{"id":436,"date":"2022-06-16T15:55:41","date_gmt":"2022-06-16T07:55:41","guid":{"rendered":"https:\/\/www.qiangzhenshuai.com\/?p=436"},"modified":"2022-08-02T13:40:49","modified_gmt":"2022-08-02T05:40:49","slug":"linux-%e7%bd%91%e7%bb%9c%e6%8a%93%e5%8c%85%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.qiangzhenshuai.com\/?p=436","title":{"rendered":"Linux-\u7f51\u7edctcpdump\u6293\u5305"},"content":{"rendered":"<p><!--more--><\/p>\n<h1>1.\u6293\u5305\u65b9\u5f0f<\/h1>\n<h2><strong>Linux\u6293\u5305\u547d\u4ee4tcpdump\u662f\u4e00\u4e2a\u6293\u5305\u5de5\u5177\uff0c\u7528\u4e8e\u6293\u53d6\u4e92\u8054\u7f51\u4e0a\u4f20\u8f93\u7684\u6570\u636e\u5305<\/strong><\/h2>\n<p>tcpdump\u662f\u4e00\u4e2a\u7528\u4e8e\u622a\u53d6\u7f51\u7edc\u5206\u7ec4\uff0c\u5e76\u8f93\u51fa\u5206\u7ec4\u5185\u5bb9\u7684\u5de5\u5177\u3002\u51ed\u501f\u5f3a\u5927\u7684\u529f\u80fd\u548c\u7075\u6d3b\u7684\u622a\u53d6\u7b56\u7565\uff0c\u4f7f\u5176\u6210\u4e3a\u7c7bUNIX\u7cfb\u7edf\u4e0b\u7528\u4e8e\u7f51\u7edc\u5206\u6790\u548c\u95ee\u9898\u6392\u67e5\u7684\u9996\u9009\u5de5\u5177<br \/>\ntcpdump \u652f\u6301\u9488\u5bf9\u7f51\u7edc\u5c42\u3001\u534f\u8bae\u3001\u4e3b\u673a\u3001\u7f51\u7edc\u6216\u7aef\u53e3\u7684\u8fc7\u6ee4\uff0c\u5e76\u63d0\u4f9band\u3001or\u3001not\u7b49\u903b\u8f91\u8bed\u53e5\u6765\u5e2e\u52a9\u4f60\u53bb\u6389\u65e0\u7528\u7684\u4fe1\u606f<\/p>\n<h3>tcpdump<\/h3>\n<pre>-i\uff1a\u76d1\u542c\u54ea\u4e00\u4e2a\u7f51\u5361\r\n-A\u00a0 \u4ee5ASCII\u7801\u65b9\u5f0f\u663e\u793a\u6bcf\u4e00\u4e2a\u6570\u636e\u5305(\u4e0d\u4f1a\u663e\u793a\u6570\u636e\u5305\u4e2d\u94fe\u8def\u5c42\u5934\u90e8\u4fe1\u606f). \u5728\u6293\u53d6\u5305\u542b\u7f51\u9875\u6570\u636e\u7684\u6570\u636e\u5305\u65f6, \u53ef\u65b9\u4fbf\u67e5\u770b\u6570\u636e\r\n(nt: \u5373Handy for capturing web pages)\r\n-n\uff1a\u4e0d\u628aip\u89e3\u6790\u6210\u4e3b\u673a\u540d\r\n-nn\uff1a\u4e0d\u628a\u7aef\u53e3\u89e3\u6790\u6210\u5e94\u7528\u5c42\u534f\u8bae\r\n-c\uff1a\u6536\u5230\u6307\u5b9a\u7684\u6570\u636e\u5305\u6570\u76ee\u540e\uff0c\u5c31\u505c\u6b62\u8fdb\u884c\u503e\u5012\u64cd\u4f5c\r\n-C\u00a0 file-size (nt: \u6b64\u9009\u9879\u7528\u4e8e\u914d\u5408-w file \u9009\u9879\u4f7f\u7528)\uff1a\u8be5\u9009\u9879\u4f7f\u5f97tcpdump \u5728\u628a\u539f\u59cb\u6570\u636e\u5305\u76f4\u63a5\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u4e4b\u524d, \r\n\u68c0\u67e5\u6b64\u6587\u4ef6\u5927\u5c0f\u662f\u5426\u8d85\u8fc7file-size. \u5982\u679c\u8d85\u8fc7\u4e86, \u5c06\u5173\u95ed\u6b64\u6587\u4ef6,\u53e6\u521b\u4e00\u4e2a\u6587\u4ef6\u7ee7\u7eed\u7528\u4e8e\u539f\u59cb\u6570\u636e\u5305\u7684\u8bb0\u5f55. \r\n\u65b0\u521b\u5efa\u7684\u6587\u4ef6\u540d\u4e0e-w \u9009\u9879\u6307\u5b9a\u7684\u6587\u4ef6\u540d\u4e00\u81f4, \u4f46\u6587\u4ef6\u540d\u540e\u591a\u4e86\u4e00\u4e2a\u6570\u5b57.\u8be5\u6570\u5b57\u4f1a\u4ece1\u5f00\u59cb\u968f\u7740\u65b0\u521b\u5efa\u6587\u4ef6\u7684\u589e\u591a\u800c\u589e\u52a0. \r\nfile-size\u7684\u5355\u4f4d\u662f\u767e\u4e07\u5b57\u8282(nt: \u8fd9\u91cc\u63071,000,000\u4e2a\u5b57\u8282,\u5e76\u975e1,048,576\u4e2a\u5b57\u8282, \u540e\u8005\u662f\u4ee51024\u5b57\u8282\u4e3a1k, 1024k\u5b57\u8282\u4e3a1M\u8ba1\u7b97\u6240\u5f97,\r\n\u53731M=1024 \uff0a 1024 \uff1d 1,048,576)\r\n-d\uff1a\u628a\u7f16\u8bd1\u8fc7\u7684\u6570\u636e\u5305\u7f16\u7801\u8f6c\u6362\u6210\u53ef\u9605\u8bfb\u7684\u683c\u5f0f\uff0c\u5e76\u503e\u5012\u5230\u6807\u51c6\u8f93\u51fa\r\n-dd\uff1a\u628a\u7f16\u8bd1\u8fc7\u7684\u6570\u636e\u5305\u7f16\u7801\u8f6c\u6362\u6210C\u8bed\u8a00\u7684\u683c\u5f0f\uff0c\u5e76\u503e\u5012\u5230\u6807\u51c6\u8f93\u51fa\r\n-ddd\uff1a\u628a\u7f16\u8bd1\u8fc7\u7684\u6570\u636e\u5305\u7f16\u7801\u8f6c\u6362\u6210\u5341\u8fdb\u5236\u6570\u5b57\u7684\u683c\u5f0f\uff0c\u5e76\u503e\u5012\u5230\u6807\u51c6\u8f93\u51fa\r\n-e\uff1a\u5728\u6bcf\u5217\u503e\u5012\u8d44\u6599\u4e0a\u663e\u793a\u8fde\u63a5\u5c42\u7ea7\u7684\u6587\u4ef6\u5934\r\n-f\uff1a\u7528\u6570\u5b57\u663e\u793a\u7f51\u9645\u7f51\u7edc\u5730\u5740\r\n-F\uff1a\u4f7f\u7528file \u6587\u4ef6\u4f5c\u4e3a\u8fc7\u6ee4\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u8f93\u5165, \u6b64\u65f6\u547d\u4ee4\u884c\u4e0a\u7684\u8f93\u5165\u5c06\u88ab\u5ffd\u7565\r\n-i\uff1a\u6307\u5b9atcpdump \u9700\u8981\u76d1\u542c\u7684\u63a5\u53e3.\u00a0 \u5982\u679c\u6ca1\u6709\u6307\u5b9a, tcpdump \u4f1a\u4ece\u7cfb\u7edf\u63a5\u53e3\u5217\u8868\u4e2d\u641c\u5bfb\u7f16\u53f7\u6700\u5c0f\u7684\u5df2\u914d\u7f6e\u597d\u7684\u63a5\u53e3\r\n(\u4e0d\u5305\u62ec loopback \u63a5\u53e3).\u4e00\u4f46\u627e\u5230\u7b2c\u4e00\u4e2a\u7b26\u5408\u6761\u4ef6\u7684\u63a5\u53e3, \u641c\u5bfb\u9a6c\u4e0a\u7ed3\u675f\r\n-L\uff1a\u5217\u51fa\u6307\u5b9a\u7f51\u7edc\u63a5\u53e3\u6240\u652f\u6301\u7684\u6570\u636e\u94fe\u8def\u5c42\u7684\u7c7b\u578b\u540e\u9000\u51fa\r\n-s\uff1a\u8bbe\u7f6e\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u5927\u5c0f\r\n-S\uff1a\u4e0d\u628a\u968f\u673a\u5e8f\u5217\u548c\u786e\u8ba4\u5e8f\u5217\u89e3\u6790\u6210\u7edd\u5bf9\u503c\r\n-w\uff1a\u5c06\u6d41\u91cf\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d,\u6587\u4ef6\u4e2d\u7684\u4fe1\u606f\u662f\u65e0\u6cd5\u76f4\u63a5\u67e5\u770b\u7684\r\n-r\uff1a\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\r\n-m\uff1a\u901a\u8fc7module \u6307\u5b9a\u7684file \u88c5\u8f7dSMI MIB \u6a21\u5757(nt: SMI\uff0cStructure of Management Information, \u7ba1\u7406\u4fe1\u606f\r\n\u7ed3\u6784MIB, Management Information Base, \u7ba1\u7406\u4fe1\u606f\u5e93. \u53ef\u7406\u89e3\u4e3a, \u8fd9\u4e24\u8005\u7528\u4e8eSNMP(Simple Network Management Protoco)\r\n\u534f\u8bae\u6570\u636e\u5305\u7684\u6293\u53d6. \u5177\u4f53SNMP \u7684\u5de5\u4f5c\u539f\u7406\u672a\u77e5, \u53e6\u9700\u8865\u5145)\r\n-M\uff1a\u5982\u679cTCP \u6570\u636e\u5305(TCP segments)\u6709TCP-MD5\u9009\u9879(\u5728RFC 2385\u6709\u76f8\u5173\u63cf\u8ff0), \u5219\u4e3a\u5176\u6458\u8981\u7684\u9a8c\u8bc1\u6307\u5b9a\u4e00\u4e2a\u516c\u5171\u7684\u5bc6\u94a5secret\r\n-t\uff1a\u5728\u6bcf\u884c\u8f93\u51fa\u4e2d\u4e0d\u6253\u5370\u65f6\u95f4\u6233\r\n-tt\uff1a\u4e0d\u5bf9\u6bcf\u884c\u8f93\u51fa\u7684\u65f6\u95f4\u8fdb\u884c\u683c\u5f0f\u5904\u7406(nt: \u8fd9\u79cd\u683c\u5f0f\u4e00\u773c\u53ef\u80fd\u770b\u4e0d\u51fa\u5176\u542b\u4e49, \u5982\u65f6\u95f4\u6233\u6253\u5370\u62101261798315)\r\n-ttt\uff1a\u8f93\u51fa\u65f6, \u6bcf\u4e24\u884c\u6253\u5370\u4e4b\u95f4\u4f1a\u5ef6\u8fdf\u4e00\u4e2a\u6bb5\u65f6\u95f4(\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d)\r\n-tttt\uff1a\u5728\u6bcf\u884c\u6253\u5370\u7684\u65f6\u95f4\u6233\u4e4b\u524d\u6dfb\u52a0\u65e5\u671f\u7684\u6253\u5370\r\n-v\uff1a\u8f93\u51fa\u4e00\u4e2a\u7a0d\u5fae\u8be6\u7ec6\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u5728ip\u5305\u4e2d\u53ef\u4ee5\u5305\u62ecttl\u548c\u670d\u52a1\u7c7b\u578b\u7684\u4fe1\u606f\r\n-vv\uff1a\u8f93\u51fa\u8be6\u7ec6\u7684\u62a5\u6587\u4fe1\u606f\r\n-x\uff1a\u7528\u5341\u516d\u8fdb\u5236\u5b57\u7801\u5217\u51fa\u6570\u636e\u5305\u8d44\u6599\r\n-w\uff1a\u628a\u6570\u636e\u5305\u6570\u636e\u5199\u5165\u6307\u5b9a\u7684\u6587\u4ef6<\/pre>\n<h3><strong>\u5b89\u88c5tcpdump<\/strong><\/h3>\n<pre>yum install -y tcpdump<\/pre>\n<h3><strong>\u9ed8\u8ba4\u542f\u52a8<br \/>\n\u666e\u901a\u60c5\u51b5\u4e0b\uff0c\u76f4\u63a5\u542f\u52a8tcpdump\u5c06\u76d1\u89c6\u7b2c\u4e00\u4e2a\u7f51\u7edc\u63a5\u53e3\u4e0a\u6240\u6709\u6d41\u8fc7\u7684\u6570\u636e\u5305<br \/>\n<\/strong><\/h3>\n<pre>tcpdump -vv<\/pre>\n<h3><strong>\u8fc7\u6ee4\u4e3b\u673a<br \/>\n\u6293\u53d6\u6240\u6709\u7ecf\u8fc7eth1\uff0c\u76ee\u7684\u6216\u6e90\u5730\u5740\u662f192.168.1.1\u7684\u7f51\u7edc\u6570\u636e<br \/>\n<\/strong><\/h3>\n<pre>tcpdump -i eth1 host 192.168.1.1<\/pre>\n<h3><strong>\u6307\u5b9a\u6e90\u5730\u5740\uff0c192.168.1.1<\/strong><\/h3>\n<pre>tcpdump -i eth1 src host 192.168.1.1<\/pre>\n<h3><strong>\u6307\u5b9a\u76ee\u7684\u5730\u5740\uff0c192.168.1.1<\/strong><\/h3>\n<pre>tcpdump -i eth1 dst host 192.168.1.1<\/pre>\n<h3><strong>\u8fc7\u6ee4\u7aef\u53e3<br \/>\n\u6293\u53d6\u6240\u6709\u7ecf\u8fc7eth1\uff0c\u76ee\u7684\u6216\u6e90\u7aef\u53e3\u662f80\u7684\u7f51\u7edc\u6570\u636e<br \/>\n<\/strong><\/h3>\n<pre>tcpdump -i eth1 port 80<\/pre>\n<h3><strong>\u6307\u5b9a\u6e90\u7aef\u53e3<\/strong><\/h3>\n<pre>tcpdump -i eth1 src port 80<\/pre>\n<h3><strong>\u6307\u5b9a\u76ee\u7684\u7aef\u53e3<\/strong><\/h3>\n<pre>tcpdump -i eth1 dst port 80<\/pre>\n<h3><strong>\u534f\u8bae\u8fc7\u6ee4<\/strong><\/h3>\n<pre>tcpdump -i eth1 arp\r\ntcpdump -i eth1 ip\r\ntcpdump -i eth1 tcp\r\ntcpdump -i eth1 udp\r\ntcpdump -i eth1 icmp<\/pre>\n<h3><strong>\u6293tcp\u67d0\u7aef\u53e3\u7684\u6570\u636e\u5305<\/strong><\/h3>\n<pre>tcpdump -i eth0 tcp port 21 -nn<\/pre>\n<h3><strong>\u5e38\u7528\u8868\u8fbe\u5f0f<\/strong><\/h3>\n<pre>\u975e : ! or \"not\" (\u53bb\u6389\u53cc\u5f15\u53f7)\r\n\u4e14 : &amp;&amp; or \"and\"\r\n\u6216 : || or \"or\"<\/pre>\n<h3><strong>\u6293\u53d6\u6240\u6709\u7ecf\u8fc7eth1\uff0c\u76ee\u7684\u5730\u5740\u662f192.168.1.254\u6216192.168.1.200\u7aef\u53e3\u662f80\u7684TCP\u6570<\/strong><\/h3>\n<pre>tcpdump -i eth1 '((tcp) and (port 80) and ((dst host 192.168.1.254) or (dst host 192.168.1.200)))'<\/pre>\n<h3><strong>\u6293\u53d6\u6240\u6709\u7ecf\u8fc7eth1\uff0c\u76ee\u6807MAC\u5730\u5740\u662f00:01:02:03:04:05\u7684ICMP\u6570\u636e<\/strong><\/h3>\n<pre>tcpdump -i eth1 '((icmp) and ((ether dst host 00:01:02:03:04:05)))'<\/pre>\n<h3><strong>\u6293\u53d6\u6240\u6709\u7ecf\u8fc7eth1\uff0c\u76ee\u7684\u7f51\u7edc\u662f192.168\uff0c\u4f46\u76ee\u7684\u4e3b\u673a\u4e0d\u662f192.168.1.200\u7684TCP\u6570\u636e<\/strong><\/h3>\n<pre>tcpdump -i eth1 '((tcp) and ((dst net 192.168) and (not dst host 192.168.1.200)))'<\/pre>\n<h1>2.Linux\u5e38\u7528\u7f51\u7edc\u547d\u4ee4<\/h1>\n<p>Centos-7\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u547d\u540d\u89c4\u5219\uff0c\u9ed8\u8ba4\u662f\u57fa\u4e8e\u56fa\u4ef6\u3001\u62d3\u6251\u3001\u4f4d\u7f6e\u4fe1\u606f\u6765\u5206\u914d\u3002\u8fd9\u6837\u505a\u7684\u4f18\u70b9\u662f\u547d\u540d\u662f\u5168\u81ea\u52a8\u7684\u3001\u53ef\u9884\u77e5\u7684\uff0c\u7f3a\u70b9\u662f\u6bd4eth0\u3001wlan0\u66f4\u96be\u8bfb\u3002\u6bd4\u5982enp5s0<\/p>\n<h2><strong>biosdevname\u548cnet.ifnames\u4e24\u79cd\u547d\u540d\u89c4\u8303<\/strong><\/h2>\n<h3><strong>net.ifnames\u7684\u547d\u540d\u89c4\u8303\u4e3a<\/strong><\/h3>\n<p>\u8bbe\u5907\u7c7b\u578b+\u8bbe\u5907\u4f4d\u7f6e+\u6570\u5b57<br \/>\n\u8bbe\u5907\u7c7b\u578b\uff1a<br \/>\nen \u8868\u793aEthernet<br \/>\nwl \u8868\u793aWLAN<br \/>\nww \u8868\u793a\u65e0\u7ebf\u5e7f\u57df\u7f51WWAN<br \/>\n\u5b9e\u9645\u7684\u4f8b\u5b50:<br \/>\neno1\u00a0 \u677f\u8f7d\u7f51\u5361<br \/>\nenp0s2 pci\u7f51\u5361<br \/>\nens33\u00a0 \u00a0pci\u7f51\u5361<br \/>\nwlp3s0\u00a0 \u00a0PCI\u65e0\u7ebf\u7f51\u5361<br \/>\nwwp0s29f7u2i2\u00a0 \u00a04G modem<br \/>\nwlp0s2f1u4u1\u00a0 \u00a0\u8fde\u63a5\u5728USB Hub\u4e0a\u7684\u65e0\u7ebf\u7f51\u5361<\/p>\n<h3><strong>biosdevname\u7684\u547d\u540d\u89c4\u8303\u4e3a<\/strong><\/h3>\n<p>\u6839\u636e\u7cfb\u7edfBIOS\u63d0\u4f9b\u7684\u4fe1\u606f\u5bf9\u7f51\u7edc\u63a5\u53e3\u8fdb\u884c\u91cd\u547d\u540d\u3002<br \/>\nem[1-N] #\u8868\u793a\u4e3b\u677f\uff08\u5d4c\u5165\u5f0f\uff09NIC \uff08\u5bf9\u5e94\u673a\u7bb1\u6807\u7b7e\uff09<br \/>\npci #\u8868\u793aPCI\u63d2\u69fd\u4e2d\u7684\u5361\uff0c\u7aef\u53e31\u81f3N<br \/>\n\u5b9e\u9645\u7684\u4f8b\u5b50:<br \/>\nem1\u00a0 \u677f\u8f7d\u7f51\u5361<br \/>\np3p4\u00a0 pci\u7f51\u5361<br \/>\np3p4_1\u00a0 \u865a\u62df\u7f51\u5361<\/p>\n<p>CentOS-7<br \/>\n\u9ed8\u8ba4\u5185\u6838\u53c2\u6570(biosdevname=0\uff08dell\u670d\u52a1\u5668\u9ed8\u8ba4\u662f1\uff09\uff0cnet.ifnames=1): \u7f51\u5361\u540d &#8220;enp5s2&#8221;<br \/>\nbiosdevname=1\uff0cnet.ifnames=0\uff1a\u7f51\u5361\u540d &#8220;em1&#8221;<br \/>\nbiosdevname=0\uff0cnet.ifnames=0\uff1a\u7f51\u5361\u540d &#8220;eth0&#8221; (\u6700\u4f20\u7edf\u7684\u65b9\u5f0f,eth0 eth1)<\/p>\n<p>\u5b9a\u4e49\u7f51\u5361\u547d\u4ee4\u89c4\u5219<br \/>\n\u5728\u5b89\u88c5\u7cfb\u7edf\u65f6\uff0c\u9009\u62e9\u5b89\u88c5\u9009\u9879\uff0c\u6309tab\u952e\uff0c\u5728\u8df3\u51fa\u7684\u4e00\u884c\u5185\u5bb9\u540e\u9762\u6dfb\u52a0net.ifnames=0 biosdevname=0<\/p>\n<h3><strong>\u547d\u4ee4\u884c\u8bbe\u7f6e\u7f51\u5361\u540d\u79f0\u89c4\u5219<\/strong><\/h3>\n<pre>[root@dmxsp ~]#cd \/etc\/sysconfig\/network-scripts\/ #\u4fee\u6539\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\r\n[root@dmxspnetwork-scripts]# mv ifcfg-ens33 ifcfg-eth0\r\n[root@dmxsp network-scripts]# sed -i \"s#ens33#eth0#g\" ifcfg-eth0\r\n[root@dmxsp ~]# vim \/etc\/sysconfig\/grub #GRUB\u6dfb\u52a0kernel\u53c2\u6570\r\nGRUB_CMDLINE_LINUX=\"...net.ifnames=0 biosdevname=0 quiet\"\r\n[root@dmxsps ~]# grub2-mkconfig -o \/boot\/grub2\/grub.cfg\r\n[root@dmxsp ~]# reboot #\u91cd\u542f\u7cfb\u7edf\u751f\u6548<\/pre>\n<h2><strong>\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u8be6\u89e3<\/strong><\/h2>\n<h3 class=\"Post-Title\"><strong>\u52a8\u6001ip\u5730\u5740\u548c\u9759\u6001ip\u6709\u4ec0\u4e48\u533a\u522b<\/strong><\/h3>\n<p data-first-child=\"\" data-pid=\"XeK1SXEc\">\u52a8\u6001IP\u4e0a\u7f51\uff0c\u53c8\u53eb\u505aDHCP\u4e0a\u7f51<br \/>\n\u81ea\u52a8\u83b7\u53d6IP\u4e0a\u7f51\u3002\u52a8\u6001IP\u8fd9\u79cd\u4e0a\u7f51\u65b9\u5f0f\uff0c\u5728\u672a\u4f7f\u7528\u8def\u7531\u5668\u7684\u60c5\u51b5\u4e0b\uff0c\u53ea\u9700\u8981\u628a\u8fd9\u6839\u5bbd\u5e26\u7f51\u7ebf\u8fde\u63a5\u5230\u7535\u8111\u4e0a\uff0c\u7535\u8111\u4e0a\u7684IP\u5730\u5740\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u83b7\u5f97\uff0c\u7535\u8111\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4e0a\u7f51\u4e86<\/p>\n<p data-pid=\"SDVputJM\">\u9759\u6001IP\u4e0a\u7f51\uff0c\u53c8\u53eb\u505a\u56fa\u5b9aIP\u5730\u5740\u4e0a\u7f51<br \/>\n\u8fd9\u79cd\u4e0a\u7f51\u65b9\u5f0f\uff0c\u5bbd\u5e26\u8fd0\u8425\u5546\u4f1a\u63d0\u4f9b\u4e00\u6839\u4e00\u4e2aIP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u3001\u7f51\u5173\u548cDNS\u670d\u52a1\u5668\u5730\u5740\u7ed9\u7528\u6237\u3002\u5728\u672a\u4f7f\u7528\u8def\u7531\u5668\u7684\u60c5\u51b5\u4e0b\uff0c\u53ea\u9700\u8981\u628a\u8fd9\u6839\u5165\u6237\u7f51\u7ebf\u8fde\u63a5\u5230\u7535\u8111\u4e0a\uff0c\u5e76\u4e14\u624b\u52a8\u8bbe\u7f6e\u7535\u8111\u4e0a\u7684IP\u5730\u5740\uff0c\u8fd9\u6837\u7535\u8111\u624d\u80fd\u4e0a\u7f51<\/p>\n<p data-pid=\"SDVputJM\">\u52a8\u6001IP\u548c\u9759\u6001IP\u7684\u533a\u522b\u5728\u4e8e\uff1a\u52a8\u6001IP\u9700\u8981\u5728\u8fde\u63a5\u7f51\u7edc\u65f6\u81ea\u52a8\u83b7\u53d6IP\u5730\u5740\u4ee5\u4f9b\u7528\u6237\u6b63\u5e38\u4e0a\u7f51\uff0c\u800c\u9759\u6001IP\u662fISP\u5728\u88c5\u673a\u65f6\u5206\u914d\u7ed9\u7528\u6237\u7684IP\u5730\u5740\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u4e0a\u7f51\uff0c\u4e0d\u9700\u8981\u83b7\u53d6IP\u5730\u5740<\/p>\n<h3><strong>\u52a8\u6001IP\u548c\u9759\u6001IP<\/strong><\/h3>\n<h4><strong>\u52a8\u6001ip<\/strong><\/h4>\n<pre>[root@dmxsp ~]# cat \/etc\/sysconfig\/network-scripts\/ifcfg-eth0\r\nTYPE=\"Ethernet\"\r\nPROXY_METHOD=\"none\"\r\nBROWSER_ONLY=\"no\"\r\nBOOTPROTO=\"dhcp\"\r\nDEFROUTE=\"yes\"\r\nIPV4_FAILURE_FATAL=\"no\"\r\nIPV6INIT=\"yes\"\r\nIPV6_AUTOCONF=\"yes\"\r\nIPV6_DEFROUTE=\"yes\"\r\nIPV6_FAILURE_FATAL=\"no\"\r\nIPV6_ADDR_GEN_MODE=\"stable-privacy\"\r\nNAME=\"eth0\"\r\nUUID=\"fb32c09d-5a9f-40b9-852b-0f44ff2202ed\"\r\nDEVICE=\"eth0\"\r\nONBOOT=\"yes\"<\/pre>\n<h4><strong>\u9759\u6001ip<\/strong><\/h4>\n<pre>[root@dmxsp ~]# cat \/etc\/sysconfig\/network-scripts\/ifcfg-eth0\r\nTYPE=\"Ethernet\"\r\nBOOTPROTO=\"static\"\r\nNAME=\"eth0\"\r\nDEVICE=\"eth0\"\r\nONBOOT=\"yes\"\r\nIPADDR=\"10.0.0.88\"\r\nNETMASK=\"255.255.255.0\"\r\nGATEWAY=\"10.0.0.254\"\r\nDNS1=\"223.5.5.5\"\r\nDNS2=\"223.6.6.6\"<\/pre>\n<h3><strong>\u8be6\u89e3<\/strong><\/h3>\n<p>TYPE=Ethernet\uff1a\u7f51\u5361\u7c7b\u578b\uff0c\u4e00\u822c\u662fEthernet\uff0c\u8fd8\u6709\u5176\u4ed6\u7684\u5982bond,bridge<\/p>\n<p>BOOTPROTO=dhcp\uff1a\u83b7\u53d6IP\u5730\u5740\u7684\u65b9\u5f0f\uff0c\u542f\u52a8\u7684\u534f\u8bae\uff0c\u83b7\u53d6\u914d\u7f6e\u7684\u65b9\u5f0f\u3002<br \/>\ndhcp\u8868\u793a\u52a8\u6001\u83b7\u53d6<br \/>\nstatic\u6216none\u8868\u793a\u9759\u6001\u624b\u5de5\u914d\u7f6e\uff0c\u82e5\u60f3\u4f7f\u7528\u672c\u5730\u914d\u7f6e\u597d\u7684IP\u5219\u5e94\u8be5\u8bbe\u7f6e\u6210\u8fd9\u4e2a<\/p>\n<p>DEFROUTE=yes:\u662f\u5426\u8bbe\u7f6e\u9ed8\u8ba4\u8def\u7531\uff0c\u82e5\u4e3ayes\u5219\u53ef\u4ee5\u5728\u8be5\u6587\u4ef6\u901a\u8fc7PREFIX\u8fd9\u4e2a\u53c2\u6570\u6765\u8bbe\u7f6e\u5b50\u7f51\u63a9\u7801<\/p>\n<p>PEERDNS=yes\uff1ayes\u8868\u793a\u7531DHCP\u6765\u83b7\u53d6DNS\uff0c no\u8868\u793a\/etc\/resolv.conf\u6765\u63a7\u5236\uff0c\u9ed8\u8ba4\u4e3ayes\u3002<br \/>\nyes\uff1a\u5982\u679cDNS\u8bbe\u7f6e\uff0c\u4fee\u6539\/etc\/resolv.conf\u4e2d\u7684DNS<br \/>\nno\uff1a\u4e0d\u4fee\u6539\/etc\/resolv.conf\u4e2d\u7684DNS<\/p>\n<p>NAME=eth0\uff1a\u8fd9\u4e2a\u53c2\u6570\u5bf9\u5e94\u7684\u503c\u662f\u7f51\u5361\u540d\uff0c\u662f\u7ed9\u7528\u6237\u770b\u7684<\/p>\n<p>UUID=&#8230; \uff1a\u901a\u7528\u552f\u4e00\u8bc6\u522b\u7801\uff0c\u82e5vmware\u514b\u9686\u7684\u865a\u62df\u673a\u65e0\u6cd5\u542f\u52a8\u7f51\u5361\u53ef\u4ee5\u53bb\u9664\u6b64\u9879<\/p>\n<p>DEVICE=eth0\uff1a\u7cfb\u7edf\u903b\u8f91\u8bbe\u5907\u540d<\/p>\n<p>ONBOOT=yes\uff1a\u5f00\u673a\u542f\u52a8\u65f6\u662f\u5426\u6fc0\u6d3b\u7f51\u5361\u8bbe\u5907\uff0ccentos7\u88c5\u5b8c\u7f51\u5361\u540e\u9ed8\u8ba4\u8bbe\u7f6e\u6210no<\/p>\n<p>HWADDR=&#8230; \uff1a\u4ee5\u592a\u7f51\u786c\u4ef6\u5730\u5740\uff0cmac\u5730\u5740\uff09\u3002\u82e5\u662fvmware\u514b\u9686\u7684\u865a\u62df\u673a\u65e0\u6cd5\u542f\u52a8\u7f51\u5361\uff0c\u4e5f\u8981\u6539\u8fd9\u4e2a\u3002<\/p>\n<p>NM_CONTROLLED=yes\uff1a\u662f\u5426\u901a\u8fc7NetworkManager\u7ba1\u7406\u7f51\u5361\u8bbe\u5907<\/p>\n<p>IPADDR=&#8230; \uff1a\u8bbe\u7f6e\u7f51\u5361\u5bf9\u5e94\u7684IP\u5730\u5740\uff0c\u7f51\u7edc\u670d\u52a1\u542f\u52a8\uff0c\u7f51\u5361\u6fc0\u6d3b\u540e\u4f1a\u81ea\u52a8\u5c06\u8be5\u5730\u5740\u914d\u7f6e\u5230\u7f51\u5361\u4e0a<br \/>\n\u524d\u63d0\uff08BOOTPROTO=static\uff09\u800c\u4e0d\u662fdhcp<\/p>\n<p>PREFIX=24\uff1a\u5b50\u7f51\u63a9\u7801\u957f\u5ea6\uff0c\u4e0d\u8981\u8fd9\u4e48\u5199PREFIX=255.255.255.0<\/p>\n<p>NETMASK=255.255.255.0\uff1a\u751f\u4ea7\u73af\u5883\u4e2d\u4e00\u822c\u7528\u8fd9\u79cd\u65b9\u5f0f\u6307\u5b9a\u5b50\u7f51\u63a9\u7801<\/p>\n<p>GATEWAY=10.0.0.254\uff1a\u8be5\u7f51\u5361\u914d\u7f6e\u7684IP\u5bf9\u5e94\u7684\u7f51\u5173\uff08\u9ed8\u8ba4\u8def\u7531\uff09<br \/>\n\u82e5\u4e3b\u673a\u662f\u591a\u7f51\u5361\u8bbe\u5907\uff0c\u8be5\u53c2\u6570\u53ea\u80fd\u5728\u4e00\u4e2a\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u91cc\u9762\u51fa\u73b0\uff0c\u4e00\u53f0\u4e3b\u673a\u53ea\u6709\u4e00\u4e2a\u9ed8\u8ba4\u8def\u7531<\/p>\n<p>DNS1=&#8230;\uff1a\u4e3bDNS,\u82e5\u8fd9\u91cc\u8bbe\u7f6e\u4e86\u503c\uff0c\u5219\u4f1a\u4f18\u5148\u4e8e\/etc\/resolv.conf\u4e2d\u8bbe\u7f6e\u7684DNS\u670d\u52a1\u5668\u7684\u5730\u5740<br \/>\n\u9700\u8981\u548c\u201cPEERDNS=no\u201d\u914d\u5408\u4f7f\u7528<\/p>\n<p>DNS2=&#8230; \uff1a\u6b21dns<\/p>\n<p>USERCTL=no\uff1aUSERCTL=yes\/no\u662f\u5426\u5141\u8bb8\u975eroot\u7528\u6237\u63a7\u5236\u8be5\u8bbe\u5907<\/p>\n<p>IPV6INIT=no\uff1a\u662f\u5426\u542f\u7528IPV6<\/p>\n<p>BROADCAST=&#8230;\uff1a\u5e7f\u64ad\u5730\u5740<\/p>\n<p>PROXY_METHOD=none\uff1a\u4ee3\u7406\u65b9\u5f0f\uff0c\u4e00\u822c\u4e0d\u7528\u8fd9\u4e2a\u53c2\u6570<\/p>\n<p>BROWSER_ONLY=no\uff1a\u6ca1\u6709\u4ec0\u4e48\u7528\u3002<\/p>\n<h3><strong>\u4fee\u6539\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u7684\u65b9\u6cd5<\/strong><\/h3>\n<pre>vim \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/pre>\n<p>nmtui\uff1a\u9700\u8981\u5f00\u542fNetworkManger<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[12],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/436"}],"collection":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=436"}],"version-history":[{"count":15,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/436\/revisions"}],"predecessor-version":[{"id":773,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/436\/revisions\/773"}],"wp:attachment":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}