{"id":731,"date":"2019-11-15T03:16:47","date_gmt":"2019-11-15T03:16:47","guid":{"rendered":"http:\/\/blog.hostinger.io\/hostinger-tutorials\/uncategorized\/how-to-fix-421-too-many-connections-from-this-ip\/"},"modified":"2023-01-04T08:22:05","modified_gmt":"2023-01-04T08:22:05","slug":"how-to-fix-421-too-many-connections-from-this-ip","status":"publish","type":"post","link":"\/ph\/tutorials\/how-to-fix-421-too-many-connections-from-this-ip","title":{"rendered":"How to Fix Error 421 Too Many Connections (8) from This IP Error in FileZilla"},"content":{"rendered":"<p>In this tutorial, you&rsquo;ll learn how to quickly fix <strong>421 too many connections (8) from this IP<\/strong> error using FileZilla FTP client and cPanel.<\/p><figure tabindex=\"0\" class=\"wp-block-table\"><table><tbody><tr><td><strong>Error code<\/strong><\/td><td>421 Too Many Connections<\/td><\/tr><tr><td><strong>Error type<\/strong><\/td><td>FTP<\/td><\/tr><tr><td><strong>Error variations<\/strong><\/td><td>421 Too Many Connections (8) from This IP<br>421 Service Not Available Remote Server Has Closed Connection<\/td><\/tr><tr><td><strong>Error causes<\/strong><\/td><td>Low limit of maximum connections<br>Too many active connections to one FTP account<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/assets.hostinger.com\/content\/tutorials\/pdf\/How-to-Speed-Up-Your-Website-EN.pdf\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"2048\" height=\"566\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/2\/2022\/11\/eBook-Speed-Up-your-website.png\/w=1024,h=1024,fit=scale-down\" alt=\"\" class=\"wp-image-69260\" srcset=\"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2022\/11\/eBook-Speed-Up-your-website.png 2048w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2022\/11\/eBook-Speed-Up-your-website-300x83.png 300w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2022\/11\/eBook-Speed-Up-your-website-1536x425.png 1024w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2022\/11\/eBook-Speed-Up-your-website-150x41.png 150w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2022\/11\/eBook-Speed-Up-your-website-768x212.png 768w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/a><\/figure><p>\n\n\n\n\n\n\n<\/p><h2 class=\"wp-block-heading\" id=\"h-how-to-fix-421-too-many-connections-8-from-this-ip-error\">How to Fix 421 Too Many Connections (8) from This IP Error?<\/h2><p><strong>421 too many connections (8) from this IP<\/strong> error mainly occurs when you open a new FTP connection without closing non-active (idle) ones.<\/p><p>If you&rsquo;re using shared hosting, this error may also happen because your hosting provider limits simultaneous FTP connections to prevent server overload.<\/p><p>Now that you know the causes of this error let&rsquo;s learn how to fix it.<\/p><h3 class=\"wp-block-heading\" id=\"h-step-1-fixing-421-too-many-connections-8-from-this-ip-error-in-filezilla\">Step 1. Fixing 421 Too Many Connections (8) from This IP Error in FileZilla<\/h3><p>First of all, limit simultaneous connections in your FTP client configuration. Here&rsquo;s how:<\/p><ol class=\"wp-block-list\">\n<li>Launch <a href=\"https:\/\/filezilla-project.org\/\" target=\"_blank\" rel=\"noopener\">FileZilla<\/a> and click <strong>File <\/strong>-&gt; <strong>Site Manager<\/strong>.<\/li>\n\n\n\n<li>Under the <strong>Select Entry<\/strong> section, choose your site, then tap the <strong>Transfer Settings<\/strong> tab.<\/li>\n\n\n\n<li>Tick the <strong>Limit number of simultaneous connections<\/strong> box and fill out the <strong>Maximum number of connections<\/strong> field with your preferred amount of connections.<img decoding=\"async\" width=\"934\" height=\"593\" class=\"aligncenter wp-image-22464 size-full\" src=\"\/tutorials\/wp-content\/uploads\/sites\/2\/2016\/12\/fix-421-too-many-connections-8-from-this-ip-error-in-filezilla.png\" alt=\"Fixing 421 Too Many Connections (8) from This IP Error in FileZilla\" srcset=\"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/fix-421-too-many-connections-8-from-this-ip-error-in-filezilla.png 934w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/fix-421-too-many-connections-8-from-this-ip-error-in-filezilla-150x95.png 150w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/fix-421-too-many-connections-8-from-this-ip-error-in-filezilla-300x190.png 300w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/fix-421-too-many-connections-8-from-this-ip-error-in-filezilla-768x488.png 768w\" sizes=\"(max-width: 934px) 100vw, 934px\" \/><\/li>\n\n\n\n<li>Click <strong>OK<\/strong> to save the settings.<\/li>\n\n\n\n<li>Reconnect and see if FTP error 421 is gone.<\/li>\n<\/ol><p>\n\n\n        <div class=\"protip\">\n            <div class=\"protip__heading\">\n                <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path d=\"M1.49234 23.5024C1.23229 23.5024 0.972242 23.4024 0.782206 23.2123C0.562165 22.9923 0.452144 22.6822 0.502153 22.3722C0.562165 21.9221 1.14227 17.9113 3.00262 16.351C3.63274 15.8209 4.43289 15.5509 5.26305 15.5609C6.09321 15.5909 6.87335 15.9109 7.47347 16.4911C8.6937 17.6913 8.76371 19.6717 7.6435 20.9919C6.0832 22.8523 2.08245 23.4324 1.63237 23.4924C1.59236 23.4924 1.54235 23.4924 1.50234 23.4924L1.49234 23.5024ZM5.16303 17.5613C4.84297 17.5613 4.53291 17.6713 4.29287 17.8813C3.60274 18.4614 3.07264 19.9317 2.75258 21.242C4.06282 20.9219 5.5331 20.3918 6.11321 19.7017C6.55329 19.1716 6.54329 18.3814 6.0832 17.9213C5.85316 17.7013 5.5431 17.5713 5.20304 17.5613C5.19304 17.5613 5.17303 17.5613 5.16303 17.5613ZM11.7243 21.8821C11.4942 21.8821 11.2642 21.8021 11.0841 21.652C10.8541 21.462 10.7241 21.1819 10.7241 20.8819V15.9109L8.08358 13.2705H3.11264C2.81259 13.2705 2.53254 13.1404 2.3425 12.9104C2.15246 12.6803 2.07245 12.3803 2.12246 12.0902C2.19247 11.7102 2.84259 8.36953 4.70294 7.12929C6.33325 6.04909 8.96375 6.49918 10.244 6.80923C11.5442 4.96889 13.2546 3.4286 15.2349 2.33839C17.4553 1.11816 19.9858 0.518051 22.4963 0.498047C23.0464 0.498047 23.4865 0.948132 23.4865 1.49824C23.4865 5.0389 22.3763 9.97983 17.1753 13.7605C17.4853 15.0408 17.9354 17.6613 16.8552 19.2816C15.615 21.1419 12.2744 21.7921 11.8943 21.8621C11.8343 21.8721 11.7743 21.8821 11.7143 21.8821H11.7243ZM12.7245 16.181V19.6016C13.7146 19.2916 14.7948 18.7915 15.2049 18.1814C15.675 17.4812 15.605 16.091 15.385 14.9008C14.5248 15.3808 13.6346 15.8109 12.7245 16.181ZM9.66388 12.0302L11.9643 14.3307C13.1845 13.8306 14.3648 13.2204 15.485 12.5103C19.9358 9.51974 21.2361 5.60901 21.4561 2.53843C19.6157 2.67846 17.8254 3.20856 16.2051 4.09872C14.2847 5.14892 12.6544 6.68921 11.4942 8.54956C10.7841 9.65977 10.174 10.82 9.66388 12.0302ZM4.39289 11.2701H7.81353C8.1936 10.3599 8.63368 9.46974 9.11377 8.60957C7.92355 8.38953 6.51329 8.31952 5.81315 8.78961C5.19304 9.19968 4.70294 10.3099 4.39289 11.2701Z\" fill=\"#673DE6\"\/>\n                <\/svg>\n                <p class=\"protip__title\">\n                    Pro Tip                <\/p>\n            <\/div>\n            <p class=\"protip__content\"> The number of connections may vary depending on your hosting provider. If you&rsquo;re not sure how many simultaneous connections are allowed, then type &ldquo;8&rdquo;. You may also contact your hosting customer support on this matter. <\/p>\n                    <\/div>\n        \n\n\n\n<\/p><h3 class=\"wp-block-heading\" id=\"h-step-2-flushing-dropping-non-active-connections-in-cpanel-optional\">Step 2 &ndash; Flushing (Dropping) Non-Active Connections in cPanel (Optional)<\/h3><p>If you&rsquo;re using cPanel, you can easily drop non-active FTP connections to resolve 421 too many connections from this IP error:<\/p><ol class=\"wp-block-list\">\n<li>Access your <strong>cPanel <\/strong>-&gt; <strong>Files<\/strong> -&gt; <strong>FTP Connections<\/strong>.<\/li>\n\n\n\n<li>You&rsquo;ll see all FTP connections in the <strong>Current Connections<\/strong> section. Press the <strong>Reload<\/strong> button if you don&rsquo;t see any.<img decoding=\"async\" width=\"1295\" height=\"429\" class=\"aligncenter size-full wp-image-22465\" src=\"\/tutorials\/wp-content\/uploads\/sites\/2\/2016\/12\/dropping-non-active-connections-in-cpanel.png\" alt=\"Dropping Non-Active Connections in cPanel\" srcset=\"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/dropping-non-active-connections-in-cpanel.png 1295w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/dropping-non-active-connections-in-cpanel-150x50.png 150w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/dropping-non-active-connections-in-cpanel-300x99.png 300w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/dropping-non-active-connections-in-cpanel-768x254.png 768w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2016\/12\/dropping-non-active-connections-in-cpanel-1024x339.png 1024w\" sizes=\"(max-width: 1295px) 100vw, 1295px\" \/><\/li>\n\n\n\n<li>Under the <strong>Actions<\/strong> column, click <strong>Disconnect <\/strong>next to the idle connection you want to close.<\/li>\n\n\n\n<li>Then, press the <strong>Disconnect<\/strong> button again to drop the FTP connection.<\/li>\n\n\n\n<li>Reconnect and check if FTP 421 response has disappeared.<\/li>\n<\/ol><p>\n\n\n<div class=\"protip\"><div class=\"protip__heading\">\n                <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path d=\"M1.49234 23.5024C1.23229 23.5024 0.972242 23.4024 0.782206 23.2123C0.562165 22.9923 0.452144 22.6822 0.502153 22.3722C0.562165 21.9221 1.14227 17.9113 3.00262 16.351C3.63274 15.8209 4.43289 15.5509 5.26305 15.5609C6.09321 15.5909 6.87335 15.9109 7.47347 16.4911C8.6937 17.6913 8.76371 19.6717 7.6435 20.9919C6.0832 22.8523 2.08245 23.4324 1.63237 23.4924C1.59236 23.4924 1.54235 23.4924 1.50234 23.4924L1.49234 23.5024ZM5.16303 17.5613C4.84297 17.5613 4.53291 17.6713 4.29287 17.8813C3.60274 18.4614 3.07264 19.9317 2.75258 21.242C4.06282 20.9219 5.5331 20.3918 6.11321 19.7017C6.55329 19.1716 6.54329 18.3814 6.0832 17.9213C5.85316 17.7013 5.5431 17.5713 5.20304 17.5613C5.19304 17.5613 5.17303 17.5613 5.16303 17.5613ZM11.7243 21.8821C11.4942 21.8821 11.2642 21.8021 11.0841 21.652C10.8541 21.462 10.7241 21.1819 10.7241 20.8819V15.9109L8.08358 13.2705H3.11264C2.81259 13.2705 2.53254 13.1404 2.3425 12.9104C2.15246 12.6803 2.07245 12.3803 2.12246 12.0902C2.19247 11.7102 2.84259 8.36953 4.70294 7.12929C6.33325 6.04909 8.96375 6.49918 10.244 6.80923C11.5442 4.96889 13.2546 3.4286 15.2349 2.33839C17.4553 1.11816 19.9858 0.518051 22.4963 0.498047C23.0464 0.498047 23.4865 0.948132 23.4865 1.49824C23.4865 5.0389 22.3763 9.97983 17.1753 13.7605C17.4853 15.0408 17.9354 17.6613 16.8552 19.2816C15.615 21.1419 12.2744 21.7921 11.8943 21.8621C11.8343 21.8721 11.7743 21.8821 11.7143 21.8821H11.7243ZM12.7245 16.181V19.6016C13.7146 19.2916 14.7948 18.7915 15.2049 18.1814C15.675 17.4812 15.605 16.091 15.385 14.9008C14.5248 15.3808 13.6346 15.8109 12.7245 16.181ZM9.66388 12.0302L11.9643 14.3307C13.1845 13.8306 14.3648 13.2204 15.485 12.5103C19.9358 9.51974 21.2361 5.60901 21.4561 2.53843C19.6157 2.67846 17.8254 3.20856 16.2051 4.09872C14.2847 5.14892 12.6544 6.68921 11.4942 8.54956C10.7841 9.65977 10.174 10.82 9.66388 12.0302ZM4.39289 11.2701H7.81353C8.1936 10.3599 8.63368 9.46974 9.11377 8.60957C7.92355 8.38953 6.51329 8.31952 5.81315 8.78961C5.19304 9.19968 4.70294 10.3099 4.39289 11.2701Z\" fill=\"#673DE6\"\/>\n                <\/svg>\n                <p class=\"protip__title\">\n                   Further Reading\n                <\/p>\n            <\/div>\n            <p class=\"protip__content\"><\/p><p><a href=\"\/ph\/tutorials\/how-to-fix-econnrefused-connection-refused-by-server-in-filezilla\/\">How to Fix ECONNREFUSED Error on FileZilla?<\/a><br>\n<a href=\"\/ph\/tutorials\/how-to-check-if-ftp-port-21-is-not-blocked\/\">How to Check if FTP Port 21 Is Not Blocked?<\/a><\/p><p><a href=\"\/ph\/tutorials\/localhost-refused-to-connect-error\/\">How to Solve Localhost Refused to Connect Error?<\/a><br>\n<a href=\"\/ph\/tutorials\/fix-dns_probe_finished_nxdomain\/\">How to Solve DNS_PROBE_FINISHED_NXDOMAIN Error?<\/a><\/p><p><\/p><\/div>\n\n\n\n<\/p><h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2><p>In this tutorial, you&rsquo;ve learned the straightforward steps to fix <strong>421 too many connections (8) from this IP<\/strong> error. You&rsquo;ll only need to set up your FTP client configuration to limit simultaneous connections, then disconnect non-active FTP connections via cPanel.<\/p><p>If you have any further questions, let us know in the comments section below.<\/p><figure class=\"wp-block-image size-full\"><a href=\"\/ph\/web-hosting\"><img decoding=\"async\" width=\"1024\" height=\"300\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/2\/2023\/11\/Web-hosting_in-text-banner.png\/public\" alt=\"Hostinger web hosting banner\" class=\"wp-image-98604\" srcset=\"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2023\/11\/Web-hosting_in-text-banner.png 1024w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2023\/11\/Web-hosting_in-text-banner-300x88.png 300w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2023\/11\/Web-hosting_in-text-banner-150x44.png 150w, https:\/\/www.hostinger.com\/ph\/tutorials\/wp-content\/uploads\/sites\/44\/2023\/11\/Web-hosting_in-text-banner-768x225.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>In this tutorial, you&rsquo;ll learn how to quickly fix 421 too many connections (8) from this IP error using FileZilla FTP client and cPanel. Error code 421 Too Many Connections Error type FTP Error variations 421 Too Many Connections (8) from This IP421 Service Not Available Remote Server Has Closed Connection Error causes Low limit [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"\/ph\/tutorials\/how-to-fix-421-too-many-connections-from-this-ip\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":2,"featured_media":5163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Error 421 Too Many Connections (8) from This IP \u2014 How to Fix It","rank_math_description":"Check out and learn our step-by-step guide to fix 421 Too Many Connections (8) from This IP error using FileZilla and cPanel.","rank_math_focus_keyword":"421 too many connections (8) from this ip","footnotes":""},"categories":[],"tags":[],"class_list":["post-731","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"hreflangs":[],"_links":{"self":[{"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/posts\/731","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/comments?post=731"}],"version-history":[{"count":13,"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/posts\/731\/revisions"}],"predecessor-version":[{"id":74611,"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/posts\/731\/revisions\/74611"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/media\/5163"}],"wp:attachment":[{"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/media?parent=731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/categories?post=731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostinger.com\/ph\/tutorials\/wp-json\/wp\/v2\/tags?post=731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}