{"id":1293,"date":"2014-11-05T11:03:04","date_gmt":"2014-11-05T03:03:04","guid":{"rendered":"http:\/\/www.51cos.com\/?p=1293"},"modified":"2014-11-07T20:22:37","modified_gmt":"2014-11-07T12:22:37","slug":"linux-vps%e6%9f%a5%e7%9c%8b%e7%bd%91%e7%ab%99%e5%bd%93%e5%89%8d%e6%97%b6%e9%97%b4%e7%9a%84%e5%b9%b6%e5%8f%91%e8%bf%9e%e6%8e%a5%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=1293","title":{"rendered":"Linux VPS\u67e5\u770b\u7f51\u7ad9\u5f53\u524d\u65f6\u95f4\u7684\u5e76\u53d1\u8fde\u63a5\u6570"},"content":{"rendered":"<p>\u901a\u8fc7\u67e5\u770b\u5e76\u53d1\u8fde\u63a5\u6570\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u6e05\u695a\u7684\u77e5\u9053\u7f51\u7ad9\u7684\u8d1f\u8f7d\u60c5\u51b5\u3002<\/p>\n<p>\u7b80\u5355\u7684\u65b9\u5f0f\u53ef\u4ee5\u7528\u8fd9\u79cd<\/p>\n<pre>\n\u7edf\u8ba180\u7aef\u53e3\u8fde\u63a5\u6570<br \/>\nnetstat -nat|grep -i \"80\"|wc -l<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u901a\u8fc7\u547d\u4ee4\u67e5\u770b<\/p>\n<pre>netstat -n | awk '\/^tcp\/ {++S[$NF]} END {for(a in S) print a, S[a]}'<\/p>\n<p>\u8fd4\u56de\u7ed3\u679c\uff1a<\/p>\n<p>TIME_WAIT 17<br \/>\nESTABLISHED 3254<br \/>\nLAST_ACK 236<br \/>\nFIN_WAIT_1 648<br \/>\nFIN_WAIT_2 581<br \/>\nCLOSING 7<br \/>\nCLOSE_WAIT 4916<\/p>\n<p>\u89e3\u6790\uff1a<br \/>\nCLOSED  \/\/\u65e0\u8fde\u63a5\u662f\u6d3b\u52a8\u7684\u6216\u6b63\u5728\u8fdb\u884c<br \/>\nLISTEN  \/\/\u670d\u52a1\u5668\u5728\u7b49\u5f85\u8fdb\u5165\u547c\u53eb<br \/>\nSYN_RECV  \/\/\u4e00\u4e2a\u8fde\u63a5\u8bf7\u6c42\u5df2\u7ecf\u5230\u8fbe\uff0c\u7b49\u5f85\u786e\u8ba4<br \/>\nSYN_SENT  \/\/\u5e94\u7528\u5df2\u7ecf\u5f00\u59cb\uff0c\u6253\u5f00\u4e00\u4e2a\u8fde\u63a5<br \/>\nESTABLISHED  \/\/\u6b63\u5e38\u6570\u636e\u4f20\u8f93\u72b6\u6001\/\u5f53\u524d\u5e76\u53d1\u8fde\u63a5\u6570<br \/>\nFIN_WAIT1  \/\/\u5e94\u7528\u8bf4\u5b83\u5df2\u7ecf\u5b8c\u6210<br \/>\nFIN_WAIT2  \/\/\u53e6\u4e00\u8fb9\u5df2\u540c\u610f\u91ca\u653e<br \/>\nITMED_WAIT  \/\/\u7b49\u5f85\u6240\u6709\u5206\u7ec4\u6b7b\u6389<br \/>\nCLOSING  \/\/\u4e24\u8fb9\u540c\u65f6\u5c1d\u8bd5\u5173\u95ed<br \/>\nTIME_WAIT  \/\/\u53e6\u4e00\u8fb9\u5df2\u521d\u59cb\u5316\u4e00\u4e2a\u91ca\u653e<br \/>\nLAST_ACK  \/\/\u7b49\u5f85\u6240\u6709\u5206\u7ec4\u6b7b\u6389<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u901a\u8fc7\u67e5\u770b\u5e76\u53d1\u8fde\u63a5\u6570\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u6e05\u695a\u7684\u77e5\u9053\u7f51\u7ad9\u7684\u8d1f\u8f7d\u60c5\u51b5\u3002 \u7b80\u5355\u7684\u65b9\u5f0f\u53ef\u4ee5\u7528\u8fd9\u79cd \u7edf\u8ba180\u7aef\u53e3\u8fde\u63a5\u6570 nets [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1293","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/1293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1293"}],"version-history":[{"count":0,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/1293\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1293"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}