{"id":11771,"date":"2024-07-18T10:06:43","date_gmt":"2024-07-18T10:06:43","guid":{"rendered":"https:\/\/symlexvpn.com\/?p=11771"},"modified":"2026-03-28T03:59:43","modified_gmt":"2026-03-28T03:59:43","slug":"difference-between-dos-and-ddos-attack","status":"publish","type":"post","link":"https:\/\/symlexvpn.com\/zh\/difference-between-dos-and-ddos-attack\/","title":{"rendered":"DoS \u4e0e DDoS \u653b\u51fb\uff1a\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p>DoS \u548c DDoS \u653b\u51fb\u662f\u81ed\u540d\u662d\u8457\u7684\u7f51\u7edc\u653b\u51fb\uff0c\u4f1a\u7834\u574f\u7f51\u7edc\u6216\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>\u4e00\u4e2a <a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-a-denial-of-service-attack-dos\">\u62d2\u7edd\u670d\u52a1\u653b\u51fb<\/a> \u6d89\u53ca\u5355\u4e2a\u8bbe\u5907\u4ee5\u8fc7\u591a\u7684\u6d41\u91cf\u538b\u5012\u76ee\u6807\u3002&nbsp;<\/p>\n\n\n\n<p>\u6216\u8005\uff0c\u4e00\u4e2a <a href=\"https:\/\/www.cloudflare.com\/en-gb\/learning\/ddos\/what-is-a-ddos-attack\/\">DDoS \u653b\u51fb<\/a> \u4f7f\u7528\u50f5\u5c38\u7f51\u7edc\u63a7\u5236\u7684\u591a\u4e2a\u8bbe\u5907\u5411\u76ee\u6807\u53d1\u9001\u5927\u91cf\u6d41\u91cf\uff0c\u4f7f\u5176\u66f4\u52a0\u96be\u4ee5\u9632\u5fa1\u3002<\/p>\n\n\n\n<p>\u867d\u7136\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684\u653b\u51fb\u90fd\u65e8\u5728\u7834\u574f\u5728\u7ebf\u8d44\u6e90\u7684\u53ef\u7528\u6027\uff0c\u4f46\u5176\u8fc7\u7a0b\u548c\u5f71\u54cd\u53ef\u80fd\u5b58\u5728\u5f88\u5927\u5dee\u5f02\u3002&nbsp;<\/p>\n\n\n\n<p><strong>DDoS \u653b\u51fb\u5206\u4e3a\u4e09\u79cd\u5e38\u89c1\u7c7b\u578b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f53\u79ef\u653b\u51fb<\/li>\n\n\n\n<li>\u534f\u8bae DDoS \u653b\u51fb<\/li>\n\n\n\n<li>\u5e94\u7528\u7a0b\u5e8f DDoS \u653b\u51fb<\/li>\n<\/ul>\n\n\n\n<p>Understanding the nuances of DoS and DDoS attacks is crucial for developing effective defense strategies and safeguarding against DDoS attacks. This article will explore these attacks&#8217; key differences, characteristics, and prevention methods.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>\u76ee\u5f55<\/h2><ul><li><a href=\"#h-what-is-denial-of-service-dos\" data-level=\"2\">\u4ec0\u4e48\u662f\u62d2\u7edd\u670d\u52a1 (DoS)\uff1f<\/a><\/li><li><a href=\"#h-what-is-distributed-denial-of-service-ddos\" data-level=\"2\">\u4ec0\u4e48\u662f\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1 (DDoS)\uff1f<\/a><\/li><li><a href=\"#h-dos-vs-ddos-quick-comparison\" data-level=\"2\">DoS \u4e0e DDoS\uff1a\u5feb\u901f\u6bd4\u8f83<\/a><\/li><li><a href=\"#h-7-types-of-dos-and-ddos-attacks-explained\" data-level=\"2\">7 \u79cd DoS \u548c DDoS \u653b\u51fb\u7c7b\u578b\u89e3\u91ca<\/a><\/li><li><a href=\"#h-how-to-prevent-dos-and-ddos-attacks\" data-level=\"2\">\u5982\u4f55\u9632\u8303DoS\u548cDDoS\u653b\u51fb\uff1f<\/a><\/li><li><a href=\"#h-how-vpns-protect-against-dos-and-ddos-attacks\" data-level=\"2\">VPN \u5982\u4f55\u9632\u5fa1 DoS \u548c DDoS \u653b\u51fb\uff1f<\/a><\/li><li><a href=\"#h-famous-ddos-attacks-that-took-place\" data-level=\"2\">\u53d1\u751f\u8fc7\u7684\u8457\u540d DDoS \u653b\u51fb<\/a><\/li><li><a href=\"#h-frequently-asked-questions-faqs\" data-level=\"2\">\u5e38\u89c1\u95ee\u9898 (FAQ)<\/a><\/li><li><a href=\"#h-final-thoughts\" data-level=\"2\">\u7ed3\u8bed<\/a><\/li><\/ul><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-denial-of-service-dos\"><strong>\u4ec0\u4e48\u662f\u62d2\u7edd\u670d\u52a1 (DoS)\uff1f<\/strong><\/h2>\n\n\n\n<p>DoS \u653b\u51fb\u6d89\u53ca\u5355\u4e2a\u8bbe\u5907\u6216\u6e90\u901a\u8fc7\u8fc7\u591a\u7684\u6d41\u91cf\u3001\u8bf7\u6c42\u6216\u6076\u610f\u64cd\u4f5c\u538b\u57ae\u76ee\u6807\u7cfb\u7edf\u6216\u7f51\u7edc\u3002&nbsp;<\/p>\n\n\n\n<p>\u8fd9\u79cd\u8d44\u6e90\u8fc7\u8f7d\u53ef\u80fd\u4f1a\u5bfc\u81f4\u76ee\u6807\u4e0d\u53ef\u7528\uff0c\u4ece\u800c\u62d2\u7edd\u5408\u6cd5\u7528\u6237\u8bbf\u95ee\u53d7\u5f71\u54cd\u7684\u670d\u52a1\u3002<\/p>\n\n\n\n<p>DoS attacks often exploit vulnerabilities in the target&#8217;s infrastructure or software, leveraging techniques such as SYN floods, UDP floods, or application-layer attacks to exhaust the system&#8217;s resources.&nbsp;<\/p>\n\n\n\n<p>DoS \u653b\u51fb\u901a\u5e38\u901a\u8fc7\u50f5\u5c38\u7f51\u7edc\u4f7f\u7528 LOIC\/HOIC \u7a0b\u5e8f\u8fdb\u884c\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-distributed-denial-of-service-ddos\"><strong>\u4ec0\u4e48\u662f\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1 (DDoS)\uff1f<\/strong><\/h2>\n\n\n\n<p><strong>\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1 (DDoS) \u653b\u51fb\u662f\u4e00\u79cd\u66f4\u590d\u6742\u7684 DoS \u653b\u51fb\uff0c\u5b83\u4f7f\u7528\u591a\u4e2a\u6e90\u540c\u65f6\u4ece\u4e0d\u540c\u4f4d\u7f6e\u53d1\u8d77\u653b\u51fb\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4f7f\u5f97 DDoS \u653b\u51fb\u6bd4\u4f20\u7edf\u7684 DoS \u653b\u51fb\u66f4\u96be\u7f13\u89e3\u3002\u5173\u952e\u533a\u522b\u5728\u4e8e DoS \u653b\u51fb\u6e90\u81ea\u5355\u4e00\u6765\u6e90\u3002&nbsp;<\/p>\n\n\n\n<p>\u53e6\u5916\uff0cDDoS \u653b\u51fb\u6765\u81ea\u591a\u4e2a\u5206\u5e03\u5f0f\u6765\u6e90\uff0c\u8fd9\u4f7f\u5f97\u8bc6\u522b\u548c\u963b\u6b62\u653b\u51fb\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u3002<\/p>\n\n\n\n<p>DoS \u548c DDoS \u653b\u51fb\u4f1a\u5bf9\u7ec4\u7ec7\u4ea7\u751f\u91cd\u5927\u5f71\u54cd\uff0c\u9020\u6210\u4e2d\u65ad\u3001\u8d22\u52a1\u635f\u5931\u548c\u58f0\u8a89\u635f\u5bb3\u3002&nbsp;<\/p>\n\n\n\n<p>\u9632\u5fa1\u8fd9\u4e9b\u653b\u51fb\u9700\u8981\u7ed3\u5408\u6280\u672f\u63aa\u65bd\u3001\u4e8b\u4ef6\u54cd\u5e94\u8ba1\u5212\u4ee5\u53ca\u6301\u7eed\u7684\u76d1\u63a7\u548c\u7f13\u89e3\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-dos-vs-ddos-quick-comparison\"><strong>DoS \u4e0e DDoS\uff1a\u5feb\u901f\u6bd4\u8f83<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u56e0\u7d20<\/strong><\/td><td><strong>\u62d2\u7edd\u670d\u52a1 (DoS)<\/strong><\/td><td><strong>\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1 (DDoS)<\/strong><\/td><\/tr><tr><td><strong>\u653b\u51fb\u6765\u6e90<\/strong><\/td><td>\u5355\u4e00\u6765\u6e90<\/td><td>\u591a\u4e2a\u5206\u5e03\u5f0f\u6e90<\/td><\/tr><tr><td><strong>Attack Scale<\/strong><\/td><td>\u6709\u9650\u7684<\/td><td>\u5927\u89c4\u6a21<\/td><\/tr><tr><td><strong>\u653b\u51fb\u673a\u5236<\/strong><\/td><td>\u5229\u7528\u5355\u4e00\u6765\u6e90\u7684\u6d41\u91cf\u538b\u57ae\u76ee\u6807\u7cfb\u7edf<\/td><td>\u4f7f\u7528\u6765\u81ea\u591a\u4e2a\u5206\u5e03\u5f0f\u6e90\u7684\u6d41\u91cf\u538b\u57ae\u76ee\u6807\u7cfb\u7edf<\/td><\/tr><tr><td><strong>\u6267\u884c\u96be\u5ea6<\/strong><\/td><td>\u6bd4\u8f83\u5bb9\u6613<\/td><td>\u7f16\u6392\u66f4\u590d\u6742<\/td><\/tr><tr><td><strong>\u5f71\u54cd<\/strong><\/td><td>\u53ef\u80fd\u4f1a\u6682\u65f6\u4e2d\u65ad\u670d\u52a1<\/td><td>\u53ef\u80fd\u4f1a\u5bfc\u81f4\u957f\u65f6\u95f4\u7684\u670d\u52a1\u4e2d\u65ad<\/td><\/tr><tr><td><strong>\u53ef\u68c0\u6d4b\u6027<\/strong><\/td><td>\u66f4\u5bb9\u6613\u68c0\u6d4b\u548c\u7f13\u89e3<\/td><td>\u68c0\u6d4b\u548c\u7f13\u89e3\u66f4\u5177\u6311\u6218\u6027<\/td><\/tr><tr><td><strong>\u52a8\u673a<\/strong><\/td><td>\u4e2a\u4eba\u3001\u653f\u6cbb\u6216\u610f\u8bc6\u5f62\u6001\u539f\u56e0<\/td><td>\u901a\u5e38\u51fa\u4e8e\u7ecf\u6d4e\u52a8\u673a\u6216\u7528\u4e8e\u5206\u6563\u5176\u4ed6\u6076\u610f\u6d3b\u52a8\u7684\u6ce8\u610f\u529b<\/td><\/tr><tr><td><strong>\u793a\u4f8b<\/strong><\/td><td>HTTP \u8bf7\u6c42\u6df9\u6ca1\u7f51\u7ad9\uff0c\u8017\u5c3d\u7cfb\u7edf\u8d44\u6e90<\/td><td>\u9488\u5bf9\u5177\u6709\u5927\u91cf\u6d41\u91cf\u7684\u670d\u52a1\u5668\u6216\u7f51\u7edc\u7684\u50f5\u5c38\u7f51\u7edc\u653b\u51fb<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-7-types-of-dos-and-ddos-attacks-explained\"><strong>7 \u79cd DoS \u548c DDoS \u653b\u51fb\u7c7b\u578b\u89e3\u91ca<\/strong><\/h2>\n\n\n\n<p>DoS\u548cDDoS\u653b\u51fb\u6709\u4e03\u79cd\u4e3b\u8981\u7c7b\u578b\uff0c\u5305\u62ecPing of Death\u3001SYN Flood\u3001UDP Flood\u3001HTTP Flood\u3001\u96f6\u65e5\u653b\u51fb\u7b49\u3002&nbsp;<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u653b\u51fb\u901a\u5e38\u901a\u8fc7\u4f4e\u8f68\u9053\u79bb\u5b50\u70ae (LOIC) \u548c\u9ad8\u8f68\u9053\u70ae (HOIC) \u7b49\u7a0b\u5e8f\u8fdb\u884c\uff0c\u8fd9\u4e9b\u7a0b\u5e8f\u4f7f\u7528\u50f5\u5c38\u7f51\u7edc\u6216\u5e7d\u7075 PC\u3002<\/p>\n\n\n\n<p><strong>\u4f4e\u8f68\u9053\u70ae (LOIC)<\/strong><\/p>\n\n\n\n<p>LOIC \u662f\u4e00\u79cd\u7b80\u5355\u7684 DoS\/DDoS \u653b\u51fb\u5de5\u5177\uff0c\u53ef\u901a\u8fc7\u6765\u81ea\u5355\u4e2a\u8bbe\u5907\u7684\u6d41\u91cf\u6df9\u6ca1\u76ee\u6807\u3002\u5b83\u5141\u8bb8\u7528\u6237 <strong>specify the target&#8217;s IP address and port and<\/strong> \u8981\u53d1\u8d77\u7684\u653b\u51fb\u7c7b\u578b\u3002 LOIC \u901a\u5e38\u7528\u4e8e\u534f\u540c\u653b\u51fb\uff0c\u5373\u591a\u4e2a\u7528\u6237\u540c\u65f6\u9488\u5bf9\u540c\u4e00\u53d7\u5bb3\u8005\u3002&nbsp;<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u5b83\u7684\u7b80\u5355\u6027\u548c\u5bf9 <strong>\u5355\u4e00\u6765\u6e90<\/strong> \u4e0e\u66f4\u5148\u8fdb\u7684 DDoS \u5de5\u5177\u76f8\u6bd4\uff0c\u5176\u9488\u5bf9\u590d\u6742 DDoS \u9632\u5fa1\u7684\u6548\u679c\u8f83\u5dee\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-high-orbit-cannon-hoic\"><br><strong>\u9ad8\u8f68\u9053\u70ae (HOIC)<\/strong><\/h3>\n\n\n\n<p>HOIC \u662f\u4e00\u79cd\u66f4\u5148\u8fdb\u7684 DDoS \u5de5\u5177\uff0c\u53ef\u4ee5\u751f\u6210 <strong>\u66f4\u9ad8\u7684\u4ea4\u901a\u91cf<\/strong> \u6765\u81ea\u591a\u4e2a\u6765\u6e90\uff0c\u4f7f\u5176\u66f4\u6709\u6548\u5730\u62b5\u5fa1 DDoS \u7f13\u89e3\u63aa\u65bd\u3002<\/p>\n\n\n\n<p>\u4e0e LOIC \u4e0d\u540c\uff0cHOIC \u5229\u7528\u901a\u5e38\u7531\u50f5\u5c38\u7f51\u7edc\u63a7\u5236\u7684\u5206\u5e03\u5f0f\u8bbe\u5907\u7f51\u7edc\uff0c\u901a\u8fc7\u534f\u8c03\u653b\u51fb\u6765\u538b\u5012\u76ee\u6807\u3002\u8fd9\u79cd\u5206\u5e03\u5f0f\u7684\u6027\u8d28\u4f7f\u5f97 <strong>\u57fa\u4e8e HOIC \u7684 DDoS \u653b\u51fb<\/strong> \u7531\u4e8e\u6d41\u91cf\u540c\u65f6\u6e90\u81ea\u4e0d\u540c\u4f4d\u7f6e\uff0c\u56e0\u6b64\u68c0\u6d4b\u548c\u7f13\u89e3\u66f4\u5177\u6311\u6218\u6027\u3002&nbsp;<\/p>\n\n\n\n<p>\u9632\u5fa1 HOC \u652f\u6301\u7684 DDoS \u653b\u51fb\u9700\u8981\u5f3a\u5927\u7684 <strong>\u7f51\u7edc\u76d1\u63a7<\/strong>, <strong>\u6d41\u91cf\u5206\u6790\uff0c<\/strong> \u548c <strong>\u9ad8\u7ea7 DDoS \u7f13\u89e3<\/strong> \u7b56\u7565\u3002<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u8ba8\u8bba\u4e03\u79cd\u4e3b\u8981\u7c7b\u578b\u7684 DoS\/DDoS \u653b\u51fb\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ping-of-death\"><a href=\"https:\/\/www.imperva.com\/learn\/ddos\/ping-of-death\/\"><strong>\u6b7b\u4ea1\u4e4b\u5e73<\/strong><\/a><\/h3>\n\n\n\n<p>Ping of Death (PoD) \u662f\u4e00\u79cd\u62d2\u7edd\u670d\u52a1 (DoS) \u653b\u51fb\uff0c\u5176\u4e2d\u7578\u5f62\u6216 <strong>\u8d85\u5927 ping \u6570\u636e\u5305<\/strong> \u88ab\u53d1\u9001\u5230\u76ee\u6807\u7cfb\u7edf\u4ee5\u4f7f\u5176\u5d29\u6e83\u6216\u4e0d\u7a33\u5b9a\u3002<\/p>\n\n\n\n<p>\u8d85\u5927\u6570\u636e\u5305\u653b\u51fb\u5229\u7528 TCP\/IP \u534f\u8bae\u6808\u4e2d\u7684\u6f0f\u6d1e\uff0c\u5bfc\u81f4\u76ee\u6807\u7cfb\u7edf\u5d29\u6e83\u6216\u91cd\u542f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-\"><img decoding=\"async\" src=\"https:\/\/lh7-us.googleusercontent.com\/docsz\/AD_4nXdlIbfsGdOg6zrddwAyNDatFJc-eXCC5voZAVX6VKTcsDid08HD6V6KSxnrRIyftK66HkWsWNinVeoCZdeZvZsqjCcvYkF9fGBHuKI9AOsdeK7p9zHqojOC6xekMkDncnpvw6jtthhImuhVZ2hAX_6WHY0N?key=dX4e68XTUjJps9U1pRb0ag\" alt=\"Image\" style=\"\"><\/h2>\n\n\n\n<p>\u9632\u5fa1 Ping of Death \u653b\u51fb\u6d89\u53ca\u5b9e\u65bd <strong>\u6b63\u786e\u7684\u6570\u636e\u5305\u5927\u5c0f\u9a8c\u8bc1 <\/strong>\u548c <strong>\u7f51\u7edc\u76d1\u63a7 <\/strong>\u68c0\u6d4b\u5e76\u963b\u6b62\u683c\u5f0f\u9519\u8bef\u7684 ICMP \u6570\u636e\u5305\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-syn-flood\"><a href=\"https:\/\/www.netscout.com\/what-is-ddos\/syn-flood-attacks\"><strong>\u540c\u6b65\u6d2a\u6c34<\/strong><\/a><\/h3>\n\n\n\n<p>A SYN flood attack overwhelms a target&#8217;s resources by sending many TCP connection requests (SYN packets) without completing the<strong> \u4e09\u6b21\u63e1\u624b<\/strong>.&nbsp;<\/p>\n\n\n\n<p>This can exhaust the target&#8217;s connection queue, making it unable to respond to legitimate connection requests. Mitigation strategies include SYN cookies, connection limit enforcement, and using load balance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-\"><img loading=\"lazy\" decoding=\"async\" alt=\"Image\" src=\"https:\/\/lh7-us.googleusercontent.com\/docsz\/AD_4nXdymxjeYsCRp-hQT6qVADts1zJFSU9jeHzfg08OxqhuNMKvJYZlDJWfsoKuY5nz2KVvMlG4BX16HJNTahgIIKUyB4U-iFzZgLzBLOnMH-u37BdBZ39U2FSCzXTpHQgQVQhg6Iw835lXHvPM1INvnqJE75zE?key=dX4e68XTUjJps9U1pRb0ag\" width=\"535\" height=\"301\"><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-udp-flood\"><a href=\"https:\/\/www.akamai.com\/glossary\/what-is-udp-flood-ddos-attack\"><strong>UDP\u6d2a\u6c34<\/strong><\/a><\/h3>\n\n\n\n<p>UDP \u6d2a\u6c34\u653b\u51fb\u662f\u4e00\u79cd\u6d41\u91cf DDoS \u653b\u51fb\uff0c\u5b83\u5229\u7528\u7528\u6237\u56fe\u534f\u8bae (UDP) \u7684\u65e0\u8fde\u63a5\u7279\u6027\u3002\u4e0e\u4f20\u8f93\u63a7\u5236\u534f\u8bae (TCP) \u4e0d\u540c\u3002 UDP \u4e0d\u9700\u8981\u63e1\u624b\u6765\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u5411\u76ee\u6807\u7cfb\u7edf\u4e0a\u7684\u968f\u673a\u7aef\u53e3\u53d1\u9001\u5927\u91cf UDP \u6570\u636e\u5305\u3001\u8017\u5c3d\u5176\u8d44\u6e90\u5e76\u62d2\u7edd\u5411\u5408\u6cd5\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u6765\u5229\u7528\u6b64\u6f0f\u6d1e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-\"><img loading=\"lazy\" decoding=\"async\" alt=\"Image\" src=\"https:\/\/lh7-us.googleusercontent.com\/docsz\/AD_4nXcgmEzEvP7Ipp7QAbMUzMXay05DEZnLpQ2sZhYfoH3BPbSpaWlE47r3G8FyLwNzu7znzZbUN9TR40TRV9gpP842nYsdnprS3wdwLRTiAc7R2qBcilkrP3JeTaW3xLMZViR-q4NccRtlB5xscH6EXk1p-cs?key=dX4e68XTUjJps9U1pRb0ag\" width=\"624\" height=\"375\"><\/h2>\n\n\n\n<p>\u7f13\u89e3 UDP \u6d2a\u6c34\u653b\u51fb\u6d89\u53ca\u5b9e\u65bd\u901f\u7387\u9650\u5236\u3001\u9ed1\u540d\u5355\u548c\u4f7f\u7528\u9ad8\u7ea7 DDoS \u9632\u62a4\u670d\u52a1\u7b49\u6280\u672f\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-http-flood\"><a href=\"https:\/\/www.radware.com\/cyberpedia\/application-security\/http-flood\/\"><strong>HTTP \u6d2a\u6c34<\/strong><\/a><\/h3>\n\n\n\n<p>An HTTP flood is a type of DDoS attack that targets web servers by sending many legitimate-looking HTTP requests, overwhelming the server&#8217;s resources and disrupting normal operation. This attack aims to exhaust the target&#8217;s CPU, memory, or network bandwidth, making the website or web application unavailable to legitimate users.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-\"><img loading=\"lazy\" decoding=\"async\" alt=\"Image\" src=\"https:\/\/lh7-us.googleusercontent.com\/docsz\/AD_4nXc66xs95sfR3iaA7O7wLEstR7xfsP37N9Rawiam4iu7Dbr4h-Gsw9-Aex_83OuxBiX2jzC86t1rW-oOadjdkhCVBmTyrtNkn9D4hf9M4tLeRZqwzggBGOzPygs-CaffKlBl4YLNtdZbna-Freg-OyWBHmYR?key=dX4e68XTUjJps9U1pRb0ag\" width=\"624\" height=\"303\"><\/h2>\n\n\n\n<p>\u9632\u5fa1 HTTP \u6d2a\u6c34\u9700\u8981\u901f\u7387\u9650\u5236\u3001\u9a8c\u8bc1\u7801\u6311\u6218\u4ee5\u53ca\u5229\u7528\u5185\u5bb9\u4ea4\u4ed8\u7f51\u7edc (CDN) \u6216\u57fa\u4e8e\u4e91\u7684 DDoS \u7f13\u89e3\u670d\u52a1\u7b49\u6280\u672f\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-zero-day-attack\"><a href=\"https:\/\/www.kaspersky.com\/resource-center\/definitions\/zero-day-exploit\"><strong>\u96f6\u65e5\u653b\u51fb<\/strong><\/a><\/h3>\n\n\n\n<p>\u96f6\u65e5\u653b\u51fb\u662f\u4e00\u79cd\u76f8\u5bf9\u8f83\u65b0\u53d1\u73b0\u7684\u5b89\u5168\u653b\u51fb\uff0c\u9ed1\u5ba2\u53ef\u4ee5\u5229\u7528\u5b83\u6765\u762b\u75ea\u7cfb\u7edf\u3002&nbsp;<\/p>\n\n\n\n<p>\u5f53\u9ed1\u5ba2\u5229\u7528\u6ca1\u6709\u8865\u4e01\u6216\u5b89\u5168\u4fee\u590d\u7a0b\u5e8f\u7684\u8f6f\u4ef6\u6216\u7cfb\u7edf\u4e2d\u5148\u524d\u672a\u77e5\u7684\u6f0f\u6d1e\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u8fd9\u79cd\u653b\u51fb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-\"><img loading=\"lazy\" decoding=\"async\" alt=\"Image\" src=\"https:\/\/lh7-us.googleusercontent.com\/docsz\/AD_4nXdBmCUg4oMFjn1IU4AYvyiZNCXnSA2hcrxwJYbhh7JulrXtRS1FwV0MRTePa5iYS4YnrkiqY9EsPDwhCLO2z9KoyWxDltICPoh9AKCzgN-IB5qlykyh4ansXWE_bZJUBdqcizC8Md4BZlvt3isiADN-x-Xs?key=dX4e68XTUjJps9U1pRb0ag\" width=\"624\" height=\"351\"><\/h2>\n\n\n\n<p>\u8be5\u653b\u51fb\u5229\u7528 HTTP\/2 \u534f\u8bae\u4e2d\u7684\u6f0f\u6d1e\u53d1\u8d77\u5927\u89c4\u6a21\u3001\u8d85\u5bb9\u91cf\u7684\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1 (DDoS) \u653b\u51fb\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-buffer-overflow\"><a href=\"https:\/\/www.fortinet.com\/resources\/cyberglossary\/buffer-overflow\"><strong>\u7f13\u51b2\u533a\u6ea2\u51fa<\/strong><\/a><\/h3>\n\n\n\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u6211\u4eec\u5fc5\u987b\u9996\u5148\u4e86\u89e3\u7f13\u51b2\u533a\u3002\u7f13\u51b2\u533a\u662f\u7269\u7406\u5185\u5b58\u4e2d\u7684\u4e00\u79cd\u5b58\u50a8\u8bbe\u5907\uff0c\u5728\u6570\u636e\u4ece\u4e00\u4e2a\u5730\u65b9\u8f6c\u6362\u5230\u53e6\u4e00\u4e2a\u5730\u65b9\u65f6\u4e34\u65f6\u5b58\u50a8\u6570\u636e\u3002&nbsp;<\/p>\n\n\n\n<p>\u5f53\u7a0b\u5e8f\u8bd5\u56fe\u5728\u7f13\u51b2\u533a\u4e2d\u5b58\u50a8\u8d85\u51fa\u5176\u6240\u80fd\u5bb9\u7eb3\u7684\u6570\u636e\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u7f13\u51b2\u533a\u6ea2\u51fa\u653b\u51fb\uff0c\u4ece\u800c\u5bfc\u81f4\u7cfb\u7edf\u6545\u969c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-\"><img loading=\"lazy\" decoding=\"async\" alt=\"Image\" src=\"https:\/\/lh7-us.googleusercontent.com\/docsz\/AD_4nXc70Qk9ZtJ7LepbjGw9JFEUMK868U9JaOTw0naF4SyxHYIXDTZGNVYq0UPQSygqyZb4fEvqF-NI0dyGxK1kVN7sloUtgXw6p31XHCnk_geftQGEg8N0v7xENeTgnElIlToy6Qj7TNpfgD9ybrWsOHy2oeLl?key=dX4e68XTUjJps9U1pRb0ag\" width=\"300\" height=\"120\"><\/h2>\n\n\n\n<p>This type of attack aims to overwrite the program&#8217;s memory, potentially allowing the attacker to execute arbitrary code on the target system.<\/p>\n\n\n\n<p>\u9632\u5fa1\u7f13\u51b2\u533a\u6ea2\u51fa\u653b\u51fb\u9700\u8981\u5b89\u5168\u7684\u7f16\u7801\u5b9e\u8df5\uff0c\u4f8b\u5982\u8f93\u5165\u9a8c\u8bc1\u3001\u8fb9\u754c\u68c0\u67e5\u548c\u5185\u5b58\u5b89\u5168\u7f16\u7a0b\u8bed\u8a00\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u7f13\u89e3\u8fd9\u4e9b\u95ee\u9898\uff0c\u7cfb\u7edf\u9700\u8981\u8fd0\u884c\u65f6\u4fdd\u62a4\uff0c\u4f8b\u5982\u5730\u5740\u7a7a\u95f4\u968f\u673a\u5316\uff0c\u5e76\u4e14\u53ef\u4ee5\u91c7\u53d6\u6570\u636e\u6267\u884c\u4fdd\u62a4\uff08DEP\uff09\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-dns-amplification-attack\"><a href=\"https:\/\/www.geeksforgeeks.org\/what-is-a-dns-amplification-attack\/\"><strong>DNS\u653e\u5927\u653b\u51fb<\/strong><\/a><\/h3>\n\n\n\n<p>DNS \u653e\u5927\u653b\u51fb\u662f DDoS \u653b\u51fb\u7684\u4e00\u79cd\uff0c\u5b83\u5229\u7528\u57df\u540d\u7cfb\u7edf (DNS) \u534f\u8bae\u4e2d\u7684\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53d1\u9001\u591a\u4e2a\u6b3a\u9a97\u6027 DNS \u8bf7\u6c42\u6765\u6253\u5f00 DNS \u89e3\u6790\u5668\uff0c\u7136\u540e\u89e3\u6790\u5668\u4ee5\u66f4\u5927\u7684 DNS \u54cd\u5e94\u6570\u636e\u5305\u8fdb\u884c\u54cd\u5e94\uff0c\u4ece\u800c\u653e\u5927\u6d41\u91cf\u5e76\u4f7f\u76ee\u6807\u7cfb\u7edf\u4e0d\u582a\u91cd\u8d1f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-\"><img loading=\"lazy\" decoding=\"async\" alt=\"Image\" src=\"https:\/\/lh7-us.googleusercontent.com\/docsz\/AD_4nXfsLZXkOax_Wczms5fVjFNLqRTO09pQXRLIcSRoyrkjAW6jUGNwrzGAHo27xWpdHQKHAvTrm9-SUI0Qf27USEDYZ6Z0F1JW4RFbD3hq75oXeFFt2Dx1qv4qXpHqbC7gADW9S8fDmRXZ-4HYz1lZseymNzvb?key=dX4e68XTUjJps9U1pRb0ag\" width=\"624\" height=\"340\"><\/h2>\n\n\n\n<p>\u7f13\u89e3 DNS \u653e\u5927\u653b\u51fb\u9700\u8981\u5b9e\u65bd DNS \u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u901f\u7387\u9650\u5236\u3001\u963b\u6b62\u6b3a\u9a97\u6d41\u91cf\u4ee5\u53ca\u4f7f\u7528 DNS \u9632\u706b\u5899\u6216\u57fa\u4e8e\u4e91\u7684 DDoS \u9632\u62a4\u670d\u52a1\u3002 DNS \u57fa\u7840\u8bbe\u65bd\u7684\u6301\u7eed\u76d1\u63a7\u548c\u66f4\u65b0\u5bf9\u4e8e\u9886\u5148\u4e8e\u4e0d\u65ad\u53d1\u5c55\u7684\u653b\u51fb\u6280\u672f\u4e5f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-prevent-dos-and-ddos-attacks\"><strong>\u5982\u4f55\u9632\u8303DoS\u548cDDoS\u653b\u51fb\uff1f<\/strong><\/h2>\n\n\n\n<p><strong>\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u9632\u6b62 DoS \u548c DDoS \u653b\u51fb\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-implement-ddos-protection-services\"><strong>\u5b9e\u65bd DDoS \u9632\u62a4\u670d\u52a1<\/strong><\/h3>\n\n\n\n<p>\u90e8\u7f72 DDoS \u9632\u62a4\u670d\u52a1\uff0c\u4ee5\u9632\u8303\u56e0\u6d41\u91cf\u8fc7\u591a\u800c\u5bfc\u81f4\u7f51\u7edc\u4e0d\u582a\u91cd\u8d1f\u7684\u653b\u51fb\u3002\u8fd9\u4e9b\u670d\u52a1\u8fc7\u6ee4\u5e76\u963b\u6b62\u6076\u610f\u6d41\u91cf\uff0c\u786e\u4fdd\u6301\u7eed\u53ef\u7528\u6027\u5e76\u9632\u6b62\u670d\u52a1\u4e2d\u65ad\u3002&nbsp;<\/p>\n\n\n\n<p>\u73b0\u4ee3\u89e3\u51b3\u65b9\u6848\u4f7f\u7528\u5148\u8fdb\u7684\u7b97\u6cd5\u548c\u673a\u5668\u5b66\u4e60\u6765\u8fdb\u884c\u5b9e\u65f6\u5a01\u80c1\u68c0\u6d4b\u548c\u7f13\u89e3\u3002\u5b9e\u65bd DDoS \u9632\u62a4\u53ef\u589e\u5f3a\u5b89\u5168\u6027\u3001\u7ef4\u62a4\u5ba2\u6237\u4fe1\u4efb\u5e76\u786e\u4fdd\u53ef\u9760\u8fd0\u8425\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ensure-adequate-network-capacity\"><strong>\u786e\u4fdd\u8db3\u591f\u7684\u7f51\u7edc\u5bb9\u91cf<\/strong><\/h3>\n\n\n\n<p>Ensuring adequate network capacity prevents performance bottlenecks and service disruptions during peak usage. Regularly assess your network&#8217;s load and forecast future demands. Upgrade infrastructure and utilize scalable cloud services and CDNs to handle increased traffic. Proactively managing network capacity ensures a seamless user experience and reliable service.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-implement-access-controls\"><strong>\u5b9e\u65bd\u8bbf\u95ee\u63a7\u5236<\/strong><\/h3>\n\n\n\n<p>\u5b9e\u65bd\u8bbf\u95ee\u63a7\u5236\u4ee5\u4fdd\u62a4\u654f\u611f\u6570\u636e\u514d\u906d\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002\u4f7f\u7528 <a href=\"https:\/\/www.techtarget.com\/searchsecurity\/definition\/multifactor-authentication-MFA\">\u591a\u91cd\u8eab\u4efd\u9a8c\u8bc1 (MFA)<\/a>\u3001\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff08RBAC\uff09\u548c\u6700\u5c0f\u6743\u9650\u539f\u5219\uff08PoLP\uff09\u3002 MFA \u6dfb\u52a0\u4e86\u989d\u5916\u7684\u5b89\u5168\u5c42\uff0cRBAC \u6839\u636e\u89d2\u8272\u5206\u914d\u6743\u9650\uff0cPoLP \u6700\u5c0f\u5316\u8bbf\u95ee\u6743\u9650\u3002\u5b9a\u671f\u66f4\u65b0\u8bbf\u95ee\u63a7\u5236\u4ee5\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u5b89\u5168\u9700\u6c42\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-keep-software-up-to-date\"><strong>\u4fdd\u6301\u8f6f\u4ef6\u6700\u65b0<\/strong><\/h3>\n\n\n\n<p>\u5b9a\u671f\u66f4\u65b0\u8f6f\u4ef6\u4ee5\u4fee\u8865\u6f0f\u6d1e\u5e76\u9632\u8303\u7f51\u7edc\u5a01\u80c1\u3002\u66f4\u65b0\u5305\u62ec\u64cd\u4f5c\u7cfb\u7edf\u3001\u5e94\u7528\u7a0b\u5e8f\u3001\u56fa\u4ef6\u548c\u63d2\u4ef6\u7684\u5b89\u5168\u589e\u5f3a\u548c\u9519\u8bef\u4fee\u590d\u3002&nbsp;<\/p>\n\n\n\n<p>Maintain a software asset inventory and automate the software update process. Software updates ensure your IT infrastructure&#8217;s security, stability, and performance.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-monitor-and-analyze-network-traffic\"><strong>\u76d1\u63a7\u548c\u5206\u6790\u7f51\u7edc\u6d41\u91cf<\/strong><\/h3>\n\n\n\n<p>\u6301\u7eed\u76d1\u63a7\u548c\u5206\u6790\u7f51\u7edc\u6d41\u91cf\u4ee5\u68c0\u6d4b\u548c\u54cd\u5e94\u53ef\u7591\u6d3b\u52a8\u3002\u4f7f\u7528\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf (IDS) \u548c\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf (IPS) \u7b49\u5de5\u5177\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u548c\u8b66\u62a5\u3002&nbsp;<\/p>\n\n\n\n<p>\u5206\u6790\u6d41\u91cf\u6709\u52a9\u4e8e\u8bc6\u522b\u6a21\u5f0f\u548c\u5f02\u5e38\u3001\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u5e76\u589e\u5f3a\u5b89\u5168\u6027\u3002\u4e3b\u52a8\u76d1\u63a7\u53ef\u786e\u4fdd\u53ef\u9760\u7684\u7f51\u7edc\u8fd0\u884c\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-have-an-incident-response-plan\"><strong>\u5236\u5b9a\u4e8b\u4ef6\u54cd\u5e94\u8ba1\u5212<\/strong><\/h3>\n\n\n\n<p>\u5236\u5b9a\u4e8b\u4ef6\u54cd\u5e94\u8ba1\u5212\u6765\u7ba1\u7406\u548c\u51cf\u8f7b\u5b89\u5168\u6f0f\u6d1e\u3002\u8be5\u8ba1\u5212\u5e94\u5305\u62ec\u51c6\u5907\u3001\u8bc6\u522b\u3001\u904f\u5236\u3001\u6839\u9664\u3001\u6062\u590d\u548c\u7ecf\u9a8c\u6559\u8bad\u3002<\/p>\n\n\n\n<p>\u5efa\u7acb\u4e8b\u4ef6\u54cd\u5e94\u56e2\u961f\uff0c\u5b9a\u4e49\u89d2\u8272\uff0c\u5e76\u5b9a\u671f\u6d4b\u8bd5\u548c\u66f4\u65b0\u8ba1\u5212\u3002\u6709\u6548\u7684\u4e8b\u4ef6\u54cd\u5e94\u53ef\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u635f\u5bb3\uff0c\u786e\u4fdd\u5feb\u901f\u6062\u590d\u5e76\u6539\u8fdb\u672a\u6765\u7684\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-vpns-protect-against-dos-and-ddos-attacks\"><strong>VPN \u5982\u4f55\u9632\u5fa1 DoS \u548c DDoS \u653b\u51fb\uff1f<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-for-individuals\"><strong>\u5bf9\u4e8e\u4e2a\u4eba<\/strong><\/h3>\n\n\n\n<p>\u4e00\u4e2a <a href=\"https:\/\/symlexvpn.com\/zh\/\">\u865a\u62df\u4e13\u7528\u7f51<\/a> \uff08\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff09\u53ef\u4ee5\u901a\u8fc7\u9690\u85cf\u60a8\u7684 IP \u5730\u5740\u6765\u9632\u6b62 DoS\uff08\u62d2\u7edd\u670d\u52a1\uff09\u548c DDoS\uff08\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\uff09\u653b\u51fb\u3002\u5f53\u60a8\u7684 IP \u88ab\u9690\u85cf\u65f6\uff0c\u653b\u51fb\u8005\u5f88\u96be\u627e\u5230\u5e76\u7784\u51c6\u60a8\u7684\u7f51\u7edc\u3002 VPN \u4f1a\u52a0\u5bc6\u60a8\u7684\u4e92\u8054\u7f51\u6d41\u91cf\uff0c\u4f7f\u653b\u51fb\u8005\u96be\u4ee5\u62e6\u622a\u60a8\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u5f53\u60a8\u4f7f\u7528 VPN \u65f6\uff0c\u60a8\u7684\u5728\u7ebf\u6d3b\u52a8\u5c06\u66f4\u52a0\u79c1\u5bc6\u3002\u60a8\u7684 ISP \u548c\u5176\u4ed6\u4e2d\u4ecb\u673a\u6784\u65e0\u6cd5\u770b\u5230\u60a8\u7684\u6d4f\u89c8\u4e60\u60ef\u3002\u8fd9\u79cd\u52a0\u5bc6\u589e\u52a0\u4e86\u989d\u5916\u7684\u5b89\u5168\u5c42\uff0c\u4f7f\u653b\u51fb\u8005\u96be\u4ee5\u53d1\u8d77 DoS \u6216 DDoS \u653b\u51fb\u3002<\/p>\n\n\n\n<p>A VPN protects personal data and prevents disruptions to individuals&#8217; online activities. It keeps your internet connection safe and private. This protection is crucial for gaming, streaming, and online banking, where interruptions can be particularly frustrating.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-for-businesses\"><strong>\u5bf9\u4e8e\u4f01\u4e1a<\/strong><\/h3>\n\n\n\n<p>A VPN secures the company&#8217;s network, protecting sensitive information from unauthorized access. By hiding the IP addresses of business servers, VPNs make it difficult for attackers to find and target them.<\/p>\n\n\n\n<p>VPN\u6709\u52a9\u4e8e\u9632\u6b62DoS\u548cDDoS\u653b\u51fb\u9020\u6210\u7684\u670d\u52a1\u4e2d\u65ad\uff0c\u786e\u4fdd\u5e73\u7a33\u8fd0\u884c\u3002\u4f9d\u8d56\u6301\u7eed\u5728\u7ebf\u72b6\u6001\u7684\u4f01\u4e1a\u53ef\u4ee5\u907f\u514d\u4ee3\u4ef7\u9ad8\u6602\u7684\u505c\u673a\u65f6\u95f4\u3002 VPN \u63d0\u4f9b\u7684\u52a0\u5bc6\u53ef\u786e\u4fdd\u673a\u5bc6\u4e1a\u52a1\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528 VPN \u662f\u5168\u9762\u5b89\u5168\u7b56\u7565\u7684\u5173\u952e\u4e00\u6b65\u3002\u5b83\u53ef\u4ee5\u964d\u4f4e\u7f51\u7edc\u653b\u51fb\u7684\u98ce\u9669\uff0c\u4fdd\u62a4\u5173\u952e\u6570\u636e\uff0c\u5e76\u7ef4\u62a4\u5ba2\u6237\u548c\u5229\u76ca\u76f8\u5173\u8005\u7684\u4fe1\u4efb\u3002\u5bf9\u4e8e\u4e2a\u4eba\u548c\u4f01\u4e1a\u800c\u8a00\uff0cVPN \u63d0\u4f9b\u4e86\u9488\u5bf9 DoS \u548c DDoS \u653b\u51fb\u7684\u91cd\u8981\u9632\u5fa1\u5c42\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-famous-ddos-attacks-that-took-place\"><strong>\u53d1\u751f\u8fc7\u7684\u8457\u540d DDoS \u653b\u51fb<\/strong><\/h2>\n\n\n\n<p><strong>\u4e00\u4e9b\u8457\u540d\u7684 DDoS \u653b\u51fb\u5305\u62ec <\/strong><a href=\"https:\/\/coverlink.com\/case-study\/mirai-ddos-attack-on-dyn\/\"><strong>2016 \u5e74 Dyn \u653b\u51fb<\/strong><\/a><strong>\uff0c\u5b83\u6270\u4e71\u4e86\u4e3b\u8981\u7f51\u7ad9\uff0c\u4ee5\u53ca 2018 \u5e74 GitHub \u653b\u51fb\uff0c\u8fd9\u662f\u6709\u8bb0\u5f55\u4ee5\u6765\u6700\u5927\u7684 DDoS \u653b\u51fb\u4e4b\u4e00\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e9b\u653b\u51fb\u7a81\u51fa\u8868\u660e\u9700\u8981\u5f3a\u5927\u7684 DDoS \u7f13\u89e3\u7b56\u7565\uff0c\u4ee5\u786e\u4fdd\u4e1a\u52a1\u8fde\u7eed\u6027\u5e76\u9632\u6b62\u6b64\u7c7b\u7f51\u7edc\u5a01\u80c1\u7684\u4e25\u91cd\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u9632\u8303 DDoS \u653b\u51fb\uff0c\u4fdd\u6301\u8b66\u60d5\u3001\u5b9e\u65bd\u5b89\u5168\u6700\u4f73\u5b9e\u8df5\u5e76\u4e0e\u7f51\u7edc\u5b89\u5168\u4e13\u5bb6\u5408\u4f5c\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions-faqs\"><strong>\u5e38\u89c1\u95ee\u9898 (FAQ)<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-what-are-common-indications-of-a-dos-or-ddos-attack\"><strong>DoS \u6216 DDoS \u653b\u51fb\u7684\u5e38\u89c1\u8ff9\u8c61\u6709\u54ea\u4e9b\uff1f<\/strong><\/h4>\n\n\n\n<p>DoS \u653b\u51fb\u7684\u4e00\u4e9b\u5e38\u89c1\u8ff9\u8c61\u5305\u62ec\u7f51\u7edc\u6027\u80fd\u4f4e\u3001\u8bbf\u95ee\u7f51\u7ad9\u56f0\u96be\u3001\u7f51\u7ad9\u4e0d\u53ef\u7528\u4ee5\u53ca\u65e0\u6cd5\u8bbf\u95ee Web \u670d\u52a1\u3002\u6b64\u5916\uff0c\u5783\u573e\u90ae\u4ef6\u7684\u589e\u52a0\u4e5f\u53ef\u80fd\u88ab\u7528\u6765\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u3002\u6765\u81ea\u591a\u4e2a\u4f4d\u7f6e\u6216 IP \u5730\u5740\u7684\u8bf7\u6c42\u4e2d\u7684\u5f02\u5e38\u6d41\u91cf\u5cf0\u503c\u8868\u660e DoS \u5230 DDoS \u653b\u51fb\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-what-is-a-real-life-example-of-dos\"><strong>DoS \u7684\u771f\u5b9e\u793a\u4f8b\u662f\u4ec0\u4e48\uff1f<\/strong><\/h4>\n\n\n\n<p>A prominent real-life example of a Denial of Service (DoS) attack is the &#8220;Mirai&#8221; botnet attack, which took place in October 2016. This attack targeted Internet of Things (IoT) devices, including IP cameras, routers, and digital video recorders (DVRs).<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-what-is-a-layer-7-attack\"><strong>\u4ec0\u4e48\u662f\u7b2c 7 \u5c42\u653b\u51fb\uff1f<\/strong><\/h4>\n\n\n\n<p>\u5e94\u7528\u5c42 DDoS \u653b\u51fb\uff0c\u4e5f\u79f0\u4e3a\u7b2c 7 \u5c42 (L7) \u653b\u51fb\uff0c\u9488\u5bf9 OSI \u6a21\u578b\u7684\u9876\u5c42\u3002\u5b83\u4e13\u95e8\u9488\u5bf9 HTTP GET \u548c POST \u8bf7\u6c42\u7b49\u4e2d\u65ad\u670d\u52a1\uff0c\u901a\u8fc7\u6076\u610f\u6d41\u91cf\u538b\u5012\u8fd9\u4e9b\u670d\u52a1\u3002\u6b64\u7c7b\u653b\u51fb\u4e3b\u8981\u96c6\u4e2d\u5728 Web \u5e94\u7528\u7a0b\u5e8f\u7ea7\u522b\uff0c\u56e0\u6b64\u96be\u4ee5\u68c0\u6d4b\u548c\u7f13\u89e3\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-final-thoughts\"><strong>\u7ed3\u8bed<\/strong><\/h2>\n\n\n\n<p>\u62d2\u7edd\u670d\u52a1 (DoS) \u548c\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1 (DDoS) \u653b\u51fb\u7684\u9891\u7387\u4e0d\u65ad\u589e\u52a0\uff0c\u51f8\u663e\u4e86\u9700\u8981\u5f3a\u5927\u7684\u7f51\u7edc\u5b89\u5168\u7b56\u7565\u6765\u4fdd\u62a4\u4f01\u4e1a\u53ca\u5176\u6570\u5b57\u8d44\u4ea7\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u9632\u6b62\u8fd9\u4e9b\u7834\u574f\u6027\u7684\u5728\u7ebf\u653b\u51fb\uff0c\u4f01\u4e1a\u5e94\u8be5\u91c7\u7528DDoS\u9632\u5fa1\u89e3\u51b3\u65b9\u6848\uff0c\u5b9e\u65bd\u8bbf\u95ee\u9650\u5236\uff0c\u5b9a\u671f\u66f4\u65b0\u5e94\u7528\u7a0b\u5e8f\uff0c\u76d1\u63a7\u7f51\u7edc\u6570\u636e\u6d41\uff0c\u5e76\u5236\u5b9a\u660e\u786e\u7684\u8ba1\u5212\u6765\u5904\u7406\u7f51\u7edc\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>DoS \u548c DDoS \u653b\u51fb\u662f\u81ed\u540d\u662d\u8457\u7684\u7f51\u7edc\u653b\u51fb\uff0c\u4f1a\u7834\u574f\u7f51\u7edc\u6216\u7cfb\u7edf\u3002DoS \u653b\u51fb\u6d89\u53ca\u5355\u4e2a\u8bbe\u5907\u7528\u8fc7\u591a\u7684\u6d41\u91cf\u538b\u57ae\u76ee\u6807\u3002\u800c DDoS \u653b\u51fb\u5219\u4f7f\u7528\u7531\u50f5\u5c38\u7f51\u7edc\u63a7\u5236\u7684\u591a\u4e2a\u8bbe\u5907\u5411\u76ee\u6807\u53d1\u9001\u5927\u91cf\u6d41\u91cf\uff0c\u4f7f\u5176\u66f4\u96be\u9632\u5fa1\u3002\u867d\u7136\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684\u653b\u51fb [\u2026]<\/p>","protected":false},"author":2,"featured_media":11778,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-11771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security-privacy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.4 (Yoast SEO v26.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Symlex VPN | DoS vs. DDoS Attacks: Differences &amp; Prevention Tips.<\/title>\n<meta name=\"description\" content=\"Learn the key differences between DoS and DDoS attacks, their impacts on systems, and prevention methods to protect your business effectively.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/symlexvpn.com\/zh\/difference-between-dos-and-ddos-attack\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Symlex VPN | DoS vs. DDoS Attacks: Differences &amp; Prevention Tips.\" \/>\n<meta property=\"og:description\" content=\"Learn the key differences between DoS and DDoS attacks, their impacts on systems, and prevention methods to protect your business effectively.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/symlexvpn.com\/zh\/difference-between-dos-and-ddos-attack\/\" \/>\n<meta property=\"og:site_name\" content=\"Symlex VPN\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/symlexvpnadmin\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-18T10:06:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-28T03:59:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/symlexvpn.com\/wp-content\/uploads\/2024\/07\/The-VPN-Glossary-Dos-VS-DDos.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"850\" \/>\n\t<meta property=\"og:image:height\" content=\"446\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Aynun Nipa\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Symlex VPN | DoS vs. DDoS Attacks: Differences &amp; 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