{"id":79656,"date":"2026-03-02T19:32:18","date_gmt":"2026-03-02T11:32:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/79656.html"},"modified":"2026-03-02T19:32:18","modified_gmt":"2026-03-02T11:32:18","slug":"0%e5%9f%ba%e7%a1%80%e5%ad%a6%e4%b9%a0linux-linux%e8%bd%af%e4%bb%b6%e7%bc%96%e7%a8%8b-%e7%bd%91%e7%bb%9c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/79656.html","title":{"rendered":"0\u57fa\u7840\u5b66\u4e60Linux\u2014\u2014Linux\u8f6f\u4ef6\u7f16\u7a0b\u2014\u2014\u7f51\u7edc"},"content":{"rendered":"<h2>1.\u6982\u5ff5<\/h2>\n<h3>1.\u534f\u8bae&#xff1a;\u901a\u4fe1\u53cc\u65b9\u7ea6\u5b9a\u7684\u4e00\u5957\u901a\u4fe1\u6807\u51c6<\/h3>\n<h3>2.\u7f51\u7edc\u901a\u7528\u534f\u8bae\u6a21\u578b<\/h3>\n<h4>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.OSI\u6a21\u578b&#xff1a;\u7406\u60f3\u6a21\u578b<\/h4>\n<ul>\n<li>\u5e94\u7528\u5c42&#xff1a;\u8981\u4f20\u9012\u7684\u6570\u636e\u548c\u4fe1\u606f<\/li>\n<li>\u8868\u793a\u5c42&#xff1a;\u662f\u5426\u5bf9\u6570\u636e\u52a0\u5bc6<\/li>\n<li>\u4f1a\u8bdd\u5c42&#xff1a;\u662f\u5426\u9700\u8981\u5efa\u7acb\u4f1a\u8bdd\u94fe\u63a5<\/li>\n<li>\u4f20\u8f93\u5c42&#xff1a;\u4f20\u9012\u6570\u636e\u7684\u65b9\u5f0f<\/li>\n<li>\u7f51\u7edc\u5c42&#xff1a;\u6570\u636e\u7684\u8def\u7531&#xff08;\u8de8\u5c40\u57df\u7f51\u7684\u901a\u4fe1&#xff09;<\/li>\n<li>\u6570\u636e\u94fe\u8def\u5c42&#xff1a;\u5c40\u57df\u7f51\u5185\u90e8\u7684\u901a\u4fe1<\/li>\n<li>\u7269\u7406\u5c42&#xff1a;\u7269\u7406\u4ecb\u8d28\u7684\u8fde\u63a5<\/li>\n<\/ul>\n<h4>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02.TCP\/IP\u6a21\u578b<\/h4>\n<ul>\n<li>\u5e94\u7528\u5c42<\/li>\n<li>\u4f20\u8f93\u5c42<\/li>\n<li>\u7f51\u7edc\u5c42<\/li>\n<li>\u7f51\u7edc\u63a5\u53e3\u5c42&#xff1a;\u878d\u5408\u4e86\u6570\u636e\u94fe\u8def\u5c42\u548c\u7269\u7406\u5c42<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"391\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113215-69a5753f82d47.png\" width=\"686\" \/><\/p>\n<h4>\u00a0 \u00a0 \u00a0 \u00a0 3.TCP\/IP\u7f51\u7edc\u6a21\u578b\u4e2d\u7684\u534f\u8bae&#xff1a;<\/h4>\n<h5>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.\u5e94\u7528\u5c42&#xff1a;<\/h5>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 HTTP\u534f\u8bae&#xff1a;\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 HTTPS\u534f\u8bae&#xff1a;\u52a0\u5bc6\u7684HTTP\u534f\u8bae<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 DNS\u534f\u8bae&#xff1a;\u57df\u540d\u89e3\u6790\u534f\u8bae&#xff0c;\u5c06\u57df\u540d\u8f6c\u6362\u6210IP\u5730\u5740<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TELNET\u534f\u8bae&#xff1a;\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 SMTP\u534f\u8bae&#xff1a;\u90ae\u4ef6\u4f20\u8f93\u534f\u8bae<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 MQTT\u534f\u8bae&#xff1a;\u7269\u8054\u7f51\u4f20\u8f93\u534f\u8bae<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 RTSP\u534f\u8bae&#xff1a;\u6d41\u5a92\u4f53\u534f\u8bae<\/p>\n<h5>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.\u4f20\u8f93\u5c42&#xff1a;<\/h5>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 UDP\u534f\u8bae&#xff1a;\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TCP\u534f\u8bae&#xff1a;\u4f20\u8f93\u6570\u636e\u534f\u8bae<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u673a\u5236&#xff1a;\u901a\u4fe1\u4e4b\u524d&#xff1a;\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u8fde\u63a5<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"377\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113215-69a5753f97519.png\" width=\"568\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u901a\u4fe1\u4e4b\u540e&#xff1a;\u56db\u6b21\u56de\u6536\u7ed3\u675f\u94fe\u63a5<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"344\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113216-69a57540099dc.png\" width=\"484\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u901a\u4fe1\u8fc7\u7a0b\u4e2d&#xff1a;\u786e\u8ba4\u673a\u5236<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u6d41\u91cf\u63a7\u5236&#xff0c;\u62e5\u585e\u63a7\u5236<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u534f\u8bae\u5bf9\u6bd4&#xff1a;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 UDP\u8d44\u6e90\u5f00\u9500\u6bd4\u8f83\u5c0f&#xff0c;TCP\u8d44\u6e90\u5f00\u9500\u5927<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 UDP\u4f20\u8f93\u673a\u5236\u7b80\u5355&#xff0c;TCP\u4f20\u8f93\u673a\u5236\u590d\u6742<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 UDP\u4f20\u8f93\u4e0d\u5b89\u5168&#xff0c;\u4e0d\u53ef\u9760&#xff0c;TCP\u4f20\u8f93\u5b89\u5168\u53ef\u9760<\/p>\n<h5>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3.\u7f51\u7edc\u5c42<\/h5>\n<h6>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 1. IPV4\u534f\u8bae<\/h6>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01. 192.168.0.107<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0IP\u5730\u5740&#061;&#061;\u7f51\u7edc\u4f4d&#043;\u4e3b\u673a\u4f4d<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.\u7f51\u6bb5\u53f7&#xff1a;\u7f51\u7edc\u4f4d\u4e0d\u53d8&#xff0c;\u4e3b\u673a\u4f4d\u5168\u4e3a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a03.\u5b50\u7f51\u63a9\u7801&#xff1a;\u7528\u6765\u533a\u5206IP\u5730\u5740\u7684\u7f51\u7edc\u4f4d\u548c\u4e3b\u673a\u4f4d&#xff0c;\u5b50\u7f51\u63a9\u7801\u662f1\u7684\u90e8\u5206&#xff0c;\u8868\u793a\u7f51 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7edc\u4f4d&#xff0c;\u662f0\u7684\u90e8\u5206\u8868\u793a\u4e3b\u673a\u4f4d\u3002<\/p>\n<p>IP\u5730\u5740&#xff1a;192.168.0.107<br \/>\n\u5b50\u7f51\u63a9\u7801&#xff1a;255.255.255.0<br \/>\n192.168.0.107&#xff1a;<br \/>\n11000000.10101000.00000000.01101011<br \/>\n255.255.255.0<br \/>\n11111111.11111111.11111111.00000000<\/p>\n<p><span style=\"color:#fe2c24\">\u6ce8\u610f&#xff1a;\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\u5185\u7684IP\u5730\u5740\u80fd\u591f\u76f4\u63a5\u901a\u4fe1<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color:#0d0016\">\u00a0\u00a0\u00a0\u00a04. \u4e00\u4e2a\u5c40\u57df\u7f51\u5185\u80fd\u5bb9\u7eb3\u4e3b\u673a\u7684\u4e2a\u6570&#xff1a;2^\u4e3b\u673a\u4f4d &#8211; 2<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7f51\u6bb5\u53f7&#xff08;\u7f51\u7edc\u4f4d\u4e0d\u53d8&#xff0c;\u4e3b\u673a\u4f4d\u5168\u4e3a0&#xff09;\u4e0d\u80fd\u4f7f\u7528<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5e7f\u64ad\u5730\u5740&#xff08;\u7f51\u7edc\u4f4d\u4e0d\u53d8&#xff0c;\u4e3b\u673a\u4f4d\u5168\u4e3a1&#xff09;\u4e0d\u80fd\u4f7f\u7528<\/span><\/p>\n<table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width:500px\">\n<tbody>\n<tr>\n<td>\u7f51\u7edc\u7c7b\u522b<\/td>\n<td>\u6700\u5927\u53ef\u6307\u6d3e\u7684\u7f51\u7edc\u6570<\/td>\n<td>\u7b2c\u4e00\u4e2a\u53ef\u6307\u6d3e\u7684\u7f51\u7edc\u53f7<\/td>\n<td>\u6700\u540e\u4e00\u4e2a\u53ef\u6307\u6d3e\u7684\u7f51\u7edc\u53f7<\/td>\n<td>\u6bcf\u4e2a\u7f51\u7edc\u4e2d\u6700\u5927\u4e3b\u673a\u6570<\/td>\n<\/tr>\n<tr>\n<td>A<\/td>\n<td>126<\/td>\n<td>1<\/td>\n<td>126<\/td>\n<td>16777214<\/td>\n<\/tr>\n<tr>\n<td>B<\/td>\n<td>16383<\/td>\n<td>128.1<\/td>\n<td>191.255<\/td>\n<td>65534<\/td>\n<\/tr>\n<tr>\n<td>C<\/td>\n<td>2097151<\/td>\n<td>192.0.1<\/td>\n<td>223.255.255<\/td>\n<td>254<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color:#0d0016\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 5.IP\u5730\u5740\u7684\u5206\u7c7b&#xff1a;<\/span><\/p>\n<p><span style=\"color:#0d0016\">A\u7c7b&#xff1a;1.0.0.0 &#8211; 126.255.255.255<br \/>\n\u5b50\u7f51\u63a9\u7801&#xff1a;255.0.0.0<br \/>\n\u7ba1\u7406\u8d85\u5927\u89c4\u6a21\u578b\u7f51\u7edc<br \/>\nB\u7c7b&#xff1a;128.0.0.0 &#8211; 191.255.255.255<br \/>\n\u5b50\u7f51\u63a9\u7801&#xff1a;255.255.0.0<br \/>\n\u7ba1\u7406\u5927\u4e2d\u89c4\u6a21\u578b\u7f51\u7edc<br \/>\nC\u7c7b&#xff1a;192.0.0.0 &#8211; 223.255.255.255<br \/>\n\u5b50\u7f51\u63a9\u7801&#xff1a;255.255.255.0<br \/>\n\u7ba1\u7406\u4e2d\u5c0f\u89c4\u6a21\u578b\u7f51\u7edc<br \/>\nD\u7c7b&#xff1a;224.0.0.0 &#8211; 239.255.255.255<br \/>\n\u5b50\u7f51\u63a9\u7801&#xff1a;255.255.255.0<br \/>\n\u7528\u4e8e\u7ec4\u64ad\u901a\u4fe1<br \/>\nE\u7c7b&#xff1a;240.0.0.0 &#8211; 255.255.255.255<br \/>\n\u5b50\u7f51\u63a9\u7801&#xff1a;255.255.255.0<br \/>\n\u7528\u4e8e\u5b9e\u9a8c<\/span><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6.\u516c\u6709\u5730\u5740\u548c\u79c1\u6709\u5730\u5740<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1.\u516c\u6709\u5730\u5740&#xff1a;\u80fd\u591f\u76f4\u63a5\u4e0a\u4e92\u8054\u7f51\u7684\u5730\u5740<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.\u79c1\u6709\u5730\u5740&#xff1a;\u4e0d\u80fd\u76f4\u63a5\u4e0a\u4e92\u8054\u7f51\u7684\u5730\u5740<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p>A\u7c7b\u79c1\u6709IP\u5730\u5740&#xff1a;10.0.0.0 &#8211;\u00a0 10.255.255.255<\/p>\n<p>B\u7c7b\u79c1\u6709IP\u5730\u5740&#xff1a;172.16.0.0\u00a0 &#8211;\u00a0 172.31.255.255<\/p>\n<p>C\u7c7b\u79c1\u6709IP\u5730\u5740&#xff1a;192.168.0.0 &#8211; 192.168.255.255<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"527\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113216-69a5754042545.png\" width=\"1209\" \/>\u00a0 \u00a0<\/p>\n<h6>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.IPV6\u534f\u8bae\u00a0 \u00a0 \u00a0 \u00a0<\/h6>\n<h6>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a03. ARP\u534f\u8bae&#xff1a;\u6839\u636eIP\u5730\u5740\u83b7\u53d6MAC\u5730\u5740<\/h6>\n<h6>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4.RARP\u534f\u8bae&#xff1a;\u6839\u636eMAC\u5730\u5740\u83b7\u53d6IP\u5730\u5740<\/h6>\n<h6>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 5.\u8de8\u5c40\u57df\u7f51\u901a\u4fe1\u4f7f\u7528IP\u5730\u5740&#xff0c;\u5c40\u57df\u7f51\u5185\u90e8\u901a\u4fe1\u4f7f\u7528MAC\u5730\u5740\u3002<\/h6>\n<h2>2.\u7f51\u7edc\u7684\u914d\u7f6e\u53ca\u547d\u4ee4<\/h2>\n<h3>1.\u865a\u62df\u673a\u7f51\u7edc\u76842\u79cd\u5de5\u4f5c\u6a21\u5f0f<\/h3>\n<h4>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.\u6865\u63a5\u6a21\u5f0f<\/h4>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1.Ubuntu\u4e0eWindows\u7f51\u7edc\u76f8\u4e92\u72ec\u7acb&#xff0c;\u6bcf\u4e2a\u7cfb\u7edf\u4f1a\u5355\u72ec\u5206\u914d\u4e00\u4e2aIP\u5730\u5740<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.\u53ef\u4ee5\u4f5c\u4e3a\u5c40\u57df\u7f51\u7684\u670d\u52a1\u5668<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3.\u4f5c\u4e3a\u670d\u52a1\u5668\u7aef\u5fc5\u987b\u4f7f\u7528\u6865\u63a5\u6a21\u5f0f&#xff0c;<\/p>\n<h4>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02.NAT\u6a21\u5f0f\u00a0<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01. Ubuntu\u4e0eWindows\u7f51\u7edc\u5173\u8054&#xff0c;Ubuntu\u76f8\u5f53\u4e8eWindows\u4e00\u4e2a\u8f6f\u4ef6&#xff0c;UbuntuIP\u5730\u5740\u662f\u865a \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u62df\u51fa\u6765\u7684&#xff0c;\u65e0\u6cd5\u4f5c\u4e3a\u670d\u52a1\u5668<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02. \u65e0\u6cd5\u4f5c\u4e3a\u5c40\u57df\u7f51\u670d\u52a1\u5668<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03. \u4f5c\u4e3a\u5ba2\u6237\u7aef\u6240\u7528\u4f18\u5148\u9009\u62e9NAT\u6a21\u5f0f&#xff0c;\u56e0\u4e3aWindows\u6709\u7f51&#xff0c;Ubuntu\u5c31\u6709\u7f51<\/p>\n<h3>2.ifconfig\u547d\u4ee4<\/h3>\n<p>\u67e5\u770b\u7f51\u5361IP\u5730\u5740<br \/>\nifconfig<br \/>\nifconfig \u7f51\u5361\u540d IP\u5730\u5740\/24 up<br \/>\n#\u5c06ens33\u7f51\u5361\u8bbe\u7f6e\u4e3a192.168.0.108,\u5b50\u7f51\u63a9\u7801\u8bbe\u7f6e\u4e3a255.255.255.0\u542f\u52a8\u7f51\u5361<br \/>\nifconfig ens33 192.168.0.108\/24 up<br \/>\n#\u5173\u95ed\/\u5f00\u542f\u7f51\u5361<br \/>\nifconfig \u7f51\u5361\u540d down\/up<\/p>\n<h3>3.ping\u547d\u4ee4<\/h3>\n<p>\u6d4b\u8bd5\u4e0e\u67d0\u4e2aIP\u5730\u5740\u662f\u5426\u80fd\u591f\u8fde\u901a<br \/>\nping www.baidu.com<\/p>\n<h3>4.\u7f51\u7edc\u914d\u7f6e\u65b9\u6cd5&#xff1a;<\/h3>\n<h4>1. \u5c06\u865a\u62df\u673a\u7f51\u5361\u8bbe\u7f6e\u4e3a\u6865\u63a5\u6a21\u5f0f<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"408\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113216-69a5754088182.png\" width=\"555\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"357\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113216-69a575409b4d0.png\" width=\"559\" \/><\/p>\n<h4>2.\u5c06\u6865\u63a5\u7f51\u5361\u8bbe\u7f6e\u6210\u65e0\u7ebf\u7f51\u5361<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"353\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113217-69a57541090fe.png\" width=\"553\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"503\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113217-69a575416082f.png\" width=\"555\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"486\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260302113217-69a5754177f0d.png\" width=\"566\" \/><\/p>\n<h4>3.\u5c06\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u4fee\u6539\u4e3a\u81ea\u52a8\u83b7\u53d6IP\u5730\u5740<\/h4>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 1.\u6253\u5f00\u914d\u7f6e\u6587\u4ef6<\/p>\n<p>sudo vim \/etc\/network\/interfaces<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 2.\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u5185\u5bb9\u4e3a&#xff1a;<\/p>\n<p>\u00a0 auto lo<\/p>\n<p>\u00a0 iface lo inet loopback<\/p>\n<p>\u00a0 auto ens33<\/p>\n<p>\u00a0 iface ens33 inet dhcp<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 3.\u91cd\u542f\u865a\u62df\u673a<\/p>\n<p>sudo shutdown -r now<\/p>\n<h4>4.\u6d4b\u8bd5\u4e0e\u767e\u5ea6\u662f\u5426ping\u901a<\/h4>\n<p>ping www.baidu.com<\/p>\n<h2>3.UDP\u901a\u4fe1\u00a0 \u00a0 \u00a0 \u00a0<\/h2>\n<h4>1.\u5957\u63a5\u5b57<\/h4>\n<h4>2.\u51fd\u6570\u63a5\u53e3&#xff1a;<\/h4>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 1.socket<\/p>\n<p>1 int socket(int domain, int type, int protocol);<\/p>\n<p>2 \u529f\u80fd&#xff1a;<\/p>\n<p>3 \u00a0 \u00a0 \u00a0\u521b\u5efa\u4e00\u4e2a\u7528\u6765\u8fdb\u884c\u5957\u63a5\u5b57\u901a\u4fe1\u7684\u7ec8\u7aef\u8282\u70b9<\/p>\n<p>4 \u00a0\u53c2\u6570&#xff1a;<\/p>\n<p>5 \u00a0 \u00a0 \u00a0domain:AF_INET \u00a0 \u00a0 \u00a0IPv4\u534f\u8bae\u65cf<\/p>\n<p>6 \u00a0 \u00a0 \u00a0type:SOCK_DGRAM \u00a0 \u00a0 \u6570\u636e\u62a5\u5957\u63a5\u5b57<\/p>\n<p>7 \u00a0 \u00a0 \u00a0protocol: 0 \u00a0 \u00a0 \u00a0 \u00a0UDP\u901a\u4fe1<\/p>\n<p>8 \u00a0\u8fd4\u56de\u503c&#xff1a;<\/p>\n<p>9 \u00a0 \u00a0 \u00a0\u6210\u529f\u8fd4\u56de\u65b0\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/p>\n<p>10 \u00a0 \u00a0 \u00a0\u5931\u8d25\u8fd4\u56de-1<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 2.sendto<\/p>\n<p>1 \u00a0ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,<\/p>\n<p>2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 const struct sockaddr *dest_addr, socklen_t addrlen);<\/p>\n<p>3 \u00a0\u529f\u80fd&#xff1a;<\/p>\n<p>4 \u00a0 \u00a0 \u00a0\u5411\u53e6\u4e00\u4e2a\u5957\u63a5\u5b57\u53d1\u9001\u4fe1\u606f<\/p>\n<p>5 \u00a0\u53c2\u6570&#xff1a;<\/p>\n<p>6 \u00a0 \u00a0 \u00a0sockfd:\u4f7f\u7528socket\u521b\u5efa\u83b7\u5f97\u5957\u63a5\u5b57<\/p>\n<p>7 \u00a0 \u00a0 \u00a0buf:\u53d1\u9001\u5185\u5bb9\u7684\u7a7a\u95f4\u7684\u9996\u5730\u5740<\/p>\n<p>8 \u00a0 \u00a0 \u00a0len:\u53d1\u9001\u6570\u636e\u7684\u957f\u5ea6<\/p>\n<p>9 \u00a0 \u00a0 \u00a0flags:\u53d1\u9001\u7684\u5c5e\u6027&#xff0c;\u9ed8\u8ba4\u4e3a0<\/p>\n<p>10 \u00a0 \u00a0 \u00a0dest_addr:\u76ee\u7684IP\u7684\u7a7a\u95f4\u7684\u9996\u5730\u5740<\/p>\n<p>11 \u00a0 \u00a0 \u00a0addrlen:\u76ee\u7684IP\u7684\u5927\u5c0f<\/p>\n<p>12 \u00a0\u8fd4\u56de\u503c&#xff1a;<\/p>\n<p>13 \u00a0 \u00a0 \u00a0\u6210\u529f\u8fd4\u56de\u53d1\u9001\u7684\u5b57\u8282\u6570<\/p>\n<p>14 \u00a0 \u00a0 \u00a0\u5931\u8d25\u8fd4\u56de-1<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 3.htons<\/p>\n<p>1 uint32_t htonl(uint32_t hostlong);<\/p>\n<p>2 uint16_t htons(uint16_t hostshort);<\/p>\n<p>3 uint32_t ntohl(uint32_t netlong);<\/p>\n<p>4 uint16_t ntohs(uint16_t netshort);<\/p>\n<p>5 \u529f\u80fd&#xff1a;<\/p>\n<p>6 \u672c\u5730\u5b57\u8282\u5e8f\u4e0e\u7f51\u7edc\u5b57\u8282\u5e8f\u7684\u8f6c\u6362<\/p>\n<p>7 h:host \u672c\u5730<\/p>\n<p>8 n:net \u7f51\u7edc<\/p>\n<p>9 l:long \u957f\u6574\u578b IPv4<\/p>\n<p>10 s:short 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