{"id":1636,"date":"2024-04-17T20:03:24","date_gmt":"2024-04-18T00:03:24","guid":{"rendered":"https:\/\/www.rfdm.com\/blog\/?p=1636"},"modified":"2024-04-17T20:03:24","modified_gmt":"2024-04-18T00:03:24","slug":"unacknowledged-syns-by-country-april-16-2024","status":"publish","type":"post","link":"https:\/\/www.rfdm.com\/blog\/?p=1636","title":{"rendered":"Unacknowledged SYNs by country, April 16 2024"},"content":{"rendered":"\n<canvas id=\"synChart20240416\" style=\"max-height:100%;height:1080;width:100%;display:flex;flex-flow:column;\"><\/canvas>\n\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chart.js\"><\/script>\n\n<script>\n\nnew Chart(document.getElementById('synChart20240416'),\n{type:'bar',data:{labels: ['US','NL','GB','RU','CN','DE','HK','CY','SG','VN','PL','FR','BS','BG','CA','CZ','KR','IN','PT','SE','RO','JP','IE','ID','LT'],datasets:[{label:'Unacknowledged SYNs by country',data:[14677,1090,1033,989,680,475,470,313,280,250,249,150,98,62,58,54,52,50,42,37,35,25,22,20,18],borderWidth:1,backgroundColor:\"rgba(255,160,0,0.7)\"}]},options:{plugins:{legend:{labels:{color:\"white\"}},title:{color:'white',display:true,font:{size:14},text:'Apr 16, 2024 03:50 - Apr 16, 2024 16:00'}},scales:{x:{ticks:{autoSkip:false,color:'white'},title:{text:'country code',color:'white',display:true}},y:{ticks:{color:'white'},title:{text:'Unacknowledged SYNs',color:'white',display:true}}},y:{beginAtZero:true}}});\n<\/script>\n\n\n\n<p class=\"wp-block-paragraph\">To anyone who thinks that things haven&#8217;t become considerably worse here in the U.S. with respect to cloud computing&#8230; this chart shows a partial day of unacknowledged TCP SYNs sent to my gateway from the public Internet, for the top 25 countries.  U.S. infrastructure is the worst offender by a decimal order of magnitude versus the 2nd place offender.  Most of the TCP SYNs are directed at ports 80, 443 and 22.  They&#8217;re unacknowledged because I&#8217;m blocking access from many of our cloud and hosting providers.  Why?  Because nearly all (more than 99.99%) of the traffic I see from them is nefarious (attempted logins, probing for vulnerabilities, etc.).  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>To anyone who thinks that things haven&#8217;t become considerably worse here in the U.S. with respect to cloud computing&#8230; this chart shows a partial day of unacknowledged TCP SYNs sent to my gateway from the public Internet, for the top 25 countries. U.S. infrastructure is the worst offender by a decimal order of magnitude versus &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.rfdm.com\/blog\/?p=1636\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Unacknowledged SYNs by country, April 16 2024&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93,85,86],"tags":[],"class_list":["post-1636","post","type-post","status-publish","format-standard","hentry","category-cloud","category-network-security","category-networks"],"_links":{"self":[{"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1636"}],"version-history":[{"count":15,"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1636\/revisions"}],"predecessor-version":[{"id":1651,"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1636\/revisions\/1651"}],"wp:attachment":[{"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rfdm.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}