{"id":923,"date":"2021-02-06T23:57:04","date_gmt":"2021-02-06T15:57:04","guid":{"rendered":"https:\/\/byy3.com\/?p=923"},"modified":"2021-03-26T05:42:02","modified_gmt":"2021-03-25T21:42:02","slug":"%e7%ae%80%e5%8d%95%e7%9a%84dos%e6%94%bb%e5%87%bb%e4%b9%8b%e6%ad%bb%e4%ba%a1%e4%b9%8bping%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/byy3.com\/?p=923","title":{"rendered":"\u7b80\u5355\u7684DOS\u653b\u51fb\u4e4b\u6b7b\u4ea1\u4e4bping\u8be6\u89e3"},"content":{"rendered":"<p>DOS\u653b\u51fb\u4e4b\u6b7b\u4ea1\u4e4bping\u8be6\u89e3\uff0cdos\u653b\u51fb\uff0c\u4fd7\u79f0\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u901a\u8fc7\u53d1\u9001\u5927\u91cf\u7684\u65e0\u7528\u8bf7\u6c42\u6570\u636e\u5305\u7ed9\u670d\u52a1\u5668\uff0c\u8017\u5c3d\u670d\u52a1\u5668\u8d44\u6e90\uff0c\u4ece\u800c\u65e0\u6cd5\u901a\u8fc7\u6b63\u5e38\u7684\u8bbf\u95ee\u670d\u52a1\u5668\u8d44\u6e90\uff0c\u5bfc\u81f4\u670d\u52a1\u5668\u5d29\u6e83\u3002<\/p>\n<p>\u5982\u679c\u591a\u4e2aip\u901a\u8fc7\u53d1\u8d77\u5bf9\u4e00\u4e2a\u670d\u52a1\u5668\u7684\u653b\u51fb\uff0c\u5982\u679c\u65e0\u9632\u5fa1\u63aa\u65bd\uff0c\u4e0d\u7ba1\u670d\u52a1\u5668\u5185\u5b58\u591a\u5927\uff0c\u5bbd\u5e26\u591a\u5bbd\uff0cCPU\u591a\u5feb\uff0c\u90fd\u65e0\u6cd5\u62b5\u5fa1\u8fd9\u79cd\u653b\u51fb\u3002<\/p>\n<p>\u52aa\u529b\u627e\u4e86\u534a\u5929\uff0c\u5728\u4e00\u7bc7\u6587\u7ae0\u7684\u5b57\u91cc\u884c\u95f4\u53d1\u73b0\u4e86 ping \u7684\u6765\u5386\uff5e<\/p>\n<p>root@node2:\/# apt-get install inetutils-ping<\/p>\n<p>\u8fd8\u6709ifconfig \u00a0 \u53ef\u4ee5\u7528 apt-get install net-tools \u6765\u5b89\u88c5\uff5e<\/p>\n<p><strong>\u6216\u8005fping\u00a0 <\/strong><\/p>\n<p><strong>fping 192.168.0.1 192.168.0.125 192.168.0.126 2&gt;\/dev\/null<\/strong><\/p>\n<p>fping -g 192.168.1.0\/24 2&gt;\/dev\/null<\/p>\n<hr \/>\n<h1 id=\"articleContentId\" class=\"title-article\">tcping\u66ff\u4ee3ping\u6765\u9a8c\u8bc1\u670d\u52a1\u5668\u662f\u5426\u8fd0\u884c\u6b63\u5e38<\/h1>\n<p>\u4f7f\u7528tcping<\/p>\n<p>$ tcping<br \/>\nerror: Usage: tcping [-q] [-t timeout_sec] [-u timeout_usec] &lt;host&gt; &lt;port&gt;<\/p>\n<p>$ tcping -t 3 www.baidu.com 80<\/p>\n<p>$ echo $?<\/p>\n<p>\u6839\u636e$?\u7684\u8fd4\u56de\u503c, README\u91cc\u9762\u6709\u8be6\u7ec6\u7684\u8bf4\u660e\uff1a<\/p>\n<p>Return values to the shell are:<br \/>\n-1 \u00a0 \u00a0 \u00a0an error occured<br \/>\n0 \u00a0 \u00a0 \u00a0 port is open<br \/>\n1 \u00a0 \u00a0 \u00a0 port is closed<br \/>\n2 \u00a0 \u00a0 \u00a0 connection establishment timed out<br \/>\n\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n<p>\u6b7b\u4ea1\u4e4bping\u4ee3\u7801\uff1a<\/p>\n<p>\u6253\u5f00\u7cfb\u7edf\u7684\u547d\u4ee4\u7a97\u53e3\uff0cwindows\u7535\u8111\u6309win+R \uff0c\u8f93\u5165cmd\u547d\u4ee4\u540e\u8fdb\u5165\u547d\u4ee4\u754c\u9762\uff1a<\/p>\n<p>\u8f93\u5165\uff1a\u00a0<code>ping -l 65500 \u76ee\u6807ip -t<\/code>\u00a0\uff0865500 \u8868\u793a\u6570\u636e\u957f\u5ea6\u4e0a\u9650\uff0c-t \u8868\u793a\u4e0d\u505c\u5730ping\u76ee\u6807\u5730\u5740\uff09 \u8fd9\u5c31\u662f\u7b80\u5355\u7684\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002<\/p>\n<ol class=\"linenums\">\n<li class=\"L0\"><span class=\"pln\">ping\u00a0<\/span><span class=\"pun\">-<\/span><span class=\"pln\">l\u00a0<\/span><span class=\"lit\">65500<\/span><span class=\"pln\">\u00a0<\/span><span class=\"lit\">192.168<\/span><span class=\"pun\">.<\/span><span class=\"lit\">1.1<\/span><span class=\"pln\">\u00a0<\/span><span class=\"pun\">-<\/span><span class=\"pln\">t<\/span><img decoding=\"async\" data-original=\"https:\/\/byy3.com\/wp-content\/uploads\/2021\/02\/post-923-601ebd2bb13fa.png\" src=\"https:\/\/byy3.com\/wp-content\/themes\/MNews%20V2.4\/images\/post-loading.gif\" title=\"\u7b80\u5355\u7684DOS\u653b\u51fb\u4e4b\u6b7b\u4ea1\u4e4bping\u8be6\u89e3\u63d2\u56fe\" alt=\"\u7b80\u5355\u7684DOS\u653b\u51fb\u4e4b\u6b7b\u4ea1\u4e4bping\u8be6\u89e3\u63d2\u56fe\" \/><\/li>\n<\/ol>\n<p><strong>\u67e5\u627eip\u5b58\u6d3b\u65b9\u6cd5<\/strong><\/p>\n<p>1,\u4f7f\u7528arp -a\u67e5\u770bip\u7f13\u5b58\u4e2d\u5b58\u5728\u7684ip\u5730\u5740<strong><br \/>\n<\/strong><\/p>\n<p>2\uff0c\u4f7f\u7528netstat -a\u67e5\u770b\u76d1\u542c\u4e0e\u672c\u673a\u901a\u4fe1\u4e2d\u7684ip\u548c\u7aef\u53e3\u200b<\/p>\n<p>2,\u7f16\u5199\u4e00\u4e2aping.bat\/windows\u6279\u5904\u7406\u6587\u4ef6\uff0c\u81ea\u52a8\u53d1\u9001ping\u6570\u636e\u5305\u68c0\u6d4b\u7f51\u6bb5\u5185\u4ece1-254\u7684\u4e3b\u673a\u5728\u7ebf\u68c0\u6d4b\u7136\u540eping -a\u00a0192.168.1.254\u200b \u67e5\u627e\u4e3b\u673a\u540d\u79f0\u3002\u4e0b\u9762\u662fbat\u811a\u672c\u4ee3\u7801<\/p>\n<p>@echo off<\/p>\n<p>set \/p ip=\"\u8bf7\u8f93\u5165IP\u5730\u5740\u6bb5\uff0c\u683c\u5f0f\u5982\uff1a\"192.168.1.\" &gt;&gt;&gt; \"<\/p>\n<p>for \/L %%i in (1,1,254) do (<\/p>\n<p>Ping.exe -n 1 -l 16 -w 100 %ip%%%i&gt;&gt;ipscan.txt<\/p>\n<p>if not errorlevel 1 (echo %ip%%%i \u53ef\u4ee5ping\u901a)<\/p>\n<p>)<\/p>\n<p>pause<\/p>\n<p><strong>\u6b7b\u4ea1\u4e4bping\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u5462\uff1f<\/strong><br \/>\n\u9996\u5148\u662f\u56e0\u4e3a\u4ee5\u592a\u7f51\u957f\u5ea6\u6709\u9650\uff0cIP\u5305\u7247\u6bb5\u88ab\u5206\u7247\u3002\u5f53\u4e00\u4e2aIP\u5305\u7684\u957f\u5ea6\u8d85\u8fc7\u4ee5\u592a\u7f51\u5e27\u7684\u6700\u5927\u5c3a\u5bf8\uff08\u4ee5\u592a\u7f51\u5934\u90e8\u548c\u5c3e\u90e8\u9664\u5916\uff09\u65f6\uff0c\u5305\u5c31\u4f1a\u88ab\u5206\u7247\uff0c\u4f5c\u4e3a\u591a\u4e2a\u5e27\u6765\u53d1\u9001\u3002\u63a5\u6536\u7aef\u7684\u673a\u5668\u63d0\u53d6\u5404\u4e2a\u5206\u7247\uff0c\u5e76\u91cd\u7ec4\u4e3a\u4e00\u4e2a\u5b8c\u6574\u7684IP\u5305\u3002\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0cIP\u5934\u5305\u542b\u6574\u4e2aIP\u5305\u7684\u957f\u5ea6\u3002\u5f53\u4e00\u4e2aIP\u5305\u88ab\u5206\u7247\u4ee5\u540e\uff0c\u5934\u53ea\u5305\u542b\u5404\u4e2a\u5206\u7247\u7684\u957f\u5ea6\u3002\u5206\u7247\u5e76\u4e0d\u5305\u542b\u6574\u4e2aIP\u5305\u7684\u957f\u5ea6\u4fe1\u606f\uff0c\u56e0\u6b64IP\u5305\u4e00\u65e6\u88ab\u5206\u7247\uff0c\u91cd\u7ec4\u540e\u7684\u6574\u4e2aIP\u5305\u7684\u603b\u957f\u5ea6\u53ea\u6709\u5728\u6240\u5728\u5206\u7247\u90fd\u63a5\u53d7\u5b8c\u6bd5\u4e4b\u540e\u624d\u80fd\u786e\u5b9a\u3002<br \/>\n\u5728IP\u534f\u8bae\u89c4\u8303\u4e2d\u89c4\u5b9a\u4e86\u4e00\u4e2aIP\u5305\u7684\u6700\u5927\u5c3a\u5bf8\uff0c\u800c\u5927\u591a\u6570\u7684\u5305\u5904\u7406\u7a0b\u5e8f\u53c8\u5047\u8bbe\u5305\u7684\u957f\u5ea6\u8d85\u8fc7\u8fd9\u4e2a\u6700\u5927\u5c3a\u5bf8\u8fd9\u79cd\u60c5\u51b5\u662f\u4e0d\u4f1a\u51fa\u73b0\u7684\u3002\u56e0\u6b64\uff0c\u5305\u7684\u91cd\u7ec4\u4ee3\u7801\u6240\u5206\u914d\u7684\u5185\u5b58\u533a\u57df\u4e5f\u6700\u5927\u4e0d\u8d85\u8fc7\u8fd9\u4e2a\u6700\u5927\u5c3a\u5bf8\u3002\u8fd9\u6837\uff0c\u8d85\u5927\u7684\u5305\u4e00\u65e6\u51fa\u73b0\uff0c\u5305\u5f53\u4e2d\u7684\u989d\u5916\u6570\u636e\u5c31\u4f1a\u88ab\u5199\u5165\u5176\u4ed6\u6b63\u5e38\u533a\u57df\u3002\u8fd9\u5f88\u5bb9\u6613\u5bfc\u81f4\u7cfb\u7edf\u8fdb\u5165\u975e\u7a33\u5b9a\u72b6\u6001\uff0c\u662f\u4e00\u79cd\u5178\u578b\u7684\u7f13\u5b58\u6ea2\u51fa\uff08Buffer Overflow\uff09\u653b\u51fb\u3002\u5728\u9632\u706b\u5899\u4e00\u7ea7\u5bf9\u8fd9\u79cd\u653b\u51fb\u8fdb\u884c\u68c0\u6d4b\u662f\u76f8\u5f53\u96be\u7684\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u5206\u7247\u5305\u770b\u8d77\u6765\u90fd\u5f88\u6b63\u5e38\u3002<br \/>\n\u7531\u4e8e\u4f7f\u7528ping\u5de5\u5177\u5f88\u5bb9\u6613\u5b8c\u6210\u8fd9\u79cd\u653b\u51fb\uff0c\u4ee5\u81f3\u4e8e\u5b83\u4e5f\u6210\u4e86\u8fd9\u79cd\u653b\u51fb\u7684\u9996\u9009\u6b66\u5668\uff0c\u8fd9\u4e5f\u662f\u8fd9\u79cd\u653b\u51fb\u540d\u5b57\u7684\u7531\u6765\u3002\u5f53\u7136\uff0c\u8fd8\u6709\u5f88\u591a\u7a0b\u5e8f\u90fd\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u56e0\u6b64\u4ec5\u4ec5\u963b\u585eping\u7684\u4f7f\u7528\u5e76\u4e0d\u80fd\u5b8c\u5168\u89e3\u51b3\u8fd9\u4e2a\u6f0f\u6d1e\u3002\u9884\u9632\u6b7b\u4ea1\u4e4bping\u7684\u6700\u597d\u65b9\u6cd5\u662f\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u6253\u8865\u4e01\uff0c\u4f7f\u5185\u6838\u5c06\u4e0d\u518d\u5bf9\u8d85\u8fc7\u89c4\u5b9a\u957f\u5ea6\u7684\u5305\u8fdb\u884c\u91cd\u7ec4\u3002<\/p>\n<p><strong>\u5e38\u89c1\u653b\u51fb\u4e0e\u9632\u8303<\/strong><\/p>\n<p>SYN Flood\u653b\u51fb:<br \/>\n\u95ee\u9898\u5c31\u51fa\u5728TCP\u8fde\u63a5\u7684\u4e09\u6b21\u63e1\u624b\u4e2d\uff0c\u5047\u8bbe\u4e00\u4e2a\u7528\u6237\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e86SYN\u62a5\u6587\u540e\u7a81\u7136\u6b7b\u673a\u6216\u6389\u7ebf\uff0c\u90a3\u4e48\u670d\u52a1\u5668\u5728\u53d1\u51faSYN+ACK\u5e94\u7b54\u62a5\u6587\u540e\u662f\u65e0\u6cd5\u6536\u5230\u5ba2\u6237\u7aef\u7684ACK\u62a5\u6587\u7684\uff08\u7b2c\u4e09\u6b21\u63e1\u624b\u65e0\u6cd5\u5b8c\u6210\uff09\uff0c\u8fd9 \u79cd\u60c5\u51b5\u4e0b\u670d\u52a1\u5668\u7aef\u4e00\u822c\u4f1a\u91cd\u8bd5\uff08\u518d\u6b21\u53d1\u9001SYN+ACK\u7ed9\u5ba2\u6237\u7aef\uff09\u5e76\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u4e22\u5f03\u8fd9\u4e2a\u672a\u5b8c\u6210\u7684\u8fde\u63a5\uff0c\u8fd9\u6bb5\u65f6\u95f4\u7684\u957f\u5ea6\u6211\u4eec\u79f0\u4e3aSYN Timeout\uff0c\u4e00\u822c\u6765\u8bf4\u8fd9\u4e2a\u65f6\u95f4\u662f\u5206\u949f\u7684\u6570\u91cf\u7ea7\uff08\u5927\u7ea6\u4e3a30\u79d2 -2\u5206\u949f\uff09\uff1b\u4e00\u4e2a\u7528\u6237\u51fa\u73b0\u5f02\u5e38\u5bfc\u81f4\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u7ebf\u7a0b\u7b49\u5f851\u5206\u949f\u5e76\u4e0d\u662f\u4ec0\u4e48\u5f88\u5927\u7684\u95ee\u9898\uff0c\u4f46\u5982\u679c\u6709\u4e00\u4e2a\u6076\u610f\u7684\u653b\u51fb\u8005\u5927\u91cf\u6a21\u62df\u8fd9\u79cd\u60c5\u51b5\uff0c\u670d\u52a1\u5668\u7aef\u5c06\u4e3a\u4e86\u7ef4\u62a4\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u534a\u8fde\u63a5\u5217\u8868\u800c\u6d88\u8017\u975e\u5e38\u591a\u7684\u8d44\u6e90----\u6570\u4ee5\u4e07\u8ba1\u7684\u534a\u8fde\u63a5\uff0c\u5373\u4f7f\u662f\u7b80\u5355\u7684\u4fdd\u5b58\u5e76\u904d\u5386\u4e5f\u4f1a\u6d88\u8017\u975e\u5e38\u591a\u7684CPU\u65f6\u95f4\u548c\u5185\u5b58\uff0c\u4f55\u51b5\u8fd8\u8981\u4e0d\u65ad\u5bf9\u8fd9\u4e2a\u5217\u8868\u4e2d\u7684IP\u8fdb\u884cSYN+ACK\u7684\u91cd\u8bd5\u3002\u5b9e\u9645\u4e0a\u5982\u679c\u670d\u52a1\u5668\u7684TCP\/IP\u6808\u4e0d\u591f\u5f3a\u5927\uff0c\u6700 \u540e\u7684\u7ed3\u679c\u5f80\u5f80\u662f\u5806\u6808\u6ea2\u51fa\u5d29\u6e83---\u5373\u4f7f\u670d\u52a1\u5668\u7aef\u7684\u7cfb\u7edf\u8db3\u591f\u5f3a\u5927\uff0c\u670d\u52a1\u5668\u7aef\u4e5f\u5c06\u5fd9\u4e8e\u5904\u7406\u653b\u51fb\u8005\u4f2a\u9020\u7684TCP\u8fde\u63a5\u8bf7\u6c42\u800c\u65e0\u6687\u7406\u776c\u5ba2\u6237\u7684\u6b63\u5e38\u8bf7\u6c42\uff08\u6bd5\u7adf\u5ba2\u6237\u7aef\u7684\u6b63\u5e38\u8bf7\u6c42\u6bd4\u7387\u975e\u5e38\u4e4b\u5c0f\uff09\uff0c\u6b64\u65f6\u4ece \u6b63\u5e38\u5ba2\u6237\u7684\u89d2\u5ea6\u770b\u6765\uff0c\u670d\u52a1\u5668\u5931\u53bb\u54cd\u5e94\uff0c\u8fd9\u79cd\u60c5\u51b5\u6211\u4eec\u79f0\u4f5c\uff1a\u670d\u52a1\u5668\u7aef\u53d7\u5230\u4e86SYN Flood\u653b\u51fb\uff08SYN\u6d2a\u6c34\u653b\u51fb\uff09\u3002<br \/>\n\u9632\u8303\uff1a<br \/>\n\u7b2c\u4e00\u79cd\u662f\u7f29\u77edSYN Timeout\u65f6\u95f4<br \/>\n\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\u8bbe\u7f6eSYN Cookie\uff0c\u5c31\u662f\u7ed9\u6bcf\u4e00\u4e2a\u8bf7\u6c42\u8fde\u63a5\u7684IP\u5730\u5740\u5206\u914d\u4e00\u4e2aCookie\uff0c\u5982\u679c\u77ed\u65f6\u95f4\u5185\u8fde\u7eed\u53d7\u5230\u67d0\u4e2aIP\u7684\u91cd\u590dSYN\u62a5\u6587\uff0c\u5c31\u8ba4\u5b9a\u662f\u53d7\u5230\u4e86\u653b\u51fb\uff0c\u4ee5\u540e\u4ece\u8fd9\u4e2aIP\u5730\u5740\u6765\u7684\u5305\u4f1a\u88ab\u4e00\u6982\u4e22\u5f03\u3002<\/p>\n<blockquote><p>netstat -n -p tcp &gt;result.txt<\/p><\/blockquote>\n<p>Smurf\u653b\u51fb\uff1a<br \/>\n\u53d1\u9001\u4f2a\u88c5\u7684ICMP\u6570\u636e\u5305\uff0c\u76ee\u7684\u5730\u5740\u8bbe\u4e3a\u67d0\u4e2a\u7f51\u7edc\u7684\u5e7f\u64ad\u5730\u5740\uff0c\u6e90\u5730\u5740\u8bbe\u4e3a\u8981\u653b\u51fb\u7684\u76ee\u7684\u4e3b\u673a\uff0c\u4f7f\u6240\u6709\u6536\u5230\u6b64ICMP\u6570\u636e\u5305\u7684\u4e3b\u673a\u90fd\u5c06\u5bf9\u76ee\u7684\u4e3b\u673a\u53d1\u51fa\u4e00\u4e2a\u56de\u5e94\uff0c\u4f7f\u88ab\u653b\u51fb\u4e3b\u673a\u5728\u67d0\u4e00\u6bb5\u65f6\u95f4\u5185\u6536\u5230 \u6210\u5343\u4e0a\u4e07\u7684\u6570\u636e\u5305<br \/>\n\u9632\u8303\uff1a<br \/>\n\u5728cisco\u8def\u7531\u5668\u4e0a\u914d\u7f6e\u5982\u4e0b\u53ef\u4ee5\u9632\u6b62\u5c06\u5305\u4f20\u9012\u5230\u5e7f\u64ad\u5730\u5740\u4e0a:<br \/>\nRouter(config-if)# no ip directed-broadcast<br \/>\nPing of Death:<br \/>\n\"ping ofdeath\"\u653b\u51fb\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\"\u6b7b\u4ea1Ping\"<br \/>\n\u8fd9\u79cd\u653b\u51fb\u901a\u8fc7\u53d1\u9001\u5927\u4e8e65536\u5b57\u8282\u7684ICMP\u5305\u4f7f\u64cd\u4f5c\u7cfb\u7edf\u5d29\u6e83\uff1b\u901a\u5e38\u4e0d\u53ef\u80fd\u53d1\u9001\u5927\u4e8e65536\u4e2a\u5b57\u8282\u7684ICMP\u5305\uff0c\u4f46\u53ef\u4ee5\u628a\u62a5\u6587\u5206\u5272\u6210\u7247\u6bb5\uff0c\u7136\u540e\u5728\u76ee\u6807\u4e3b\u673a\u4e0a\u91cd\u7ec4\uff1b\u6700\u7ec8\u4f1a\u5bfc\u81f4\u88ab\u653b\u51fb\u76ee\u6807\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u5f15\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002\u6709\u4e9b\u65f6\u5019\u5bfc\u81f4telne\u548chttp\u670d\u52a1\u505c\u6b62\uff0c\u6709\u4e9b\u65f6\u5019\u8def\u7531\u5668\u91cd\u542f\u3002<br \/>\nteardown\u653b\u51fb:<br \/>\n\u5bf9\u4e8e\u4e00\u4e9b\u5927\u7684IP\u6570\u636e\u5305\uff0c\u5f80\u5f80\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u62c6\u5206\u4f20\u9001\uff0c\u8fd9\u662f\u4e3a\u4e86\u8fce\u5408\u94fe\u8def\u5c42\u7684MTU\uff08\u6700\u5927\u4f20\u8f93\u5355\u5143\uff09\u7684\u8981\u6c42\u3002\u6bd4\u5982\uff0c\u4e00\u4e2a6 000\u5b57\u8282\u7684IP\u5305\uff0c\u5728MTU\u4e3a2 000\u7684\u94fe\u8def\u4e0a\u4f20\u8f93\u7684\u65f6\u5019\uff0c\u5c31\u9700\u8981\u5206\u62103\u4e2aIP \u5305\u3002\u5728IP\u62a5\u5934\u4e2d\u6709\u4e00\u4e2a\u504f\u79fb\u5b57\u6bb5\u548c\u4e00\u4e2a\u62c6\u5206\u6807\u5fd7\uff08MF\uff09\u3002\u5982\u679cMF\u6807\u5fd7\u8bbe\u7f6e\u4e3a1\uff0c\u5219\u8868\u793a\u8fd9\u4e2aIP\u5305\u662f\u4e00\u4e2a\u5927IP\u5305\u7684\u7247\u6bb5\uff0c\u5176\u4e2d\u504f\u79fb\u5b57\u6bb5\u6307\u51fa\u4e86\u8fd9\u4e2a\u7247\u6bb5\u5728\u6574\u4e2aIP\u5305\u4e2d\u7684\u4f4d\u7f6e\u3002\u4f8b\u5982\uff0c\u5bf9\u4e00\u4e2a6 000\u5b57 \u8282\u7684IP\u5305\u8fdb\u884c\u62c6\u5206\uff08MTU\u4e3a2 000\uff09\uff0c\u52193\u4e2a\u7247\u6bb5\u4e2d\u504f\u79fb\u5b57\u6bb5\u7684\u503c\u4f9d\u6b21\u4e3a0\uff0c2000\uff0c4 000\u3002\u8fd9\u6837\u63a5\u6536\u7aef\u5728\u5168\u90e8\u63a5\u6536\u5b8cIP\u6570\u636e\u5305\u540e\uff0c\u5c31\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u91cd\u65b0\u7ec4\u88c5\u8fd9\u51e0\u4e2a\u5206\u6b21\u63a5\u6536\u7684\u62c6\u5206IP\u5305\u3002\u5728\u8fd9 \u91cc\u5c31\u6709\u4e00\u4e2a\u5b89\u5168\u6f0f\u6d1e\u53ef\u4ee5\u5229\u7528\u4e86\uff0c\u5c31\u662f\u5982\u679c\u9ed1\u5ba2\u4eec\u5728\u622a\u53d6IP\u6570\u636e\u5305\u540e\uff0c\u628a\u504f\u79fb\u5b57\u6bb5\u8bbe\u7f6e\u6210\u4e0d\u6b63\u786e\u7684\u503c\uff0c\u8fd9\u6837\u63a5\u6536\u7aef\u5728\u6536\u5230\u8fd9\u4e9b\u5206\u62c6\u7684\u6570\u636e\u5305\u540e\uff0c\u5c31\u4e0d\u80fd\u6309\u6570\u636e\u5305\u4e2d\u7684\u504f\u79fb\u5b57\u6bb5\u503c\u6b63\u786e\u7ec4\u5408\u8fd9\u4e9b\u62c6\u5206\u7684\u6570\u636e\u5305\uff0c\u4f46\u63a5\u6536\u7aef\u4f1a\u4e0d\u65ad\u5c1d\u8bd5\uff0c\u8fd9\u6837\u5c31\u53ef\u80fd\u81f4\u4f7f\u76ee\u6807\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u56e0\u8d44\u6e90\u8017\u5c3d\u800c\u5d29\u6e83\u3002<br \/>\nLand\uff08LandAttack\uff09\u653b\u51fb:<br \/>\n\u5728Land\u653b\u51fb\u4e2d\uff0c\u9ed1\u5ba2\u5229\u7528\u4e00\u4e2a\u7279\u522b\u6253\u9020\u7684SYN\u5305--\u5b83\u7684\u539f\u5730\u5740\u548c\u76ee\u6807\u5730\u5740\u90fd\u88ab\u8bbe\u7f6e\u6210\u67d0\u4e00\u4e2a\u670d\u52a1\u5668\u5730\u5740\u8fdb\u884c\u653b\u51fb\u3002\u6b64\u4e3e\u5c06\u5bfc\u81f4\u63a5\u53d7\u670d\u52a1\u5668\u5411\u5b83\u81ea\u5df1\u7684\u5730\u5740\u53d1\u9001SYN-ACK\u6d88\u606f\uff0c\u7ed3\u679c\u8fd9\u4e2a\u5730\u5740\u53c8\u53d1\u56deACK\u6d88\u606f\u5e76\u521b\u5efa\u4e00\u4e2a\u7a7a\u8fde\u63a5\uff0c\u6bcf\u4e00\u4e2a\u8fd9\u6837\u7684\u8fde\u63a5\u90fd\u5c06\u4fdd\u7559\u76f4\u5230\u8d85\u65f6\uff0c\u5728Land\u653b\u51fb\u4e0b\uff0c\u8bb8\u591aUNIX\u5c06\u5d29\u6e83\uff0cNT\u53d8\u5f97\u6781\u5176\u7f13\u6162\uff08\u5927\u7ea6\u6301\u7eed\u4e94\u5206\u949f\uff09\u3002<\/p>\n<p>IP\u6b3a\u9a97:<br \/>\n\u8fd9\u79cd\u653b\u51fb\u5229\u7528TCP\u534f\u8bae\u6808\u7684RST\u4f4d\u6765\u5b9e\u73b0\uff0c\u4f7f\u7528IP\u6b3a\u9a97\uff0c\u8feb\u4f7f\u670d\u52a1\u5668\u628a\u5408\u6cd5\u7528\u6237\u7684\u8fde\u63a5\u590d\u4f4d\uff0c\u5f71\u54cd\u5408\u6cd5\u7528\u6237\u7684\u8fde\u63a5\u3002\u5047\u8bbe\u6709\u4e00\u4e2a\u5408\u6cd5\u7528\u6237\uff08100.100.100.100\uff09\u5df2\u7ecf\u540c\u670d\u52a1\u5668\u5efa\u4e86\u6b63\u5e38\u7684\u8fde\u63a5\uff0c\u653b\u51fb\u8005\u6784\u9020\u653b\u51fb\u7684TCP\u6570\u636e\uff0c\u4f2a\u88c5\u81ea\u5df1\u7684IP\u4e3a100.100.100.100\uff0c\u5e76\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u5e26\u6709RST\u4f4d\u7684TCP\u6570\u636e\u6bb5\u3002\u670d\u52a1\u5668\u63a5\u6536\u5230\u8fd9\u6837\u7684\u6570\u636e\u540e\uff0c\u8ba4\u4e3a\u4ece100.100.100.100\u53d1\u9001\u7684\u8fde\u63a5\u6709\u9519\u8bef\uff0c\u5c31\u4f1a\u6e05\u7a7a\u7f13\u51b2\u533a\u4e2d\u5df2\u5efa\u7acb\u597d\u7684\u8fde\u63a5\u3002\u8fd9\u65f6\uff0c\u5408\u6cd5\u7528\u6237100.100.100.100\u518d\u53d1\u9001\u5408\u6cd5\u6570\u636e\uff0c\u670d\u52a1\u5668\u5c31\u5df2\u7ecf\u6ca1\u6709\u8fd9\u6837\u7684\u8fde\u63a5\u4e86\uff0c\u8be5\u7528\u6237\u5c31\u88ab\u62d2\u7edd\u670d\u52a1\u800c\u53ea\u80fd\u91cd\u65b0\u5f00\u59cb\u5efa\u7acb\u65b0\u7684\u8fde\u63a5\u3002<\/p>\n<p><img decoding=\"async\" data-original=\"https:\/\/byy3.com\/wp-content\/uploads\/2021\/02\/post-923-601ebd2beccfe.png\" src=\"https:\/\/byy3.com\/wp-content\/themes\/MNews%20V2.4\/images\/post-loading.gif\" title=\"\u7b80\u5355\u7684DOS\u653b\u51fb\u4e4b\u6b7b\u4ea1\u4e4bping\u8be6\u89e3\u63d2\u56fe1\" alt=\"\u7b80\u5355\u7684DOS\u653b\u51fb\u4e4b\u6b7b\u4ea1\u4e4bping\u8be6\u89e3\u63d2\u56fe1\" \/><\/p>\n<h3 id=\"%E6%94%BB%E5%87%BB%E6%96%B9%E5%BC%8F%EF%BC%9A\">ARP\u653b\u51fb\uff1a<\/h3>\n<p>\u5f53\u53d1\u73b0\u4e0a\u7f51\u660e\u663e\u53d8\u6162\uff0c\u6216\u8005\u7a81\u7136\u6389\u7ebf\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u7528arp -a\u547d\u4ee4\u6765\u68c0\u67e5ARP\u8868\uff1a(\u70b9\u51fb\u201c\u5f00\u59cb\u201d\u6309\u94ae-\u9009\u62e9\u201c\u8fd0\u884c\u201d-\u8f93\u5165\u201ccmd\u201d\u70b9\u51fb\"\u786e\u5b9a\"\u6309\u94ae\uff0c\u5728\u7a97\u53e3\u4e2d\u8f93\u5165\u201carp -a\u201d\u547d\u4ee4)\u5982\u679c\u53d1\u73b0\u7f51\u5173\u7684MAC\u5730\u5740\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u6216\u8005\u53d1\u73b0\u6709\u5f88\u591aIP\u6307\u5411\u540c\u4e00\u4e2a\u7269\u7406\u5730\u5740\uff0c\u90a3\u4e48\u80af\u5b9a\u5c31\u662fARP\u6b3a\u9a97\u6240\u81f4\u3002\u8fd9\u65f6\u53ef\u4ee5\u901a\u8fc7\u201darp -d\u201c\u6e05\u9664arp\u5217\u8868\uff0c\u91cd\u65b0\u8bbf\u95ee\u3002<\/p>\n<p><strong>ARP\u653b\u51fb\u65b9\u5f0f\u7b80\u6790\uff1a<\/strong><\/p>\n<p>1. 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\u6839\u636eARP\u7684DOS<\/p>\n<p>\u8fd9\u662f\u65b0\u5448\u73b0\u7684\u4e00\u79cd\u653b\u51fb\u529e\u6cd5\uff0cD.O.S\u53c8\u79f0\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u5f53\u5927\u91cf\u7684\u8854\u63a5\u8bf7\u6c42\u88ab\u53d1\u9001\u5230\u4e00\u53f0\u4e3b\u673a\u65f6\uff0c\u56e0\u4e3a\u4e3b\u673a\u7684\u5904\u7406\u624d\u80fd\u6709\u9650\uff0c\u4e0d\u80fd\u4e3a\u6b63\u5e38\u7528\u6237\u63d0\u4f9b\u670d\u52a1\uff0c\u4fbf\u5448\u73b0\u62d2\u7edd\u670d\u52a1\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u5047\u5982\u8fd0\u7528ARP\u6765\u8eb2\u85cf\u81ea\u5df1\uff0c\u5728\u88ab\u653b\u51fb\u4e3b\u673a\u7684\u65e5\u5fd7\u4e0a\u5c31\u4e0d\u4f1a\u5448\u73b0\u771f\u5b9e\u7684IP\u653b\u51fb\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5230\u672c\u673a\u3002<\/p>\n<p>3. 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