{"id":20789,"date":"2025-08-14T08:15:43","date_gmt":"2025-08-14T08:15:43","guid":{"rendered":"https:\/\/www.webhosting.uk.com\/kb\/?p=20789"},"modified":"2026-03-03T11:28:19","modified_gmt":"2026-03-03T11:28:19","slug":"how-to-block-suspicious-ip-addresses-in-whm","status":"publish","type":"post","link":"https:\/\/www.webhosting.uk.com\/kb\/how-to-block-suspicious-ip-addresses-in-whm\/","title":{"rendered":"How to Block Suspicious IP Addresses in WHM"},"content":{"rendered":"<p>This article will help you in blocking suspicious IP addresses in WHM. It helps in protecting your website and server from brute-force attacks, hacking attempts, or unwanted traffic.<\/p>\n<p><strong>Let us follow the guide:<\/strong><\/p>\n<ol>\n<li>Log in to <strong>WHM<\/strong>.<\/li>\n<li>Select the <strong>\u2018Security Center\u2019<\/strong> option and click on the <strong>\u2018<\/strong><strong>Host Access Control\u2019<\/strong>\u00a0sub-option.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176be1ae.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20790\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176be1ae.png\" alt=\"host access control\" width=\"210\" height=\"375\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176be1ae.png 262w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176be1ae-168x300.png 168w\" sizes=\"auto, (max-width: 210px) 100vw, 210px\" \/><\/a><\/li>\n<li>You will be redirected to a new page to add a rule to block the IP:\n<ol>\n<li>\u00a0In the <strong>Port<\/strong> field, enter the port number you want to block (or leave it blank to apply to all).<\/li>\n<li>In the <strong>IP Address\/CIDR<\/strong> field, enter the suspicious IP address.<\/li>\n<li>In the <strong>Protocol<\/strong> dropdown, select the appropriate protocol (TCP, UDP, or ALL).<\/li>\n<li>In the <strong>Action<\/strong> dropdown, choose <strong>REJECT<\/strong> or <strong>DROP<\/strong> to block access.<\/li>\n<li>Click <strong>Add Rule<\/strong>, then click <strong>Save Host Access List<\/strong>.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176e0857.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20791 size-full\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176e0857.png\" alt=\"add rule\" width=\"1617\" height=\"729\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176e0857.png 1617w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176e0857-300x135.png 300w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176e0857-1024x462.png 1024w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176e0857-768x346.png 768w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_176e0857-1536x692.png 1536w\" sizes=\"auto, (max-width: 1617px) 100vw, 1617px\" \/><\/a><\/li>\n<\/ol>\n<\/li>\n<li>Alternatively, you can use cPHulk in WHM, which offers brute-force protection and can automatically block suspicious IP addresses.\n<ol>\n<li>Go to <strong>Security Center&gt; cPHulk Brute Force Protection<\/strong>.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_177014ff.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20792\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_177014ff.png\" alt=\"cPHulk brute\" width=\"210\" height=\"375\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_177014ff.png 262w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_177014ff-168x300.png 168w\" sizes=\"auto, (max-width: 210px) 100vw, 210px\" \/><\/a><\/li>\n<li>Enable cPHulk if it\u2019s not already active using the toggle switch as shown below.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1771aeba.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20793 size-full\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1771aeba.png\" alt=\"cPHulk \" width=\"1161\" height=\"468\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1771aeba.png 1161w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1771aeba-300x121.png 300w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1771aeba-1024x413.png 1024w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1771aeba-768x310.png 768w\" sizes=\"auto, (max-width: 1161px) 100vw, 1161px\" \/><\/a><\/li>\n<li>You will receive a success message.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772406b.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20794\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772406b.png\" alt=\"enabled\" width=\"400\" height=\"71\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772406b.png 555w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772406b-300x54.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/li>\n<li>Add the suspicious IP under the <strong>\u2018Blacklist Management\u2019<\/strong> section and click <strong>\u2018Add\u2019<\/strong>.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772eab5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20795\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772eab5.png\" alt=\"blacklist\" width=\"1050\" height=\"546\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772eab5.png 1413w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772eab5-300x156.png 300w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772eab5-1024x533.png 1024w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2025\/08\/Snag_1772eab5-768x399.png 768w\" sizes=\"auto, (max-width: 1050px) 100vw, 1050px\" \/><\/a><\/li>\n<\/ol>\n<\/li>\n<li>Some important tips for identifying suspicious IPs:\n<ol>\n<li>Check server logs for repeated failed login attempts.<\/li>\n<li>Use security plugins\/tools to monitor traffic.<\/li>\n<li>Track unusual spikes in server resource usage.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>We hope you relished the article, and do not hesitate to contact our support staff if you need any extra assistance. Also, do not forget to check our latest web hosting plans.<\/p>\n<p style=\"text-align: center;\"><em><strong>Want to secure your WordPress site too? Learn <a href=\"https:\/\/www.webhosting.uk.com\/kb\/how-to-block-ip-address-in-wordpress-manually\/\">How to block IP address in WordPress manually<\/a><\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This article will help you in blocking suspicious IP addresses in WHM. It helps in protecting your website and server from brute-force attacks, hacking attempts, or unwanted traffic. 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It helps in protecting your website and server from brute-force attacks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.webhosting.uk.com\/kb\/how-to-block-suspicious-ip-addresses-in-whm\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Block Suspicious IP Addresses in WHM Safely\" \/>\n<meta property=\"og:description\" content=\"Learn how to block suspicious IP addresses in WHM. 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