\u5bf9\u4e8elinux\u7cfb\u7edf\u9650\u901f\u6709\u591a\u79cd\u65b9\u6cd5\uff1a
\n\u65b9\u6cd5\u4e00\uff1atc\u65b9\u6cd5\uff0c\u6b64\u65b9\u6cd5\u914d\u7f6e\u590d\u6742
\n\u65b9\u6cd5\u4e8c\uff1awondersharper\u8f6f\u4ef6\u9650\u901f\uff0c\u914d\u7f6e\u7b80\u5355\uff0c\u9488\u5bf9\u7269\u7406\u7aef\u53e3\u9650\u901f
\n\u65b9\u6cd5\u4e09\uff1a iptables\u9650\u901f\uff0c\u4e3b\u8981\u4f9d\u636e\u4ee4\u724c\u6876\u7b97\u6cd5\uff0c\u4e3b\u8981\u6709limit\u4e0ehashlimit\uff0climit\u4e0d\u652f\u63018mb\/s\u8fd9\u79cd\u5199\u6cd5
\n\u4ec0\u4e48\u662fhashlimit
\nhashlimit\u662fiptables\u7684\u4e00\u4e2a\u62d3\u5c55\u6a21\u5757\uff0c\u5176\u672c\u8eab\u662f\u4e00\u4e2a\u5339\u914d\u6a21\u5757\uff0c\u4e0d\u5177\u6709\u5176\u4ed6\u529f\u80fd\uff0c\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u6a21\u5757\u6765\u5b8c\u6210\u590d\u6742\u4efb\u52a1\u3002<\/p>\n
\u4ec0\u4e48\u662f\u4ee4\u724c\u6876
\nhashlimit\u4f7f\u7528\u7684\u7b97\u6cd5\u53eb\u505a\u4ee4\u724c\u6876\u7b97\u6cd5\u3002<\/p>\n
\u4ee4\u724c\u6876\uff08token bucket\uff09\uff0c\u987e\u540d\u601d\u4e49\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u6709\u4e00\u4e2a\u6876\uff0c\u91cc\u9762\u88c5\u6ee1\u4e86\u4ee4\u724c\uff08token\uff09\u3002\u5f53\u8bf7\u6c42\u6765\u5230\u65f6\uff0c\u53ef\u7406\u89e3\u4e3a\u4eba\u7fa4\u6765\u5230\uff0c\u53ea\u6709\u62ff\u5230\u4ee4\u724c\u7684\u4eba\u624d\u80fd\u53c2\u52a0\u6d3b\u52a8\uff08\u4f8b\u5982\u8d2d\u4e70\u67d0\u79cd\u7269\u54c1\uff09\u3002\u4ee4\u724c\u6876\u7684\u5bb9\u91cf\u662f\u4e00\u4e2a\u56fa\u5b9a\u503c\uff0c\u4e14\u4ee4\u724c\u6876\u4e5f\u4f1a\u5728\u4e0d\u6ee1\u65f6\u4ee5\u4e00\u5b9a\u901f\u7387\u751f\u6210\u65b0\u7684\u4ee4\u724c\uff0c\u4ee4\u724c\u7684\u751f\u6210\u901f\u7387\u4e5f\u662f\u4e00\u4e2a\u56fa\u5b9a\u503c\u3002<\/p>\n
\u6240\u4ee5\uff0c\u4f8b\u5982\u4f7f\u7528\u4e00\u4e2a\u4ee4\u724c\u6876\u6765\u9650\u5236\u4eba\u7fa4\u8d2d\u4e70\u5546\u54c1\u7684\u901f\u7387\uff0c\u4f8b\u5982\u5047\u8bbe\u4ee4\u724c\u6876\u7684\u5bb9\u91cf\u662f50\uff0c\u751f\u6210\u901f\u7387\u662f\u6bcf\u79d2100\u4e2a\uff0c\u4eba\u7fa4\u7684\u8d2d\u4e70\u6b32\u671b\u662f\u65e0\u7a77\u7684\uff08\u5c3d\u53ef\u80fd\u8fbe\u5230\u5927\u7684\u8d2d\u4e70\u901f\u7387\uff09\u3002\u4e8e\u662f\uff0c\u5728\u5f00\u653e\u8d2d\u4e70\u7684\u77ac\u95f4\uff0c\u4eba\u7fa4\u77ac\u95f4\u62a2\u5b8c\u4e8650\u4e2a\u4ee4\u724c\uff08\u7a81\u53d1\u901f\u7387\uff09\uff0c\u800c\u4e4b\u540e\u4eba\u7fa4\u4ee5\u6bcf\u79d2100\u4eba\u7684\u901f\u7387\u8d2d\u4e70\uff0c\u6b63\u597d\u4e0e\u4ee4\u724c\u751f\u6210\u901f\u5ea6\u76f8\u540c\uff08\u9650\u5236\u7684\u6700\u9ad8\u901f\u7387\uff09\uff0c\u540c\u65f6\u4ee4\u724c\u6876\u5bb9\u91cf\u4e00\u76f4\u4e3a0\uff0c\u8fd9\u6837\u4e00\u6765\u5c31\u6210\u529f\u5c06\u4eba\u7fa4\u8d2d\u4e70\u901f\u7387\u9650\u5236\u4e3a\u4ee4\u724c\u751f\u6210\u901f\u7387\u3002<\/p>\n
\u5b9e\u64cd
\n\u770b\u8fc7\u4e86\u4e0a\u9762\u4ec0\u4e48\u662f\u4ee4\u724c\u6876\u7684\u89e3\u91ca\uff0c\u76f8\u4fe1\u4f60\u4e5f\u610f\u8bc6\u5230\u4e86\uff0c\u4ee4\u724c\u6876\u751f\u6210\u901f\u7387\u5c31\u662f\u6211\u4eec\u9650\u5236\u7684\u7f51\u7edc\u901f\u7387\u3002<\/p>\n
\u4e0b\u9762\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u573a\u666f\u6765\u8bb2\u89e3\uff1a<\/p>\n
A\uff08\u4e00\u4e2a\u591a\u4e2a\u4e0d\u540cIP\u7684\u5ba2\u6237\u7aef\uff09\u2192 B\uff08\u6d41\u91cf\u4e2d\u8f6c\u673a\u5668\uff09\u2192 C\uff08\u6d41\u91cf\u76ee\u6807\u673a\u5668\uff09<\/p>\n
\u5047\u8bbeA\u3001B\u3001C\u7684IP\u5730\u5740\u5206\u522b\u4e3a1.1.1.1\uff0c2.2.2.2\uff0c3.3.3.3\u3002<\/p>\n
\u5728\u6b64\u573a\u666f\u4e2d\uff0c\u8981\u6c42\u9650\u5236A\u901a\u8fc7B\u7684\u7f51\u7edc\u901f\u7387\u7684\u603b\u5408\u4e3a\u4e0a\u4e0b\u5bf9\u7b49100Mbps\u3002\uff08\u65e0\u8bba\u591a\u7528\u6237\u8fd8\u662f\u5355\u7528\u6237\uff0c\u591a\u7ebf\u7a0b\u8fd8\u662f\u5355\u7ebf\u7a0b\uff0c\u603b\u901f\u7387\u9650\u5236\u4e3a100Mbps\uff09<\/p>\n
\u5728B\u4e0a\u64cd\u4f5c\uff1a<\/p>\n
\u9650\u5236C\u2192B\u2192A\u901f\u7387<\/p>\n
`iptables -A INPUT -p tcp -s 3.3.3.3 -m hashlimit \\
\n--hashlimit-name limitDownLink \\
\n--hashlimit-upto 12500kb\/s \\
\n--hashlimit-mode srcip \\
\n--hashlimit-burst 12500kb \\
\n-j ACCEPT<\/p>\n
iptables -A INPUT -p tcp -s 3.3.3.3 -j DROP`
\n\u90e8\u5206\u89e3\u91ca\uff1a<\/p>\n
--hashlimit-name\u4e0d\u4ec5\u662f\u4e2a\u201c\u540d\u5b57\u201d\uff0c\u4ed6\u662f\u4ee4\u724c\u6876\u72ec\u4e00\u65e0\u4e8c\u7684\u6807\u5fd7\uff0c\u5982\u679c\u4e24\u6761\u547d\u4ee4\u7528\u4e86\u4e00\u4e2a\u540d\u5b57\uff0c\u4ed6\u4eec\u5c06\u5171\u4eab\u8fd9\u4e2a\u4ee4\u724c\u6876\uff08\u53ef\u4ee5\u77e5\u9053\u901f\u7387\u4e5f\u4f1a\u5171\u4eab\uff09\uff0c\u6240\u4ee5\u8bf7\u4fdd\u8bc1\u4f7f\u7528\u72ec\u4e00\u65e0\u4e8c\u7684\u540d\u5b57\u3002<\/p>\n
--hashlimit-upto\u5236\u5b9a\u4e86\u4ee4\u724c\u751f\u6210\u901f\u7387\u3002\uff08\u8fd9\u91cckb\/s\u662fkByte\/s\uff09<\/p>\n
--hashlimit-mode\u662f\u5339\u914d\u6a21\u5f0f\uff0c\u8fd9\u91cc\u6307\u5b9asrcip\u6a21\u5f0f\u5219\u662f\u6bcf\u4e2a\u6e90IP\u4e00\u4e2a\u4ee4\u724c\u6876\uff0c\u56e0\u4e3a\u8fd9\u91cc\u6e90IP\u53ea\u6709C\u76843.3.3.3\uff0c\u6240\u4ee5\u4ee4\u724c\u6876\u53ea\u6709\u4e00\u4e2a\u3002\u6a21\u5f0f\u6709\uff1asrcip\u3001srcport\u3001dstip\u3001dstport\u3002<\/p>\n
--hashlimit-burst\u5236\u5b9a\u4e86\u4ee4\u724c\u6876\u7684\u5927\u5c0f\uff08iptables\u89c4\u5b9a\u4e86\u4ee4\u724c\u6876\u5927\u5c0f\u5fc5\u987b\u5927\u4e8e\u7b49\u4e8e\u751f\u6210\u901f\u7387\uff08\u8bbe\u7f6e\u7684\u4e0d\u5bf9iptables\u4f1a\u544a\u8bc9\u4f60\u6700\u5c0f\u503c\uff0c\u6700\u5c0f\u503c\u4e5f\u4e0d\u4e00\u5b9a\u662f\u751f\u6210\u901f\u7387\uff09\uff09\u3002<\/p>\n
\u4e3a\u4ec0\u4e48\u8981\u4e24\u6761\u547d\u4ee4\uff1f<\/p>\n
\u88ab\u7b2c\u4e00\u6761\u547d\u4ee4\u5339\u914d\u6210\u529f\u7684\u6570\u636e\u62a5\uff08\u62ff\u5230\u4ee4\u724c\u7684\uff09\u88abACCEPT\uff0c\u5176\u4f59\u7684\u6570\u636e\u62a5\u88ab\u7b2c\u4e8c\u6761\u5339\u914d\u800c\u4e22\u5f03\u3002\u5982\u679c\u6ca1\u6709\u7b2c\u4e8c\u6761\u89c4\u5219\uff0c\u5219\u6570\u636e\u5305\u88abINPUT\u94fe\u9ed8\u8ba4\u7b56\u7565\u5339\u914d\uff08\u7edd\u5927\u591a\u6570\u60c5\u51b5\u4ee5\u53ca\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662fACCEPT\uff09\uff0c\u6545\u800c\u6839\u672c\u6ca1\u6709\u8d77\u5230\u9650\u901f\u4f5c\u7528\u3002<\/p>\n
\u9650\u5236A\u2192B\u2192C\u901f\u7387<\/p>\n
`iptables -A OUTPUT -p tcp -d 3.3.3.3 -m hashlimit \\
\n--hashlimit-name limitUpLink \\
\n--hashlimit-upto 12500kb\/s \\
\n--hashlimit-mode dstip \\
\n--hashlimit-burst 12500kb \\
\n-j ACCEPT<\/p>\n
iptables -A OUTUT -p tcp -d 3.3.3.3 -j DROP`
\n\u5176\u4ed6
\n\u7075\u6d3b\u7684\u9650\u901f<\/p>\n
\u53c2\u7167\u5b9e\u64cd\u90e8\u5206\u7684\u4f8b\u5b50\uff0c\u4f60\u53ef\u4ee5\u7075\u6d3b\u7684\u8bbe\u7f6e\u81ea\u5df1\u7684\u89c4\u5219\uff0c\u4f8b\u5982\u52a0\u5165\u5339\u914d\u7aef\u53e3\u7b49\u5176\u4ed6\u5339\u914d\u89c4\u5219<\/p>\n
limit\u9650\u901f\u65b9\u6cd5
\n`iptables -A OUTPUT -p tcp -d 3.3.3.3 -m limit \\
\n--limit 100\/s \\
\n--limit-burst 10 \\
\n-j ACCEPT<\/p>\n
iptables -A OUTUT -p tcp -d 3.3.3.3 -j DROP` --hashlimit-above\u4e0e--hashlimit-upto\u4e24\u8005\u7684\u533a\u522b\u6839\u636e\u6587\u6863\u4e00\u4e2a\u662fmin\uff0c\u4e00\u4e2a\u662fmax\uff0cmin\u4ee5\u4e0a\u5141\u8bb8\uff0cmax\u4ee5\u4e0b\u5141\u8bb8<\/p>\n","protected":false},"excerpt":{"rendered":" \u5bf9\u4e8elinux\u7cfb\u7edf\u9650\u901f\u6709\u591a\u79cd\u65b9\u6cd5\uff1a \u65b9\u6cd5\u4e00\uff1atc\u65b9\u6cd5\uff0c\u6b64\u65b9\u6cd5\u914d\u7f6e\u590d\u6742 \u65b9\u6cd5\u4e8c\uff1awondersharper\u8f6f\u4ef6\u9650\u901f\uff0c\u914d\u7f6e\u7b80\u5355\uff0c\u9488\u5bf9\u7269\u7406\u7aef\u53e3\u9650\u901f \u65b9\u6cd5\u4e09\uff1a iptables\u9650\u901f\uff0c\u4e3b\u8981\u4f9d\u636e\u4ee4\u724c\u6876\u7b97\u6cd5\uff0c\u4e3b\u8981\u6709limit\u4e0ehashlimit\uff0climi […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-498","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/idc.birk.cn\/index.php?rest_route=\/wp\/v2\/posts\/498","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.birk.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.birk.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.birk.cn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.birk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=498"}],"version-history":[{"count":3,"href":"https:\/\/idc.birk.cn\/index.php?rest_route=\/wp\/v2\/posts\/498\/revisions"}],"predecessor-version":[{"id":501,"href":"https:\/\/idc.birk.cn\/index.php?rest_route=\/wp\/v2\/posts\/498\/revisions\/501"}],"wp:attachment":[{"href":"https:\/\/idc.birk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.birk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.birk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=498"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/idc.birk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n--limit \u6307\u5b9a\u4ee4\u724c\u6876\u901f\u5ea6\uff0c\u6307\u5305\u7684\u4e2a\u6570\uff0c\u5355\u4e2a\u5305\u6700\u59271500\u5b57\u8282\uff0c100 1500 <\/em> 8=1.14Mb\/s<\/p>\n