{"id":62035,"date":"2025-04-29T12:34:03","date_gmt":"2025-04-29T04:34:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62035\/"},"modified":"2025-04-29T12:34:03","modified_gmt":"2025-04-29T04:34:03","slug":"shell-%e5%88%86%e6%9e%90%e6%97%a5%e5%bf%97%e6%96%87%e4%bb%b6%e9%ab%98%e6%95%88%e5%91%bd%e4%bb%a4%ef%bc%8c%e8%b6%85%e7%ba%a7%e5%a5%bd%e7%94%a8%ef%bc%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62035\/","title":{"rendered":"Shell \u5206\u6790\u65e5\u5fd7\u6587\u4ef6\u9ad8\u6548\u547d\u4ee4\uff0c\u8d85\u7ea7\u597d\u7528\uff01"},"content":{"rendered":"

<br> <\/p>\n

\u81ea\u5df1\u7684\u5c0f\u7f51\u7ad9\u8dd1\u5728\u963f\u91cc\u4e91\u7684ECS\u4e0a\u9762,\u5076\u5c14\u4e5f\u53bb\u5206\u6790\u5206\u6790\u81ea\u5df1\u7f51\u7ad9\u670d\u52a1\u5668\u65e5\u5fd7,\u770b\u770b\u7f51\u7ad9\u7684\u8bbf\u95ee\u91cf\u3002\u770b\u770b\u6709\u6ca1\u6709\u9ed1\u5ba2\u641e\u7834\u574f\uff01\u4e8e\u662f\u6536\u96c6\uff0c\u6574\u7406\u4e00\u4e9b\u670d\u52a1\u5668\u65e5\u5fd7\u5206\u6790\u547d\u4ee4\uff0c\u5927\u5bb6\u53ef\u4ee5\u8bd5\u8bd5\uff01<\/span><\/p>\n

\"Shell<\/span><\/p>\n

1\u3001\u67e5\u770b\u6709\u591a\u5c11\u4e2aIP\u8bbf\u95ee\uff1a<\/strong><\/span><\/p>\n

awk '{print $1}' log_file|sort|uniq|wc -l<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2\u3001\u67e5\u770b\u67d0\u4e00\u4e2a\u9875\u9762\u88ab\u8bbf\u95ee\u7684\u6b21\u6570\uff1a<\/strong><\/span><\/p>\n
grep \"\/index.php\" log_file | wc -l<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3\u3001\u67e5\u770b\u6bcf\u4e00\u4e2aIP\u8bbf\u95ee\u4e86\u591a\u5c11\u4e2a\u9875\u9762\uff1a<\/strong><\/span><\/p>\n
awk '{++S[$1]} END {for (a in S) print a,S[a]}' log_file &gt; log.txt  \n  \nsort -n -t ' ' -k 2 log.txt  # \u914d\u5408sort\u8fdb\u4e00\u6b65\u6392\u5e8f<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4\u3001\u5c06\u6bcf\u4e2aIP\u8bbf\u95ee\u7684\u9875\u9762\u6570\u8fdb\u884c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\uff1a<\/strong><\/span><\/p>\n
awk '{++S[$1]} END {for (a in S) print S[a],a}' log_file | sort -n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
5\u3001\u67e5\u770b\u67d0\u4e00\u4e2aIP\u8bbf\u95ee\u4e86\u54ea\u4e9b\u9875\u9762\uff1a<\/strong><\/span><\/p>\n
grep ^111.111.111.111 log_file| awk '{print $1,$7}'<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
6\u3001\u53bb\u6389\u641c\u7d22\u5f15\u64ce\u7edf\u8ba1\u7684\u9875\u9762\uff1a<\/strong><\/span><\/p>\n
awk '{print $12,$1}' log_file | grep ^\"Mozilla | awk '{print $2}' |sort | uniq | wc -l<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
7\u3001\u67e5\u770b2015\u5e748\u670816\u65e514\u65f6\u8fd9\u4e00\u4e2a\u5c0f\u65f6\u5185\u6709\u591a\u5c11IP\u8bbf\u95ee:<\/strong><\/span><\/p>\n
awk '{print $4,$1}' log_file | grep 16\/Aug\/2015:14 | awk '{print $2}'| sort | uniq | wc -l<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
8\u3001\u67e5\u770b\u8bbf\u95ee\u524d\u5341\u4e2aip\u5730\u5740<\/strong><\/span><\/p>\n
awk '{print $1}' |sort|uniq -c|sort -nr |head -10 access_log<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
uniq -c \u76f8\u5f53\u4e8e\u5206\u7ec4\u7edf\u8ba1\u5e76\u628a\u7edf\u8ba1\u6570\u653e\u5728\u6700\u524d\u9762<\/strong><\/span><\/p>\n
cat access.log|awk '{print $1}'|sort|uniq -c|sort -nr|head -10  \n  \ncat access.log|awk '{counts[$(11)]+=1}; END {for(url in counts) print counts[url], url}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
9\u3001\u8bbf\u95ee\u6b21\u6570\u6700\u591a\u768410\u4e2a\u6587\u4ef6\u6216\u9875\u9762<\/strong><\/span><\/p>\n
cat log_file|awk '{print $11}'|sort|uniq -c|sort -nr | head -10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
**\u8bbf\u95ee\u91cf\u6700\u5927\u7684\u524d20\u4e2aip**<\/span><\/p>\n
cat log_file|awk '{print $11}'|sort|uniq -c|sort -nr|head -20  \n  \nawk '{print $1}' log_file |sort -n -r |uniq -c | sort -n -r | head -20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
10\u3001\u901a\u8fc7\u5b50\u57df\u540d\u8bbf\u95ee\u6b21\u6570\uff0c\u4f9d\u636ereferer\u6765\u8ba1\u7b97\uff0c\u7a0d\u6709\u4e0d\u51c6<\/strong><\/span><\/p>\n
cat access.log | awk '{print $11}' | sed -e ' s\/http:\/\/\/\/' -e ' s\/\/.*\/\/' | sort | uniq -c | sort -rn | head -20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
11\u3001\u5217\u51fa\u4f20\u8f93\u5927\u5c0f\u6700\u5927\u7684\u51e0\u4e2a\u6587\u4ef6<\/strong><\/span><\/p>\n
cat www.access.log |awk '($7~\/.php\/){print $10 \" \" $1 \" \" $4 \" \" $7}'|sort -nr|head -100<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
12\u3001\u5217\u51fa\u8f93\u51fa\u5927\u4e8e200000byte(\u7ea6200kb)\u7684\u9875\u9762\u4ee5\u53ca\u5bf9\u5e94\u9875\u9762\u53d1\u751f\u6b21\u6570<\/strong><\/span><\/p>\n
cat www.access.log |awk '($10 &gt; 200000 &amp;&amp; $7~\/.php\/){print $7}'|sort -n|uniq -c|sort -nr|head -100<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
13\u3001\u5982\u679c\u65e5\u5fd7\u6700\u540e\u4e00\u5217\u8bb0\u5f55\u7684\u662f\u9875\u9762\u6587\u4ef6\u4f20\u8f93\u65f6\u95f4\uff0c\u5219\u6709\u5217\u51fa\u5230\u5ba2\u6237\u7aef\u6700\u8017\u65f6\u7684\u9875\u9762<\/strong><\/span><\/p>\n
cat www.access.log |awk '($7~\/.php\/){print $NF \" \" $1 \" \" $4 \" \" $7}'|sort -nr|head -100<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
14\u3001\u5217\u51fa\u6700\u6700\u8017\u65f6\u7684\u9875\u9762(\u8d85\u8fc760\u79d2\u7684)\u7684\u4ee5\u53ca\u5bf9\u5e94\u9875\u9762\u53d1\u751f\u6b21\u6570<\/strong><\/span><\/p>\n
cat www.access.log |awk '($NF &gt; 60 &amp;&amp; $7~\/.php\/){print $7}'|sort -n|uniq -c|sort -nr|head -100<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
15\u3001\u5217\u51fa\u4f20\u8f93\u65f6\u95f4\u8d85\u8fc7 30 \u79d2\u7684\u6587\u4ef6<\/strong><\/span><\/p>\n
cat www.access.log |awk '($NF &gt; 30){print $7}'|sort -n|uniq -c|sort -nr|head -20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
16\u3001\u5217\u51fa\u5f53\u524d\u670d\u52a1\u5668\u6bcf\u4e00\u8fdb\u7a0b\u8fd0\u884c\u7684\u6570\u91cf\uff0c\u5012\u5e8f\u6392\u5217<\/strong><\/span><\/p>\n
ps -ef | awk -F ' ' '{print $8 \" \" $9}' |sort | uniq -c |sort -nr |head -20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
17\u3001\u67e5\u770bapache\u5f53\u524d\u5e76\u53d1\u8bbf\u95ee\u6570<\/strong><\/span><\/p>\n
\u5bf9\u6bd4httpd.conf\u4e2dMaxClients\u7684\u6570\u5b57\u5dee\u8ddd\u591a\u5c11<\/strong><\/span><\/p>\n
netstat -an | grep ESTABLISHED | wc -l<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
18\u3001\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u53c2\u6570\u67e5\u770b\u6570\u636e<\/strong><\/span><\/p>\n
ps -ef|grep httpd|wc -l  \n1388<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7edf\u8ba1httpd\u8fdb\u7a0b\u6570\uff0c\u8fde\u4e2a\u8bf7\u6c42\u4f1a\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4f7f\u7528\u4e8eApache\u670d\u52a1\u5668\u3002<\/strong>
\u8868\u793aApache\u80fd\u591f\u5904\u74061388\u4e2a\u5e76\u53d1\u8bf7\u6c42\uff0c\u8fd9\u4e2a\u503cApache\u53ef\u6839\u636e\u8d1f\u8f7d\u60c5\u51b5\u81ea\u52a8\u8c03\u6574<\/strong><\/span><\/p>\n
netstat -nat|grep -i \"80\"|wc -l  \n4341<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
netstat -an\u4f1a\u6253\u5370\u7cfb\u7edf\u5f53\u524d\u7f51\u7edc\u94fe\u63a5\u72b6\u6001\uff0c\u800cgrep -i “80”\u662f\u7528\u6765\u63d0\u53d6\u4e0e80\u7aef\u53e3\u6709\u5173\u7684\u8fde\u63a5\u7684\uff0cwc -l\u8fdb\u884c\u8fde\u63a5\u6570\u7edf\u8ba1\u3002<\/strong>
\u6700\u7ec8\u8fd4\u56de\u7684\u6570\u5b57\u5c31\u662f\u5f53\u524d\u6240\u670980\u7aef\u53e3\u7684\u8bf7\u6c42\u603b\u6570<\/strong><\/span><\/p>\n
netstat -na|grep ESTABLISHED|wc -l  \n376<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
netstat -an\u4f1a\u6253\u5370\u7cfb\u7edf\u5f53\u524d\u7f51\u7edc\u94fe\u63a5\u72b6\u6001\uff0c\u800cgrep ESTABLISHED \u63d0\u53d6\u51fa\u5df2\u5efa\u7acb\u8fde\u63a5\u7684\u4fe1\u606f\u3002\u7136\u540ewc -l\u7edf\u8ba1<\/strong>
\u6700\u7ec8\u8fd4\u56de\u7684\u6570\u5b57\u5c31\u662f\u5f53\u524d\u6240\u670980\u7aef\u53e3\u7684\u5df2\u5efa\u7acb\u8fde\u63a5\u7684\u603b\u6570\u3002<\/strong><\/span><\/p>\n
netstat -nat||grep ESTABLISHED|wc<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u53ef\u67e5\u770b\u6240\u6709\u5efa\u7acb\u8fde\u63a5\u7684\u8be6\u7ec6\u8bb0\u5f55<\/strong><\/span><\/p>\n
19\u3001\u8f93\u51fa\u6bcf\u4e2aip\u7684\u8fde\u63a5\u6570\uff0c\u4ee5\u53ca\u603b\u7684\u5404\u4e2a\u72b6\u6001\u7684\u8fde\u63a5\u6570<\/strong><\/span><\/p>\n
netstat -n | awk '\/^tcp\/ {n=split($(NF-1),array,\":\");if(n<p style=\"margin-bottom: 0px;padding-top: 8px;padding-bottom: 8px;outline: 0px;color: rgb(0, 0, 0);font-size: 16px;letter-spacing: normal;text-align: left;text-wrap: wrap;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, \" pingfang sc cambria cochin georgia times new roman serif rgb><span style=\"outline: 0px;font-size: 17px;\"><strong style=\"outline: 0px;\">20\u3001\u5176\u4ed6\u7684\u6536\u96c6<\/strong><\/span><\/p><p style=\"margin-bottom: 0px;padding-top: 8px;padding-bottom: 8px;outline: 0px;color: rgb(0, 0, 0);font-size: 16px;letter-spacing: normal;text-align: left;text-wrap: wrap;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, \" pingfang sc cambria cochin georgia times new roman serif rgb><span style=\"outline: 0px;font-size: 17px;\"><strong style=\"outline: 0px;\">\u5206\u6790\u65e5\u5fd7\u6587\u4ef6\u4e0b 2012-05-04 \u8bbf\u95ee\u9875\u9762\u6700\u9ad8 \u7684\u524d20\u4e2a URL \u5e76\u6392\u5e8f<\/strong><\/span><\/p><pre class=\"brush:php;toolbar:false;\">cat access.log |grep '04\/May\/2012'| awk '{print $11}'|sort|uniq -c|sort -nr|head -20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u67e5\u8be2\u53d7\u8bbf\u95ee\u9875\u9762\u7684URL\u5730\u5740\u4e2d \u542b\u6709 www.abc.com \u7f51\u5740\u7684 IP \u5730\u5740<\/strong><\/span><\/p>\n
cat access_log | awk '($11~\/www.abc.com\/){print $1}'|sort|uniq -c|sort -nr<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u83b7\u53d6\u8bbf\u95ee\u6700\u9ad8\u768410\u4e2aIP\u5730\u5740 \u540c\u65f6\u4e5f\u53ef\u4ee5\u6309\u65f6\u95f4\u6765\u67e5\u8be2\u3002\u53e6\u5916\uff0c\u641c\u7d22\u516c\u4f17\u53f7Linux\u5c31\u8be5\u8fd9\u6837\u5b66\u540e\u53f0\u56de\u590d\u201cLinux\u201d\uff0c\u83b7\u53d6\u4e00\u4efd\u60ca\u559c\u793c\u5305\u3002<\/strong><\/span><\/p>\n
cat linewow-access.log|awk '{print $1}'|sort|uniq -c|sort -nr|head -10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u65f6\u95f4\u6bb5\u67e5\u8be2\u65e5\u5fd7\u65f6\u95f4\u6bb5\u7684\u60c5\u51b5<\/em><\/strong><\/span><\/p>\n
cat log_file | egrep '15\/Aug\/2015|16\/Aug\/2015' |awk '{print $1}'|sort|uniq -c|sort -nr|head -10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5206\u67902015\/8\/15 \u5230 2015\/8\/16 \u8bbf\u95ee”\/index.php?g=Member&m=Public&a=sendValidCode”\u7684IP\u5012\u5e8f\u6392\u5217<\/strong><\/span><\/p>\n
cat log_file | egrep '15\/Aug\/2015|16\/Aug\/2015' | awk '{if($7 == \"\/index.php?g=Member&amp;m=Public&amp;a=sendValidCode\") print $1,$7}'|sort|uniq -c|sort -nr<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n( <\/span><\/strong>7\u91cc\u9762\u5305\u542b.php\u7684\u5c31\u8f93\u51fa,\u672c\u53e5\u7684\u610f\u601d\u662f\u6700\u8017\u65f6\u7684\u4e00\u767e\u4e2aPHP\u9875\u9762<\/strong><\/span> <\/p>\n
cat log_file |awk '($7~\/.php\/){print $NF \" \" $1 \" \" $4 \" \" $7}'|sort -nr|head -100<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u5217\u51fa\u6700\u6700\u8017\u65f6\u7684\u9875\u9762(\u8d85\u8fc760\u79d2\u7684)\u7684\u4ee5\u53ca\u5bf9\u5e94\u9875\u9762\u53d1\u751f\u6b21\u6570<\/strong><\/span> <\/p>\n
cat access.log |awk '($NF &gt; 60 &amp;&amp; $7~\/.php\/){print $7}'|sort -n|uniq -c|sort -nr|head -100<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u7edf\u8ba1\u7f51\u7ad9\u6d41\u91cf\uff08G)<\/strong><\/span> <\/p>\n
cat access.log |awk '{sum+=$10} END {print sum\/1024\/1024\/1024}'<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u7edf\u8ba1404\u7684\u8fde\u63a5<\/strong><\/span> <\/p>\n
awk '($9 ~\/404\/)' access.log | awk '{print $9,$7}' | sort<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u7edf\u8ba1http status<\/strong><\/span> <\/p>\n
cat access.log |awk '{counts[$(9)]+=1}; END {for(code in counts) print code, counts[code]}'   \ncat access.log |awk '{print $9}'|sort|uniq -c|sort -rn<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u6bcf\u79d2\u5e76\u53d1<\/strong><\/span> <\/p>\n
watch \"awk '{if($9~\/200|30|404\/)COUNT[$4]++}END{for( a in COUNT) print a,COUNT[a]}' log_file|sort -k 2 -nr|head -n10\"<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u5e26\u5bbd\u7edf\u8ba1<\/strong><\/span> <\/p>\n
cat apache.log |awk '{if($7~\/GET\/) count++}END{print \"client_request=\"count}'   \ncat apache.log |awk '{BYTE+=$11}END{print \"client_kbyte_out=\"BYTE\/1024\"KB\"}'<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u627e\u51fa\u67d0\u5929\u8bbf\u95ee\u6b21\u6570\u6700\u591a\u768410\u4e2aIP<\/strong><\/span> <\/p>\n
cat \/tmp\/access.log | grep \"20\/Mar\/2011\" |awk '{print $3}'|sort |uniq -c|sort -nr|head<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u5f53\u5929ip\u8fde\u63a5\u6570\u6700\u9ad8\u7684ip\u90fd\u5728\u5e72\u4e9b\u4ec0\u4e48<\/strong><\/span> <\/p>\n
cat access.log | grep \"10.0.21.17\" | awk '{print $8}' | sort | uniq -c | sort -nr | head -n 10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u5c0f\u65f6\u5355\u4f4d\u91ccip\u8fde\u63a5\u6570\u6700\u591a\u768410\u4e2a\u65f6\u6bb5<\/strong><\/span> <\/p>\n
awk -vFS=\"[:]\" '{gsub(\"-.*\",\"\",$1);num[$2\" \"$1]++}END{for(i in num)print i,num[i]}' log_file | sort -n -k 3 -r | head -10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u627e\u51fa\u8bbf\u95ee\u6b21\u6570\u6700\u591a\u7684\u51e0\u4e2a\u5206\u949f<\/strong><\/span> <\/p>\n
awk '{print $1}' access.log | grep \"20\/Mar\/2011\" |cut -c 14-18|sort|uniq -c|sort -nr|head<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u53d65\u5206\u949f\u65e5\u5fd7<\/strong><\/span> <\/p>\n
if [ $DATE_MINUTE != $DATE_END_MINUTE ] ;then   \n#\u5219\u5224\u65ad\u5f00\u59cb\u65f6\u95f4\u6233\u4e0e\u7ed3\u675f\u65f6\u95f4\u6233\u662f\u5426\u76f8\u7b49<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
START_LINE=sed -n \"\/$DATE_MINUTE\/=\" $APACHE_LOG|head -n1 \n#\u5982\u679c\u4e0d\u76f8\u7b49\uff0c\u5219\u53d6\u51fa\u5f00\u59cb\u65f6\u95f4\u6233\u7684\u884c\u53f7\uff0c\u4e0e\u7ed3\u675f\u65f6\u95f4\u6233\u7684\u884c\u53f7<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u67e5\u770btcp\u7684\u94fe\u63a5\u72b6\u6001<\/strong>*<\/span> <\/p>\n
netstat -nat |awk '{print $6}'|sort|uniq -c|sort -rn   \n     \nnetstat -n | awk '\/^tcp\/ {++S[$NF]};END {for(a in S) print a, S[a]}'   \n  \nnetstat -n | awk '\/^tcp\/ {++state[$NF]}; END {for(key in state) print key,\"\t\",state[key]}'   \n     \nnetstat -n | awk '\/^tcp\/ {++arr[$NF]};END {for(k in arr) print k,\"\t\",arr[k]}'   \n     \nnetstat -n |awk '\/^tcp\/ {print $NF}'|sort|uniq -c|sort -rn   \n     \nnetstat -ant | awk '{print $NF}' | grep -v '[a-z]' | sort | uniq -cnetstat -ant|awk '\/ip:80\/{split($5,ip,\":\");++S[ip[1]]}END{for (a in S) print S[a],a}' |sort -n   \n     \nnetstat -ant|awk '\/:80\/{split($5,ip,\":\");++S[ip[1]]}END{for (a in S) print S[a],a}' |sort -rn|head -n 10   \n  \nawk 'BEGIN{printf (\"http_code\tcount_num\n\")}{COUNT[$10]++}END{for (a in COUNT) printf a\"\t\t\"COUNT[a]\"\n\"}'<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u67e5\u627e\u8bf7\u6c42\u6570\u524d20\u4e2aIP\uff08\u5e38\u7528\u4e8e\u67e5\u627e\u653b\u6765\u6e90\uff09\uff1a<\/strong><\/span> <\/p>\n
netstat -anlp|grep 80|grep tcp|awk '{print $5}'|awk -F: '{print $1}'|sort|uniq -c|sort -nr|head -n20   \n  \nnetstat -ant |awk '\/:80\/{split($5,ip,\":\");++A[ip[1]]}END{for(i in A) print A[i],i}' |sort -rn|head -n20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u7528tcpdump\u55c5\u63a280\u7aef\u53e3\u7684\u8bbf\u95ee\u770b\u770b\u8c01\u6700\u9ad8<\/strong><\/span> <\/p>\n
\u725b\u903c\u554a\uff01\u63a5\u79c1\u6d3b\u5fc5\u5907\u7684 N \u4e2a\u5f00\u6e90\u9879\u76ee\uff01\u8d76\u5feb\u6536\u85cf<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n<\/strong><\/span> <\/p>\n
tcpdump -i eth0 -tnn dst port 80 -c 1000 | awk -F\".\" '{print $1\".\"$2\".\"$3\".\"$4}' | sort | uniq -c | sort -nr |head -20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u67e5\u627e\u8f83\u591atime_wait\u8fde\u63a5<\/strong><\/span> <\/p>\n
netstat -n|grep TIME_WAIT|awk '{print $5}'|sort|uniq -c|sort -rn|head -n20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u627e\u67e5\u8f83\u591a\u7684SYN\u8fde\u63a5<\/strong><\/span> <\/p>\n
netstat -an | grep SYN | awk '{print $5}' | awk -F: '{print $1}' | sort | uniq -c | sort -nr | more<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u6839\u636e\u7aef\u53e3\u5217\u8fdb\u7a0b<\/strong><\/span> <\/p>\n
netstat -ntlp | grep 80 | awk '{print $7}' | cut -d\/ -f1<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u67e5\u770b\u4e86\u8fde\u63a5\u6570\u548c\u5f53\u524d\u7684\u8fde\u63a5\u6570<\/strong><\/span> <\/p>\n
netstat -ant | grep $ip:80 | wc -l   \nnetstat -ant | grep $ip:80 | grep EST | wc -l<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u67e5\u770bIP\u8bbf\u95ee\u6b21\u6570<\/strong><\/span> <\/p>\n
netstat -nat|grep \":80\"|awk '{print $5}' |awk -F: '{print $1}' | sort| uniq -c|sort -n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\nLinux\u547d\u4ee4\u5206\u6790\u5f53\u524d\u7684\u94fe\u63a5\u72b6\u51b5<\/strong><\/span> <\/p>\n
netstat -n | awk '\/^tcp\/ {++S[$NF]} END {for(a in S) print a, S[a]}'  \n  \nwatch \"netstat -n | awk '\/^tcp\/ {++S[$NF]} END {for(a in S) print a, S[a]}'\"   \n# \u901a\u8fc7watch\u53ef\u4ee5\u4e00\u76f4\u76d1\u63a7<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
LAST_ACK 5   #\u5173\u95ed\u4e00\u4e2aTCP\u8fde\u63a5\u9700\u8981\u4ece\u4e24\u4e2a\u65b9\u5411\u4e0a\u5206\u522b\u8fdb\u884c\u5173\u95ed\uff0c\u53cc\u65b9\u90fd\u662f\u901a\u8fc7\u53d1\u9001FIN\u6765\u8868\u793a\u5355\u65b9\u5411\u6570\u636e\u7684\u5173\u95ed\uff0c\u5f53\u901a\u4fe1\u53cc\u65b9\u53d1\u9001\u4e86\u6700\u540e\u4e00\u4e2aFIN\u7684\u65f6\u5019\uff0c\u53d1\u9001\u65b9\u6b64\u65f6\u5904\u4e8eLAST_ACK\u72b6\u6001\uff0c\u5f53\u53d1\u9001\u65b9\u6536\u5230\u5bf9\u65b9\u7684\u786e\u8ba4\uff08Fin\u7684Ack\u786e\u8ba4\uff09\u540e\u624d\u771f\u6b63\u5173\u95ed\u6574\u4e2aTCP\u8fde\u63a5\uff1b  \nSYN_RECV 30       # \u8868\u793a\u6b63\u5728\u7b49\u5f85\u5904\u7406\u7684\u8bf7\u6c42\u6570\uff1b  \nESTABLISHED 1597  # \u8868\u793a\u6b63\u5e38\u6570\u636e\u4f20\u8f93\u72b6\u6001\uff1b   \nFIN_WAIT1 51      # \u8868\u793aserver\u7aef\u4e3b\u52a8\u8981\u6c42\u5173\u95edtcp\u8fde\u63a5\uff1b   \nFIN_WAIT2 504     # \u8868\u793a\u5ba2\u6237\u7aef\u4e2d\u65ad\u8fde\u63a5\uff1b   \nTIME_WAIT 1057    # \u8868\u793a\u5904\u7406\u5b8c\u6bd5\uff0c\u7b49\u5f85\u8d85\u65f6\u7ed3\u675f\u7684\u8bf7\u6c42\u6570\uff1b<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
<br><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236
\n\"Shell<\/em><\/span><\/strong><\/span><\/strong><br> <\/p>\n
\u4e3a\u4e86\u8ddf\u4e0aAI\u65f6\u4ee3\u6211\u5e72\u4e86\u4e00\u4ef6\u4e8b\u513f\uff0c\u6211\u521b\u5efa\u4e86\u4e00\u4e2a\u77e5\u8bc6\u661f\u7403\u793e\u7fa4\uff1aChartGPT\u4e0e\u526f\u4e1a\u3002\u60f3\u5e26\u7740\u5927\u5bb6\u4e00\u8d77\u63a2\u7d22ChatGPT\u548c\u65b0\u7684AI\u65f6\u4ee3\u3002\u6709\u5f88\u591a\u5c0f\u4f19\u4f34\u641e\u4e0d\u5b9aChatGPT\u8d26\u53f7\uff0c\u4e8e\u662f\u6211\u4eec\u51b3\u5b9a\uff0c\u51e1\u662f\u8fd9\u4e09\u5929\u4e4b\u5185\u52a0\u5165ChatPGT\u7684\u5c0f\u4f19\u4f34\uff0c\u6211\u4eec\u76f4\u63a5\u9001\u4e00\u4e2a\u6b63\u5e38\u53ef\u7528\u7684\u6c38\u4e45ChatGPT\u72ec\u7acb\u8d26\u6237\u3002<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7b80\u5355\u8bf4\u4e0b\u8fd9\u4e2a\u661f\u7403\u80fd\u7ed9\u5927\u5bb6\u63d0\u4f9b\u4ec0\u4e48\uff1a\n\u661f\u7403\u5206\u4eab\uff1a\n1\u3001\u4e0d\u65ad\u5206\u4eab\u5982\u4f55\u4f7f\u7528ChatGPT\u6765\u5b8c\u6210\u5404\u79cd\u4efb\u52a1\uff0c\u8ba9\u4f60\u66f4\u9ad8\u6548\u5730\u4f7f\u7528ChatGPT\uff0c\u4ee5\u53ca\u526f\u4e1a\u601d\u8003\u3001\u53d8\u73b0\u601d\u8def\u3001\u521b\u4e1a\u6848\u4f8b\u3001\u843d\u5730\u6848\u4f8b\u5206\u4eab\u30022\u3001\u5206\u4eabChatGPT\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u6700\u65b0\u8d44\u8baf\u3001\u5546\u4e1a\u4ef7\u503c\u30023\u3001\u63a2\u8ba8\u672a\u6765\u5173\u4e8eChatGPT\u7684\u673a\u9047\uff0c\u5171\u540c\u6210\u957f\u30024\u3001\u5e2e\u52a9\u5927\u5bb6\u89e3\u51b3ChatGPT\u9047\u5230\u7684\u95ee\u9898\u30025\u3001\u4e0d\u5b9a\u671f\u9080\u8bf7\u5927\u5496\u8fdb\u884c\u5206\u4eab\u30026\u3001\u63d0\u4f9b\u4e00\u6574\u5e74\u7684\u552e\u540e\u670d\u52a1\uff0c\u4e00\u8d77\u641e\u526f\u4e1a\n\u661f\u7403\u798f\u5229\uff1a1\u3001\u52a0\u5165\u661f\u74034\u5929\u540e\uff0c\u5c31\u9001ChatGPT\u72ec\u7acb\u8d26\u53f7\u30022\u3001\u9080\u8bf7\u4f60\u52a0\u5165ChatGPT\u4f1a\u5458\u4ea4\u6d41\u7fa4\u30023\u3001\u8d60\u9001\u4e00\u4efd\u5b8c\u6574\u7684ChatGPT\u624b\u518c\u548c66\u4e2aChatGPT\u526f\u4e1a\u8d5a\u94b1\u624b\u518c\u3002\n\u5176\u5b83\u798f\u5229\u8fd8\u5728\u7b79\u5212\u4e2d... \u4e0d\u8fc7\uff0c\u6211\u7ed9\u4f60\u5927\u5bb6\u4fdd\u8bc1\uff0c\u52a0\u5165\u661f\u7403\u540e\uff0c\u6536\u83b7\u7684\u4ef7\u503c\u4f1a\u8fdc\u8fdc\u5927\u4e8e\u4eca\u5929\u52a0\u5165\u7684\u95e8\u7968\u8d39\u7528 \uff01\n\u672c\u661f\u7403\u7b2c\u4e00\u671f\u539f\u4ef7399\uff0c\u76ee\u524d\u5c5e\u4e8e\u8bd5\u8fd0\u8425\uff0c\u65e9\u9e1f\u4ef7139\uff0c\u6bcf\u8d85\u8fc750\u4eba\u6da8\u4ef710\u5143\uff0c\u661f\u7403\u9a6c\u4e0a\u8981\u6765\u4e00\u6ce2\u5927\u7684\u6da8\u4ef7\uff0c\u5982\u679c\u4f60\u8fd8\u5728\u72b9\u8c6b\uff0c\u53ef\u80fd\u6700\u540e\u5c31\u8981\u4ee5\u66f4\u9ad8\u4ef7\u683c\u52a0\u5165\u4e86\u3002\u3002\n\u65e9\u5c31\u662f\u4f18\u52bf\u3002\u5efa\u8bae\u5927\u5bb6\u5c3d\u65e9\u4ee5\u4fbf\u5b9c\u7684\u4ef7\u683c\u52a0\u5165\uff01<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n<\/em><\/span><\/strong><\/span><\/strong> <\/p>\n
  \u58f0\u660e\uff1a\u672c\u6587\u90e8\u5206\u7d20\u6750\u8f6c\u8f7d\u81ea\u4e92\u8054\u7f51\uff0c\u5982\u6709\u4fb5\u6743\u7acb\u5373\u5220\u9664 \u3002<\/span><\/strong><\/p>\n
<br><\/p>\n
\u5f80\u671f\u7cbe\u5f69<\/strong><\/span><\/p>\n
<br><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \n
  •  <\/li>\n
  • \n
    <\/p>\n<\/li>\n
  •   <\/li>\n
  •  <br> <\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/li>\n
  • \n
    <br><\/p>\n<\/p>\n
     \"Shell <\/li>\n<\/ul>\n
    \u559c\u6b22\u672c\u6587\u7684\u670b\u53cb\u4eec\uff0c\u6b22\u8fce\u957f\u6309\u4e0b\u56fe\uff0c\u5173\u6ce8\u8ba2\u9605\u53f7<\/span>Linux\u4e2d\u6587\u793e\u533a<\/span><\/strong><\/span><\/p>\n
    <br><\/p>\n
    \u6536\u770b\u66f4\u591a\u7cbe\u5f69\u5185\u5bb9<\/span><\/p>\n<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fShell \u5206\u6790\u65e5\u5fd7\u6587\u4ef6\u9ad8\u6548\u547d\u4ee4\uff0c\u8d85\u7ea7\u597d\u7528\uff01\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    <br> \u81ea\u5df1\u7684\u5c0f\u7f51\u7ad9\u8dd1\u5728\u963f\u91cc\u4e91\u7684ECS\u4e0a\u9762,\u5076\u5c14\u4e5f\u53bb\u5206\u6790\u5206\u6790\u81ea\u5df1\u7f51\u7ad9\u670d\u52a1\u5668\u65e5\u5fd7,\u770b\u770b\u7f51\u7ad9\u7684\u8bbf\u95ee\u91cf\u3002\u770b\u770b\u6709\u6ca1\u6709\u9ed1\u5ba2\u641e\u7834\u574f\uff01\u4e8e\u662f\u6536\u96c6\uff0c\u6574\u7406\u4e00\u4e9b\u670d\u52a1\u5668\u65e5\u5fd7\u5206\u6790\u547d\u4ee4\uff0c\u5927\u5bb6\u53ef\u4ee5\u8bd5\u8bd5\uff01 1\u3001\u67e5\u770b\u6709\u591a\u5c11\u4e2aIP\u8bbf\u95ee\uff1a awk ‘{print $1}’ log_file|sort|uniq|wc -l \u767b\u5f55\u540e\u590d\u5236 2\u3001\u67e5\u770b\u67d0\u4e00\u4e2a\u9875\u9762\u88ab\u8bbf\u95ee\u7684\u6b21\u6570\uff1a grep “\/index.php” log_file | wc -l \u767b\u5f55\u540e\u590d\u5236 3\u3001\u67e5\u770b\u6bcf\u4e00\u4e2aIP\u8bbf\u95ee\u4e86\u591a\u5c11\u4e2a\u9875\u9762\uff1a awk ‘{++S[$1]} END {for (a in S) print a,S[a]}’ log_file &gt; log.txt      sort -n -t ‘ ‘ -k 2 log.txt  # \u914d\u5408sort\u8fdb\u4e00\u6b65\u6392\u5e8f \u767b\u5f55\u540e\u590d\u5236 4\u3001\u5c06\u6bcf\u4e2aIP\u8bbf\u95ee\u7684\u9875\u9762\u6570\u8fdb\u884c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\uff1a awk ‘{++S[$1]} END {for (a in S) print S[a],a}’ log_file | sort -n \u767b\u5f55\u540e\u590d\u5236 5\u3001\u67e5\u770b\u67d0\u4e00\u4e2aIP\u8bbf\u95ee\u4e86\u54ea\u4e9b\u9875\u9762\uff1a grep ^111.111.111.111 log_file| awk ‘{print $1,$7}’ \u767b\u5f55\u540e\u590d\u5236 6\u3001\u53bb\u6389\u641c\u7d22\u5f15\u64ce\u7edf\u8ba1\u7684\u9875\u9762\uff1a awk ‘{print $12,$1}’ log_file | grep ^”Mozilla | awk ‘{print $2}’ |sort | uniq | wc -l \u767b\u5f55\u540e\u590d\u5236 7\u3001\u67e5\u770b2015\u5e748\u670816\u65e514\u65f6\u8fd9\u4e00\u4e2a\u5c0f\u65f6\u5185\u6709\u591a\u5c11IP\u8bbf\u95ee: awk ‘{print $4,$1}’ log_file | grep 16\/Aug\/2015:14 | awk ‘{print $2}’| sort | uniq | wc -l \u767b\u5f55\u540e\u590d\u5236 8\u3001\u67e5\u770b\u8bbf\u95ee\u524d\u5341\u4e2aip\u5730\u5740 awk ‘{print $1}’ |sort|uniq -c|sort -nr |head -10 access_log \u767b\u5f55\u540e\u590d\u5236 uniq -c \u76f8\u5f53\u4e8e\u5206\u7ec4\u7edf\u8ba1\u5e76\u628a\u7edf\u8ba1\u6570\u653e\u5728\u6700\u524d\u9762 cat access.log|awk ‘{print $1}’|sort|uniq -c|sort -nr|head -10      cat access.log|awk ‘{counts[$(11)]+=1}; END {for(url in counts) print counts[url], url} \u767b\u5f55\u540e\u590d\u5236 9\u3001\u8bbf\u95ee\u6b21\u6570\u6700\u591a\u768410\u4e2a\u6587\u4ef6\u6216\u9875\u9762 cat log_file|awk ‘{print $11}’|sort|uniq -c|sort -nr | head -10 \u767b\u5f55\u540e\u590d\u5236 **\u8bbf\u95ee\u91cf\u6700\u5927\u7684\u524d20\u4e2aip** cat log_file|awk ‘{print $11}’|sort|uniq -c|sort -nr|head -20      awk ‘{print $1}’ log_file |sort -n -r |uniq -c | sort -n -r | head -20 \u767b\u5f55\u540e\u590d\u5236 10\u3001\u901a\u8fc7\u5b50\u57df\u540d\u8bbf\u95ee\u6b21\u6570\uff0c\u4f9d\u636ereferer\u6765\u8ba1\u7b97\uff0c\u7a0d\u6709\u4e0d\u51c6 cat access.log | awk ‘{print $11}’ | sed -e ‘ s\/http:\/\/\/\/’ -e ‘ s\/\/.*\/\/’ | sort | uniq -c | sort -rn | head -20 \u767b\u5f55\u540e\u590d\u5236 11\u3001\u5217\u51fa\u4f20\u8f93\u5927\u5c0f\u6700\u5927\u7684\u51e0\u4e2a\u6587\u4ef6 cat www.access.log |awk ‘($7~\/.php\/){print $10 ” ” $1 ” ” $4 ” ” $7}’|sort -nr|head -100 \u767b\u5f55\u540e\u590d\u5236 12\u3001\u5217\u51fa\u8f93\u51fa\u5927\u4e8e200000byte(\u7ea6200kb)\u7684\u9875\u9762\u4ee5\u53ca\u5bf9\u5e94\u9875\u9762\u53d1\u751f\u6b21\u6570 cat www.access.log |awk ‘($10 &gt; 200000 &amp;&amp; $7~\/.php\/){print $7}’|sort -n|uniq -c|sort -nr|head -100 \u767b\u5f55\u540e\u590d\u5236 13\u3001\u5982\u679c\u65e5\u5fd7\u6700\u540e\u4e00\u5217\u8bb0\u5f55\u7684\u662f\u9875\u9762\u6587\u4ef6\u4f20\u8f93\u65f6\u95f4\uff0c\u5219\u6709\u5217\u51fa\u5230\u5ba2\u6237\u7aef\u6700\u8017\u65f6\u7684\u9875\u9762 cat www.access.log |awk ‘($7~\/.php\/){print $NF ” ” $1 ” ” $4 ” ” $7}’|sort -nr|head -100 \u767b\u5f55\u540e\u590d\u5236 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62035","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62035"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62035\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}