8b\u5347\u7ea7\/\u8fc1\u79fb\u7684\u4fbf\u5229\u6027&#xff0c;\u8fdc\u8fdc\u8d85\u8fc7\u4e86\u5b83\u53ef\u80fd\u4ea7\u751f\u7684\u5fae\u5c0f\u6210\u672c&#xff08;\u901a\u5e38\u5728\u7ed1\u5b9a\u5230\u8fd0\u884c\u5b9e\u4f8b\u65f6\u662f\u514d\u8d39\u7684&#xff09;\u3002\u4f9d\u8d56\u5b9e\u4f8b\u9ed8\u8ba4\u5206\u914d\u7684\u3001\u53ef\u80fd\u4f1a\u53d8\u5316\u7684\u516c\u7f51 IP \u6765\u63d0\u4f9b\u751f\u4ea7\u670d\u52a1&#xff0c;\u4f1a\u7ed9\u540e\u7eed\u7684\u8fd0\u7ef4\u548c\u53d8\u66f4\u5e26\u6765\u5f88\u591a\u9ebb\u70e6&#xff08;\u6bd4\u5982\u6bcf\u6b21 IP \u53d8\u52a8\u90fd\u8981\u6539 DNS&#xff0c;\u5e76\u7b49\u5f85 TTL \u751f\u6548&#xff09;\u3002<\/li>\n<li>\u4f20\u7edf\u72ec\u7acb\u670d\u52a1\u5668\u6216 VPS \u7684\u60c5\u51b5&#xff1a; \u5bf9\u4e8e\u79df\u7528\u7684\u72ec\u7acb\u670d\u52a1\u5668\u6216\u5f88\u591a\u4f20\u7edf VPS&#xff0c;\u670d\u52a1\u5546\u901a\u5e38\u4f1a\u76f4\u63a5\u4e3a\u4f60\u5206\u914d\u4e00\u4e2a\u6216\u591a\u4e2a**\u9759\u6001\u516c\u7f51 IP \u5730\u5740**&#xff0c;\u8fd9\u4e9b IP \u901a\u5e38\u662f\u56fa\u5b9a\u4e0d\u53d8\u7684&#xff08;\u9664\u975e\u4f60\u4e3b\u52a8\u66f4\u6362\u6216\u670d\u52a1\u5546\u8c03\u6574&#xff09;\u3002\u201c\u5f39\u6027 IP\u201d\u8fd9\u79cd\u53ef\u4ee5\u968f\u610f\u5728\u4e0d\u540c\u5b9e\u4f8b\u95f4\u6f02\u79fb\u7684\u6982\u5ff5&#xff0c;\u4e3b\u8981\u662f\u4e91\u8ba1\u7b97\u5e73\u53f0\u7684\u7279\u6027\u3002\u5f53\u7136&#xff0c;\u8fd9\u4e9b\u670d\u52a1\u5668\u5728\u6570\u636e\u4e2d\u5fc3\u5185\u90e8&#xff0c;\u4e5f\u53ef\u80fd\u4f1a\u6709\u79c1\u7f51 IP \u7528\u4e8e\u7ba1\u7406\u6216\u5176\u4ed6\u5185\u7f51\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<p>\u5408\u7406\u89c4\u5212\u4f60\u7684 IP \u5730\u5740\u4f7f\u7528\u7b56\u7565&#xff0c;\u662f\u6784\u5efa\u5b89\u5168\u3001\u53ef\u6269\u5c55\u3001\u6613\u4e8e\u7ef4\u62a4\u7684\u670d\u52a1\u5668\u67b6\u6784\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n<h3 id=\"conclusion\">\u7ed3\u8bba&#xff1a;\u4e3a\u4f60\u7684\u670d\u52a1\u5668\u914d\u7f6e\u5408\u9002\u7684\u201c\u5730\u5740\u7c3f\u201d&#xff0c;\u8ba9\u8fde\u63a5\u7545\u901a\u65e0\u5fe7<\/h3>\n<\/p>\n<p>\u597d\u4e86&#xff0c;\u5173\u4e8e\u670d\u52a1\u5668\u7684\u516c\u7f51 IP\u3001\u79c1\u7f51 IP \u548c\u5f39\u6027 IP&#xff0c;\u6211\u4eec\u5c31\u804a\u5230\u8fd9\u91cc\u3002\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u89e3\u91ca\u548c\u6bd4\u55bb&#xff0c;\u4f60\u5bf9\u8fd9\u4e09\u79cd IP \u5730\u5740\u7684\u201c\u5e90\u5c71\u771f\u9762\u76ee\u201d\u6709\u4e86\u66f4\u6e05\u6670\u7684\u8ba4\u8bc6&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u516c\u7f51 IP&#xff1a; \u4f60\u670d\u52a1\u5668\u5728\u4e92\u8054\u7f51\u4e0a\u7684\u201c\u5168\u7403\u901a\u7528\u540d\u7247\u201d&#xff0c;\u8ba9\u4e16\u754c\u80fd\u627e\u5230\u4f60\u3002<\/li>\n<li>\u79c1\u7f51 IP&#xff1a; \u4f60\u670d\u52a1\u5668\u5728\u201c\u81ea\u5bb6\u9662\u5b50\u201d&#xff08;\u79c1\u6709\u7f51\u7edc\/VPC&#xff09;\u91cc\u7684\u201c\u5185\u90e8\u5c0f\u540d\u201d&#xff0c;\u65b9\u4fbf\u201c\u5bb6\u91cc\u4eba\u201d\u4e92\u76f8\u4e32\u95e8&#xff0c;\u5b89\u5168\u53c8\u9ad8\u6548\u3002<\/li>\n<li>\u5f39\u6027 IP (\u4e91\u4e0a\u7279\u6027)&#xff1a; \u4f60\u8d26\u6237\u4e0b\u7684\u4e00\u4e2a\u201c\u6c38\u4e45\u4fdd\u7559\u7684\u9ec4\u91d1\u95e8\u724c\u53f7\u201d&#xff0c;\u53ef\u4ee5\u7075\u6d3b\u5730\u6302\u5728\u4f60\u9009\u5b9a\u7684\u4efb\u4f55\u4e00\u95f4\u201c\u4e91\u666f\u623f\u201d\u95e8\u53e3&#xff0c;\u65b9\u4fbf\u4f60\u201c\u642c\u5bb6\u201d\u6216\u201c\u4e34\u65f6\u6362\u623f\u201d\u800c\u4e0d\u5f71\u54cd\u8bbf\u5ba2\u6309\u8001\u5730\u5740\u627e\u5230\u4f60\u3002<\/li>\n<\/ul>\n<p>\u7406\u89e3\u4e86\u5b83\u4eec\u7684\u533a\u522b\u548c\u5404\u81ea\u7684\u201c\u7528\u6b66\u4e4b\u5730\u201d&#xff0c;\u4f60\u5c31\u80fd\u66f4\u597d\u5730\u4e3a\u4f60\u7684\u670d\u52a1\u5668\u548c\u5e94\u7528\u7a0b\u5e8f\u8bbe\u8ba1\u51fa\u65e2\u5b89\u5168\u53ef\u9760\u3001\u53c8\u80fd\u7075\u6d3b\u6269\u5c55\u3001\u540c\u65f6\u8fd8\u517c\u987e\u6210\u672c\u6548\u76ca\u7684\u7f51\u7edc\u8bbf\u95ee\u65b9\u6848\u4e86\u3002\u8bb0\u4f4f&#xff0c;IP \u5730\u5740\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e32\u6570\u5b57&#xff0c;\u5b83\u66f4\u662f\u4f60\u6570\u5b57\u4e16\u754c\u91cc\u6bcf\u4e00\u4e2a\u201c\u5bb6\u201d\u7684\u5165\u53e3\u548c\u6807\u8bc6&#xff01;<\/p>\n<\/p>\n<hr \/>\n<h3 id=\"faqs\">\u8fd8\u6709\u7591\u95ee&#xff1f;\u5e38\u89c1\u95ee\u9898\u89e3\u7b54 (FAQs)<\/h3>\n<\/p>\n<li>\u95ee: \u4e00\u53f0\u670d\u52a1\u5668\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u516c\u7f51 IP \u5730\u5740\u5417&#xff1f;\u6709\u4ec0\u4e48\u7528&#xff1f; \u7b54: \u662f\u7684&#xff0c;\u4e00\u53f0\u670d\u52a1\u5668&#xff08;\u65e0\u8bba\u662f\u4e91\u670d\u52a1\u5668\u8fd8\u662f\u72ec\u7acb\u670d\u52a1\u5668&#xff09;\u901a\u5e38\u53ef\u4ee5\u914d\u7f6e\u591a\u4e2a\u516c\u7f51 IP \u5730\u5740\u3002\u5e38\u89c1\u7528\u9014\u5305\u62ec&#xff1a;1) \u6258\u7ba1\u591a\u4e2a\u9700\u8981\u72ec\u7acb IP \u7684 SSL \u8bc1\u4e66\/\u7f51\u7ad9&#xff1a; \u867d\u7136\u73b0\u5728\u6709 SNI \u6280\u672f\u5141\u8bb8\u5728\u540c\u4e00\u4e2a IP \u4e0a\u6258\u7ba1\u591a\u4e2a HTTPS \u7ad9\u70b9&#xff0c;\u4f46\u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u6216\u8001\u65e7\u5ba2\u6237\u7aef\u53ef\u80fd\u4ecd\u9700\u8981\u72ec\u7acb IP\u30022) \u533a\u5206\u4e0d\u540c\u7684\u670d\u52a1\u51fa\u53e3&#xff1a; \u6bd4\u5982\u4e00\u4e2a IP \u7528\u4e8e Web \u670d\u52a1&#xff0c;\u53e6\u4e00\u4e2a\u7528\u4e8e\u90ae\u4ef6\u670d\u52a1&#xff0c;\u65b9\u4fbf\u7ba1\u7406\u548c\u8bbe\u7f6e\u53cd\u5411 DNS\u30023) \u63d0\u9ad8\u67d0\u4e9b\u5e94\u7528\u7684\u53ef\u7528\u6027\u6216\u6027\u80fd&#xff1a; \u67d0\u4e9b\u5e94\u7528\u53ef\u80fd\u901a\u8fc7\u7ed1\u5b9a\u5230\u4e0d\u540c IP \u6765\u5b9e\u73b0\u7279\u5b9a\u7684\u7f51\u7edc\u7b56\u7565\u30024) \u4f5c\u4e3a NAT \u7f51\u5173\u7684\u51fa\u53e3 IP \u6c60\u3002 \u4e0d\u8fc7&#xff0c;\u989d\u5916\u7684\u516c\u7f51 IPv4 \u5730\u5740\u901a\u5e38\u662f\u9700\u8981\u4ed8\u8d39\u7684&#xff0c;\u800c\u4e14 IPv4 \u8d44\u6e90\u7d27\u5f20&#xff0c;\u9664\u975e\u786e\u6709\u5fc5\u8981&#xff0c;\u5426\u5219\u4e0d\u5efa\u8bae\u6ee5\u7528\u3002<\/li>\n<li>\u95ee: \u79c1\u7f51 IP \u5730\u5740\u7684\u8bbe\u5907\u662f\u5982\u4f55\u901a\u8fc7 NAT \u8bbf\u95ee\u4e92\u8054\u7f51\u7684&#xff1f;NAT \u4f1a\u5f71\u54cd\u6027\u80fd\u5417&#xff1f; \u7b54: NAT (Network Address Translation &#8211; \u7f51\u7edc\u5730\u5740\u8f6c\u6362) \u662f\u4e00\u79cd\u5c06\u79c1\u7f51 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\u8f6c\u6362\u4e3a\u516c\u7f51 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff08;\u53cd\u4e4b\u4ea6\u7136&#xff09;\u7684\u6280\u672f&#xff0c;\u901a\u5e38\u5728\u8def\u7531\u5668\u6216\u9632\u706b\u5899\u7b49\u7f51\u5173\u8bbe\u5907\u4e0a\u5b9e\u73b0\u3002\u5f53\u79c1\u7f51\u5185\u8bbe\u5907\u8bbf\u95ee\u4e92\u8054\u7f51\u65f6&#xff0c;\u7f51\u5173\u4f1a\u5c06\u5176\u6e90\u79c1\u7f51 IP \u548c\u7aef\u53e3\u66ff\u6362\u4e3a\u7f51\u5173\u7684\u516c\u7f51 IP \u548c\u4e00\u4e2a\u65b0\u7684\u7aef\u53e3\u53f7&#xff0c;\u5e76\u8bb0\u5f55\u8fd9\u4e2a\u6620\u5c04\u5173\u7cfb&#xff1b;\u5f53\u4e92\u8054\u7f51\u7684\u54cd\u5e94\u6570\u636e\u5305\u8fd4\u56de\u65f6&#xff0c;\u7f51\u5173\u518d\u6839\u636e\u6620\u5c04\u5173\u7cfb\u5c06\u5176\u8f6c\u6362\u56de\u6e90\u79c1\u7f51 IP \u548c\u7aef\u53e3\u3002NAT \u672c\u8eab\u4f1a\u5f15\u5165\u975e\u5e38\u5fae\u5c0f\u7684\u5904\u7406\u5ef6\u8fdf\u548c\u4e00\u5b9a\u7684\u7f51\u5173\u8bbe\u5907\u8d44\u6e90\u6d88\u8017&#xff0c;\u4f46\u5bf9\u4e8e\u73b0\u4ee3\u786c\u4ef6\u6765\u8bf4&#xff0c;\u5bf9\u666e\u901a\u4e0a\u7f51\u4f53\u9a8c\u7684\u6027\u80fd\u5f71\u54cd\u901a\u5e38\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002\u4f46\u5728\u9ad8\u5e76\u53d1\u3001\u5927\u541e\u5410\u91cf\u7684\u573a\u666f\u4e0b&#xff0c;NAT \u7f51\u5173\u8bbe\u5907\u81ea\u8eab\u7684\u6027\u80fd\u53ef\u80fd\u4f1a\u6210\u4e3a\u74f6\u9888\u3002<\/li>\n<li>\u95ee: \u5f39\u6027 IP (EIP) \u662f\u5b8c\u5168\u514d\u8d39\u7684\u5417&#xff1f;\u5982\u679c\u6211\u7533\u8bf7\u4e86\u5f88\u591a\u4f46\u4e0d\u7528&#xff0c;\u4f1a\u6709\u95ee\u9898\u5417&#xff1f; \u7b54: \u5927\u591a\u6570\u4e3b\u6d41\u4e91\u670d\u52a1\u5546\u7684\u7b56\u7565\u662f&#xff1a;\u5f53\u4e00\u4e2a\u5f39\u6027 IP **\u6210\u529f\u7ed1\u5b9a\u5230\u4e00\u53f0\u6b63\u5728\u8fd0\u884c\u7684\u4e91\u670d\u52a1\u5668\u5b9e\u4f8b\u4e0a\u65f6&#xff0c;\u8fd9\u4e2a EIP \u672c\u8eab\u901a\u5e38\u662f\u514d\u8d39\u7684**&#xff08;\u6216\u8005\u53ea\u6536\u53d6\u6781\u4f4e\u7684\u4fdd\u7559\u8d39&#xff0c;\u6bd4\u5982\u963f\u91cc\u4e91\u66fe\u7ecf\u5bf9\u7ed1\u5b9a\u540e\u4ecd\u6536\u8d39&#xff0c;\u4f46\u653f\u7b56\u53ef\u80fd\u53d8\u5316&#xff09;\u3002\u4f46\u662f&#xff0c;\u5982\u679c\u4f60\u7533\u8bf7\u4e86\u4e00\u4e2a EIP \u5e76\u4f7f\u5176\u5904\u4e8e**\u7a7a\u95f2\u72b6\u6001**&#xff08;\u5373\u5206\u914d\u5230\u4f60\u7684\u8d26\u6237\u4e0b&#xff0c;\u4f46\u6ca1\u6709\u7ed1\u5b9a\u5230\u4efb\u4f55\u6b63\u5728\u8fd0\u884c\u7684\u5b9e\u4f8b\u4e0a&#xff09;&#xff0c;\u90a3\u4e48\u4e91\u670d\u52a1\u5546\u901a\u5e38\u4f1a**\u6309\u5c0f\u65f6\u6536\u53d6\u4e00\u5b9a\u7684\u8d44\u6e90\u5360\u7528\u8d39**\u3002\u8fd9\u662f\u4e3a\u4e86\u9632\u6b62\u7528\u6237\u6ee5\u7528\u548c\u56e4\u79ef\u5b9d\u8d35\u7684\u516c\u7f51 IPv4 \u5730\u5740\u8d44\u6e90\u3002\u6240\u4ee5&#xff0c;\u5982\u679c\u4f60\u7533\u8bf7\u4e86 EIP \u4f46\u6682\u65f6\u4e0d\u7528&#xff0c;\u8bb0\u5f97\u53ca\u65f6\u91ca\u653e\u5b83&#xff0c;\u6216\u8005\u786e\u4fdd\u5b83\u7ed1\u5b9a\u5728\u8fd0\u884c\u7684\u5b9e\u4f8b\u4e0a&#xff0c;\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8d39\u7528\u3002<\/li>\n<li>\u95ee: \u5982\u679c\u6211\u7684\u7f51\u7ad9\u4f7f\u7528\u4e86\u8d1f\u8f7d\u5747\u8861\u5668 (Load Balancer)&#xff0c;\u6211\u7684\u6e90\u670d\u52a1\u5668\u8fd8\u9700\u8981\u516c\u7f51 IP \u5417&#xff1f; \u7b54: \u901a\u5e38\u4e0d\u9700\u8981&#xff0c;\u751a\u81f3\u4e0d\u63a8\u8350\u3002 \u5f53\u4f60\u4f7f\u7528\u4e91\u5e73\u53f0\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u65f6&#xff0c;\u8d1f\u8f7d\u5747\u8861\u5668\u672c\u8eab\u4f1a\u62e5\u6709\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740&#xff08;\u901a\u5e38\u4e5f\u662f\u4e00\u4e2a\u5f39\u6027 IP&#xff09;&#xff0c;\u4f5c\u4e3a\u4f60\u670d\u52a1\u7684\u7edf\u4e00\u5165\u53e3&#xff0c;\u63a5\u6536\u6240\u6709\u7528\u6237\u7684\u8bf7\u6c42\u3002\u7136\u540e&#xff0c;\u8d1f\u8f7d\u5747\u8861\u5668\u4f1a\u5c06\u8fd9\u4e9b\u8bf7\u6c42\u901a\u8fc7**\u5185\u7f51&#xff08;\u4f7f\u7528\u79c1\u7f51 IP \u5730\u5740&#xff09;**\u8f6c\u53d1\u5230\u5b83\u540e\u9762\u8fde\u63a5\u7684\u90a3\u4e9b\u6e90\u670d\u52a1\u5668\u5b9e\u4f8b\u4e0a\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b&#xff0c;\u4f60\u7684\u6e90\u670d\u52a1\u5668\u5b9e\u4f8b\u53ea\u9700\u8981\u62e5\u6709\u79c1\u7f51 IP 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