{"id":132001,"date":"2026-07-13T17:12:09","date_gmt":"2026-07-13T09:12:09","guid":{"rendered":"https:\/\/v2catalog.com\/?p=132001"},"modified":"2026-07-13T17:14:22","modified_gmt":"2026-07-13T09:14:22","slug":"a-comprehensive-guide-to-blocking-applications-via-firewall","status":"publish","type":"post","link":"https:\/\/v2catalog.com\/zh\/a-comprehensive-guide-to-blocking-applications-via-firewall\/","title":{"rendered":"A Comprehensive Guide to Blocking Applications via Firewall"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"132001\" class=\"elementor elementor-132001\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-35fe5dd post-content elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35fe5dd\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;cef08c3&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:&quot;1&quot;,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:0,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-409a2e9a\" data-id=\"409a2e9a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5a8be8f elementor-widget elementor-widget-text-editor\" data-id=\"5a8be8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium\" src=\"https:\/\/sb.nordcdn.com\/transform\/cf723ef7-260d-4ace-b13f-dcf5fc755fdc\/how-to-block-a-program-in-firewall?format=webp&amp;quality=80&amp;io=transform%3Afill%2Cwidth%3A1920\" width=\"1062\" height=\"597\" \/><\/p><h3>The Ultimate Guide to Blocking Applications with Your Firewall<\/h3><div class=\"takeaways\"><h3>Key Takeaways<\/h3><ul><li><strong>Traffic Control:<\/strong> Firewalls filter your network traffic by cutting off outbound connections for designated apps, halting unauthorized data leaks, forced updates, and exposure on sketchy networks.<\/li><li><strong>Native Tools:<\/strong> Both macOS and Windows feature robust, built-in firewall settings that allow you to dictate internet access on a strict, app-by-app basis.<\/li><li><strong>Layered Defense:<\/strong> A firewall is just one piece of the puzzle. For optimal security, combine it with a reliable antivirus and a robust password manager like NordPass.<\/li><\/ul><\/div><h2>Why You Should Restrict App Internet Access<\/h2><p>Think of a firewall as the digital border patrol for your computer. Just as border agents verify who is allowed to enter or leave a country\u2014turning away potential threats\u2014a firewall monitors and restricts incoming and outgoing network traffic based on strict security protocols. By cutting off an application&#8217;s internet access, you actively prevent malware, unauthorized data transfers, and other vulnerabilities from compromising your system.<\/p><p>There are several practical reasons to block a program. It can stop software from running unwanted automatic updates that might break compatibility. It can prevent gaming clients from exposing children to unmonitored online interactions. Additionally, a firewall is a highly effective tool for squashing intrusive advertisements in freeware or stopping apps from silently broadcasting your data when you are connected to unencrypted, public Wi-Fi networks.<\/p><hr \/><h2>How to Block Programs in Windows 10 and 11<\/h2><p>Windows Defender Firewall is the most efficient native tool for restricting network access on a PC. Follow these steps to set up an outbound block:<\/p><ol><li>Click the <strong>Start Menu<\/strong> and open the <strong>Control Panel<\/strong>.<\/li><li>Select <strong>Windows Defender Firewall<\/strong>.<\/li><li>On the left-hand navigation pane, click <strong>Advanced settings<\/strong>.<\/li><li>Click on <strong>Outbound Rules<\/strong> in the left column. This is your control center for revoking internet access.<\/li><li>Look to the <strong>Actions<\/strong> panel on the far right and click <strong>New Rule&#8230;<\/strong><\/li><li>Choose <strong>Program<\/strong> as the rule type and click <strong>Next<\/strong>.<\/li><li>Select <strong>This program path:<\/strong> and use the <strong>Browse<\/strong> button to locate the application&#8217;s executable (.exe) file. Click <strong>Next<\/strong>.<\/li><\/ol><div class=\"pro-tip\"><strong>Note:<\/strong> If you know the exact file path, you can type it directly. Common pathways look like this:<br \/><em>C:\\Program Files\\AppFolder\\ApplicationName.exe<\/em><br \/><em>C:\\Program Files (x86)\\AppFolder\\ApplicationName.exe<\/em><\/div><ol start=\"8\"><li>Select <strong>Block the connection<\/strong> and click <strong>Next<\/strong>.<\/li><li>Choose which network profiles this rule applies to (it is usually best to leave <strong>Domain<\/strong>, <strong>Private<\/strong>, and <strong>Public<\/strong> all checked). Click <strong>Next<\/strong>.<\/li><li>Give your new rule a clear, memorable name (like &#8220;Block Update for App X&#8221;). This ensures you can easily find and modify it later.<\/li><li>Click <strong>Finish<\/strong>. Your rule is immediately active!<\/li><\/ol><h3>Temporarily Disabling a Block in Windows<\/h3><p>While Windows Firewall doesn&#8217;t have a specific &#8220;pause&#8221; button, you can easily toggle your custom rules on and off:<\/p><ul><li>Navigate back to <strong>Windows Defender Firewall &gt; Advanced settings &gt; Outbound Rules<\/strong>.<\/li><li>Locate the rule you created, right-click it, and select <strong>Disable Rule<\/strong>.<\/li><li>Whenever you want to re-engage the block, simply right-click it again and choose <strong>Enable Rule<\/strong>.<\/li><\/ul><h3>Allowing Apps Through the Firewall (Whitelisting)<\/h3><p>Sometimes, a firewall might be too aggressive and block an app you actually need to use online. To grant specific access (whitelisting):<\/p><ol><li>Open the <strong>Start Menu<\/strong>, type &#8220;firewall,&#8221; and select <strong>Windows Defender Firewall<\/strong>.<\/li><li>Click <strong>Allow an app or feature through Windows Defender Firewall<\/strong> on the left side.<\/li><li>Click the <strong>Change settings<\/strong> button (requires admin privileges).<\/li><li>Find your app in the list and check the boxes for <strong>Private<\/strong> or <strong>Public<\/strong> networks. <em>(Caution: Enabling an app on Public networks is risky if it handles sensitive data, as public Wi-Fi is a prime hunting ground for cybercriminals.)<\/em><\/li><\/ol><h3>Alternative Blocking Methods for Windows<\/h3><p>If you need to kill internet access entirely in a pinch, simply toggle <strong>Airplane Mode<\/strong> from your Windows Action Center. Alternatively, if the native Windows interface feels too clunky, the market is full of reputable, third-party firewall applications that offer more intuitive dashboards and advanced feature sets.<\/p><hr \/><h2>How to Restrict Network Access on a Mac<\/h2><p>Apple users also have granular control over their network traffic. Here is how to configure application access using the macOS built-in firewall:<\/p><ol><li>Click the <strong>Apple Logo<\/strong> in the top-left corner and open <strong>System Settings<\/strong> (or <em>System Preferences<\/em> on older macOS builds).<\/li><li>Navigate to <strong>Network<\/strong> (or <em>Security &amp; Privacy<\/em>, depending on your OS version).<\/li><li>Select <strong>Firewall<\/strong>.<\/li><li>Toggle the switch to turn the Firewall <strong>On<\/strong>.<\/li><li>Click the <strong>Options&#8230;<\/strong> button to manage specific permissions. Here, you will see a list of software and their current access status.<\/li><li>Click the <strong>+ (Plus)<\/strong> icon to browse your Applications folder.<\/li><li>Select the app you wish to restrict and click <strong>Add<\/strong>.<\/li><li>Next to the newly added app, toggle the setting to <strong>Block incoming connections<\/strong>.<\/li><\/ol><div class=\"pro-tip\"><strong>Important:<\/strong> Severing an app&#8217;s network connection can cripple its primary features or disrupt other integrated software that relies on it. Block carefully!<\/div><hr \/><h2>Taking Your Cybersecurity to the Next Level<\/h2><p>Total isolation isn&#8217;t practical\u2014most modern software requires the internet to function. Therefore, relying strictly on a firewall isn&#8217;t enough; you need a multi-layered security strategy to safely navigate the web.<\/p><p>A high-quality antivirus is your first line of defense against malicious software slipping onto your hard drive. But just as importantly, you need to secure your credentials. This is where a premier password manager like <strong>NordPass<\/strong> becomes invaluable.<\/p><p>NordPass acts as an impenetrable, encrypted vault for your passwords, passkeys, and credit card information. Even if a bad actor manages to breach your local device, your most sensitive data remains locked away. Furthermore, NordPass elevates your defense with tools like a built-in strong password generator, multi-factor authentication (MFA) support, secure credential sharing, and an active Data Breach Scanner that alerts you the moment your information appears on the dark web.<\/p><p>While a firewall dictates how your apps talk to the internet, tools like NordPass ensure that your personal identity remains protected no matter what networks you connect to.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2004c86 elementor-widget elementor-widget-shortcode\" data-id=\"2004c86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"page\" data-elementor-id=\"79029\" class=\"elementor elementor-79029\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5efd6a56 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"5efd6a56\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;_id&quot;:&quot;c4f773e&quot;,&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:&quot;1&quot;,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:0,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3a870116\" data-id=\"3a870116\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-adf0d98 elementor-widget elementor-widget-image-box\" data-id=\"adf0d98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">About NordPass<\/h3><p class=\"elementor-image-box-description\">\nNordPass is developed by Nord Security, a company leading the global market of cybersecurity products.\n<br><br>\nThe web has become a chaotic space where safety and trust have been compromised by cybercrime and data protection issues. Therefore, our team has a global mission to shape a more trusted and peaceful online future for people everywhere.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n\t\t<div data-elementor-type=\"page\" data-elementor-id=\"79146\" class=\"elementor elementor-79146\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-30285eea elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"30285eea\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;_id&quot;:&quot;58112d0&quot;,&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:&quot;1&quot;,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:0,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61400ed1\" data-id=\"61400ed1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9b6d677 elementor-widget elementor-widget-image-box\" data-id=\"9b6d677\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">About Version 2<\/h3><p class=\"elementor-image-box-description\">\nVersion 2 Digital is one of the most dynamic IT companies in Asia. The company distributes a wide range of IT products across various areas including cyber security, cloud, data protection, end points, infrastructures, system monitoring, storage, networking, business productivity and communication products.\n<br>\nThrough an extensive network of channels, point of sales, resellers, and partnership companies, Version 2 offers quality products and services which are highly acclaimed in the market. Its customers cover a wide spectrum which include Global 1000 enterprises, regional listed companies, different vertical industries, public utilities, Government, a vast number of successful SMEs, and consumers in various Asian cities.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The Ultimate Guide to Blocking Applications with Your Firewall Key Takeaways Traffic Control: Firewalls filter your network traffic by cutting off outbound connections for designated apps, halting unauthorized data leaks, forced updates, and exposure on sketchy networks. Native Tools: Both macOS and Windows feature robust, built-in firewall settings that allow you to dictate internet access [&hellip;]<\/p>\n","protected":false},"author":148019288,"featured_media":93466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[1932,1761,1468,1466,1376],"tags":[1933,1467,1469],"class_list":["post-132001","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1932","category-en","category-nord-security","category-nordpass","category-press-release","tag-1933","tag-nord-security","tag-nordpass"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Comprehensive Guide to Blocking Applications via Firewall - V2Catalog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/\" \/>\n<meta property=\"og:locale\" content=\"zh_HK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Comprehensive Guide to Blocking Applications via Firewall - V2Catalog\" \/>\n<meta property=\"og:description\" content=\"The Ultimate Guide to Blocking Applications with Your Firewall Key Takeaways Traffic Control: Firewalls filter your network traffic by cutting off outbound connections for designated apps, halting unauthorized data leaks, forced updates, and exposure on sketchy networks. Native Tools: Both macOS and Windows feature robust, built-in firewall settings that allow you to dictate internet access [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/\" \/>\n<meta property=\"og:site_name\" content=\"V2Catalog\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-13T09:12:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-13T09:14:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/v2catalog.com\/wp-content\/uploads\/2024\/10\/left-NordPass.png\" \/>\n\t<meta property=\"og:image:width\" content=\"657\" \/>\n\t<meta property=\"og:image:height\" content=\"214\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"tracylamv2\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"tracylamv2\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9810\u8a08\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/v2catalog.com\\\/a-comprehensive-guide-to-blocking-applications-via-firewall\\\/\"},\"author\":{\"name\":\"tracylamv2\",\"@id\":\"https:\\\/\\\/v2catalog.com\\\/#\\\/schema\\\/person\\\/949d980888460b8203c48a6e6c719cca\"},\"headline\":\"A Comprehensive Guide to Blocking Applications via Firewall\",\"datePublished\":\"2026-07-13T09:12:09+00:00\",\"dateModified\":\"2026-07-13T09:14:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/v2catalog.com\\\/a-comprehensive-guide-to-blocking-applications-via-firewall\\\/\"},\"wordCount\":977,\"image\":{\"@id\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/v2catalog.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/left-NordPass.png\",\"keywords\":[\"2026\",\"Nord Security\",\"NordPass\"],\"articleSection\":[\"2026\",\"Eng\",\"Nord Security\",\"NordPass\",\"Press Release\"],\"inLanguage\":\"zh-HK\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/v2catalog.com\\\/a-comprehensive-guide-to-blocking-applications-via-firewall\\\/\",\"url\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/\",\"name\":\"A Comprehensive Guide to Blocking Applications via Firewall - V2Catalog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/v2catalog.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/v2catalog.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/left-NordPass.png\",\"datePublished\":\"2026-07-13T09:12:09+00:00\",\"dateModified\":\"2026-07-13T09:14:22+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/v2catalog.com\\\/#\\\/schema\\\/person\\\/949d980888460b8203c48a6e6c719cca\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/#breadcrumb\"},\"inLanguage\":\"zh-HK\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-HK\",\"@id\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/#primaryimage\",\"url\":\"https:\\\/\\\/v2catalog.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/left-NordPass.png\",\"contentUrl\":\"https:\\\/\\\/v2catalog.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/left-NordPass.png\",\"width\":657,\"height\":214},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/nordpass.com\\\/blog\\\/how-to-block-program-in-firewall\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/v2catalog.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A Comprehensive Guide to Blocking Applications via Firewall\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/v2catalog.com\\\/#website\",\"url\":\"https:\\\/\\\/v2catalog.com\\\/\",\"name\":\"V2Catalog\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/v2catalog.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-HK\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/v2catalog.com\\\/#\\\/schema\\\/person\\\/949d980888460b8203c48a6e6c719cca\",\"name\":\"tracylamv2\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-HK\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9d01d79cbfd8b2e878f5d701a362cc9fca466d33fec977b59706c23c1a2db15c?s=96&d=identicon&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9d01d79cbfd8b2e878f5d701a362cc9fca466d33fec977b59706c23c1a2db15c?s=96&d=identicon&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9d01d79cbfd8b2e878f5d701a362cc9fca466d33fec977b59706c23c1a2db15c?s=96&d=identicon&r=g\",\"caption\":\"tracylamv2\"},\"url\":\"https:\\\/\\\/v2catalog.com\\\/zh\\\/author\\\/tracylamv2\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"A Comprehensive Guide to Blocking Applications via Firewall - V2Catalog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/","og_locale":"zh_HK","og_type":"article","og_title":"A Comprehensive Guide to Blocking Applications via Firewall - V2Catalog","og_description":"The Ultimate Guide to Blocking Applications with Your Firewall Key Takeaways Traffic Control: Firewalls filter your network traffic by cutting off outbound connections for designated apps, halting unauthorized data leaks, forced updates, and exposure on sketchy networks. Native Tools: Both macOS and Windows feature robust, built-in firewall settings that allow you to dictate internet access [&hellip;]","og_url":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/","og_site_name":"V2Catalog","article_published_time":"2026-07-13T09:12:09+00:00","article_modified_time":"2026-07-13T09:14:22+00:00","og_image":[{"width":657,"height":214,"url":"https:\/\/v2catalog.com\/wp-content\/uploads\/2024\/10\/left-NordPass.png","type":"image\/png"}],"author":"tracylamv2","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"tracylamv2","\u9810\u8a08\u95b1\u8b80\u6642\u9593":"6 \u5206\u9418"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/#article","isPartOf":{"@id":"https:\/\/v2catalog.com\/a-comprehensive-guide-to-blocking-applications-via-firewall\/"},"author":{"name":"tracylamv2","@id":"https:\/\/v2catalog.com\/#\/schema\/person\/949d980888460b8203c48a6e6c719cca"},"headline":"A Comprehensive Guide to Blocking Applications via Firewall","datePublished":"2026-07-13T09:12:09+00:00","dateModified":"2026-07-13T09:14:22+00:00","mainEntityOfPage":{"@id":"https:\/\/v2catalog.com\/a-comprehensive-guide-to-blocking-applications-via-firewall\/"},"wordCount":977,"image":{"@id":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/#primaryimage"},"thumbnailUrl":"https:\/\/v2catalog.com\/wp-content\/uploads\/2024\/10\/left-NordPass.png","keywords":["2026","Nord Security","NordPass"],"articleSection":["2026","Eng","Nord Security","NordPass","Press Release"],"inLanguage":"zh-HK"},{"@type":"WebPage","@id":"https:\/\/v2catalog.com\/a-comprehensive-guide-to-blocking-applications-via-firewall\/","url":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/","name":"A Comprehensive Guide to Blocking Applications via Firewall - V2Catalog","isPartOf":{"@id":"https:\/\/v2catalog.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/#primaryimage"},"image":{"@id":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/#primaryimage"},"thumbnailUrl":"https:\/\/v2catalog.com\/wp-content\/uploads\/2024\/10\/left-NordPass.png","datePublished":"2026-07-13T09:12:09+00:00","dateModified":"2026-07-13T09:14:22+00:00","author":{"@id":"https:\/\/v2catalog.com\/#\/schema\/person\/949d980888460b8203c48a6e6c719cca"},"breadcrumb":{"@id":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/#breadcrumb"},"inLanguage":"zh-HK","potentialAction":[{"@type":"ReadAction","target":["https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/"]}]},{"@type":"ImageObject","inLanguage":"zh-HK","@id":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/#primaryimage","url":"https:\/\/v2catalog.com\/wp-content\/uploads\/2024\/10\/left-NordPass.png","contentUrl":"https:\/\/v2catalog.com\/wp-content\/uploads\/2024\/10\/left-NordPass.png","width":657,"height":214},{"@type":"BreadcrumbList","@id":"https:\/\/nordpass.com\/blog\/how-to-block-program-in-firewall\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/v2catalog.com\/"},{"@type":"ListItem","position":2,"name":"A Comprehensive Guide to Blocking Applications via Firewall"}]},{"@type":"WebSite","@id":"https:\/\/v2catalog.com\/#website","url":"https:\/\/v2catalog.com\/","name":"V2Catalog","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/v2catalog.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-HK"},{"@type":"Person","@id":"https:\/\/v2catalog.com\/#\/schema\/person\/949d980888460b8203c48a6e6c719cca","name":"tracylamv2","image":{"@type":"ImageObject","inLanguage":"zh-HK","@id":"https:\/\/secure.gravatar.com\/avatar\/9d01d79cbfd8b2e878f5d701a362cc9fca466d33fec977b59706c23c1a2db15c?s=96&d=identicon&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9d01d79cbfd8b2e878f5d701a362cc9fca466d33fec977b59706c23c1a2db15c?s=96&d=identicon&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/9d01d79cbfd8b2e878f5d701a362cc9fca466d33fec977b59706c23c1a2db15c?s=96&d=identicon&r=g","caption":"tracylamv2"},"url":"https:\/\/v2catalog.com\/zh\/author\/tracylamv2\/"}]}},"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/v2catalog.com\/wp-content\/uploads\/2024\/10\/left-NordPass.png","_links":{"self":[{"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/posts\/132001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/users\/148019288"}],"replies":[{"embeddable":true,"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/comments?post=132001"}],"version-history":[{"count":7,"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/posts\/132001\/revisions"}],"predecessor-version":[{"id":132008,"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/posts\/132001\/revisions\/132008"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/media\/93466"}],"wp:attachment":[{"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/media?parent=132001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/categories?post=132001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/v2catalog.com\/zh\/wp-json\/wp\/v2\/tags?post=132001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}