{"id":1190628,"date":"2023-10-10T12:00:00","date_gmt":"2023-10-10T16:00:00","guid":{"rendered":"https:\/\/www.prime-wow.com\/?p=1190628"},"modified":"2023-10-10T12:00:00","modified_gmt":"2023-10-10T16:00:00","slug":"http-2-zero-day-exploited-to-launch-largest-ddos-attacks-in-history","status":"publish","type":"post","link":"https:\/\/www.prime-wow.com\/?p=1190628","title":{"rendered":"HTTP\/2 Zero-Day Exploited To Launch Largest DDoS Attacks In History"},"content":{"rendered":"<p>wiredmikey writes: A zero-day vulnerability named &#8216;HTTP\/2 Rapid Reset&#8217; has been exploited by malicious actors to launch the largest distributed denial-of-service (DDoS) attacks in internet history. One of the attacks seen by Cloudflare was three times larger than the record-breaking 71 million requests per second (RPS) attack reported by company in February. Specifically, the HTTP\/2 Rapid Reset DDoS campaign peaked at 201 million RPS, while Google&#8217;s observed a DDoS attack that peaked at 398 million RPS. The new attack method abuses an HTTP\/2 feature called &#8216;stream cancellation&#8217;, by repeatedly sending a request and immediately canceling it.<\/p>\n<p \/>\n<div class=\"share_submission\" style=\"position:relative\">\n<a class=\"slashpop\" href=\"http:\/\/twitter.com\/home?status=HTTP%2F2+Zero-Day+Exploited+To+Launch+Largest+DDoS+Attacks+In+History%3A+https%3A%2F%2Ftech.slashdot.org%2Fstory%2F23%2F10%2F10%2F1550210%2F%3Futm_source%3Dtwitter%26utm_medium%3Dtwitter\"><img decoding=\"async\" src=\"https:\/\/www.prime-wow.com\/wp-content\/uploads\/2023\/10\/twitter_icon_large-353.png\" \/><\/a><br \/>\n<a class=\"slashpop\" href=\"http:\/\/www.facebook.com\/sharer.php?u=https%3A%2F%2Ftech.slashdot.org%2Fstory%2F23%2F10%2F10%2F1550210%2Fhttp2-zero-day-exploited-to-launch-largest-ddos-attacks-in-history%3Futm_source%3Dslashdot%26utm_medium%3Dfacebook\"><img decoding=\"async\" src=\"https:\/\/www.prime-wow.com\/wp-content\/uploads\/2023\/10\/facebook_icon_large-177.png\" \/><\/a><\/p>\n<\/div>\n<p><a href=\"https:\/\/tech.slashdot.org\/story\/23\/10\/10\/1550210\/http2-zero-day-exploited-to-launch-largest-ddos-attacks-in-history?utm_source=rss1.0moreanon&amp;utm_medium=feed\">Read more of this story<\/a> at Slashdot.<\/p>\n<p>&#013;<br \/>\n&#013;<br \/>\nSource: Slashdot &#8211; <a href=\"https:\/\/tech.slashdot.org\/story\/23\/10\/10\/1550210\/http2-zero-day-exploited-to-launch-largest-ddos-attacks-in-history?utm_source=rss1.0mainlinkanon&amp;utm_medium=feed\" target=\"_blank\" rel=\"noopener\">HTTP\/2 Zero-Day Exploited To Launch Largest DDoS Attacks In History<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>wiredmikey writes: A zero-day vulnerability named &#8216;HTTP\/2 Rapid Reset&#8217; has been exploited by malicious actors to launch the largest distributed denial-of-service (DDoS) attacks in internet history. One of the attacks seen by Cloudflare was three times larger than the record-breaking &hellip; <a href=\"https:\/\/www.prime-wow.com\/?p=1190628\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":1190629,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101,110],"tags":[100],"class_list":["post-1190628","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-slashdot","category-unfiltered-rss","tag-slashdot"],"_links":{"self":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1190628","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1190628"}],"version-history":[{"count":0,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1190628\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/media\/1190629"}],"wp:attachment":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1190628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1190628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1190628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}