{"id":33136,"date":"2023-12-11T07:00:00","date_gmt":"2023-12-11T07:00:00","guid":{"rendered":"https:\/\/www.esecurityplanet.com\/?p=33136"},"modified":"2023-12-08T22:39:53","modified_gmt":"2023-12-08T22:39:53","slug":"firewall-best-practices","status":"publish","type":"post","link":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/","title":{"rendered":"Top 12 Firewall Best Practices to Optimize Network Security"},"content":{"rendered":"\n<p>Firewalls monitor and control incoming and outgoing traffic while also preventing unauthorized access. The consistent implementation of firewall best practices establish a strong defense against cyber attacks to secure sensitive data, protect the integrity and continuity of business activities, and ensure network security measures function optimally.<\/p>\n\n\n\n<p>Organizations can contribute to a secure digital environment by implementing strong firewalls and following these best practices:<\/p>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_68_1 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-66d6d0e8b9a57\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ffffff;color:#ffffff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ffffff;color:#ffffff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-66d6d0e8b9a57\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Know-Your-Firewalls-History-and-Current-Policies\" title=\"Know Your Firewall\u2019s History and Current Policies\">Know Your Firewall\u2019s History and Current Policies<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Employ-a-Firewall-Management-Tool\" title=\"Employ a Firewall Management Tool\">Employ a Firewall Management Tool<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Use-Multiple-Firewall-Layers\" title=\"Use Multiple Firewall Layers\">Use Multiple Firewall Layers<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Update-Rules-Regularly\" title=\"Update Rules Regularly\">Update Rules Regularly<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Follow-Least-Privilege-Principle\" title=\"Follow Least Privilege Principle\">Follow Least Privilege Principle<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Implement-Network-Segmentation\" title=\"Implement Network Segmentation\">Implement Network Segmentation<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Log-and-Monitor-Activity\" title=\"Log and Monitor Activity\">Log and Monitor Activity<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Audit-Firewall-Performance-Regularly\" title=\"Audit Firewall Performance Regularly\">Audit Firewall Performance Regularly<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Automate-Patches-and-Updates\" title=\"Automate Patches and Updates\">Automate Patches and Updates<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Ensure-Reliable-Backups\" title=\"Ensure Reliable Backups\">Ensure Reliable Backups<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Implement-a-Structured-Change-Management-Process\" title=\"Implement a Structured Change Management Process\">Implement a Structured Change Management Process<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Encourage-User-Education-and-Awareness\" title=\"Encourage User Education and Awareness\">Encourage User Education and Awareness<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#Bottom-Line-Optimize-Network-Security-with-Firewall-Best-Practices\" title=\"Bottom Line: Optimize Network Security with Firewall Best Practices\">Bottom Line: Optimize Network Security with Firewall Best Practices<\/a><\/li><\/ul><\/nav><\/div>\n\n<!-- ICP Plugin: Start --><div class=\"icp-list icp-list-main icp-list-body-horizontal row\">\n    \n        <!--\n            ICP Plugin - body horizontal\n            ----------\n            Category: \n            Count: 3\n            Country: HK\n        -->\n    <\/div><!-- ICP Plugin: End -->\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Know-Your-Firewalls-History-and-Current-Policies\"><\/span>Know Your Firewall\u2019s History and Current Policies<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Start by evaluating existing configurations and mapping network architecture to understand your <a href=\"https:\/\/www.esecurityplanet.com\/networks\/network-firewalls\/\">firewall<\/a>&#8216;s history and policies. Examine the rationale behind present rules, considering previous security concerns and revisions. Implement a comprehensive logging system, reviewing and updating rules on a regular basis for relevance. Configurations, network diagrams, and security rules should be documented for future reference and auditing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>This approach protects against conflict with organizational requirements. Without it, outdated or unnecessary regulations could linger, thereby broadening attack surfaces. Overlapping rules may impair firewall efficiency or expose flaws that allow attackers to circumvent regulations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Employ-a-Firewall-Management-Tool\"><\/span>Employ a Firewall Management Tool<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Using a <a href=\"https:\/\/www.esecurityplanet.com\/products\/esecurity-planet-2022-cybersecurity-product-awards\/#firewall\">firewall management solution<\/a> for centralized control enables unified management of several firewalls, resulting in consistent policies and efficient operations. It allows thorough monitoring, auditing, and reporting, which improves security posture. Choose a centralized platform that is interoperable with several firewall suppliers. To simplify policy management, monitoring, and reporting, integrate all firewalls into one tool.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>By ensuring uniform policies across several firewalls, this centralized solution improves overall <a href=\"https:\/\/www.esecurityplanet.com\/networks\/network-security\/\">network security<\/a>. It simplifies operations by lowering the chance of configuration conflicts and misconfigurations or oversights that could affect security. It also allows for centralized tracking of firewall activity, which simplifies threat detection and response.<\/p>\n\n\n\n<p>See more: <a href=\"https:\/\/www.esecurityplanet.com\/products\/esecurity-planet-2022-cybersecurity-product-awards\/#firewall\">eSecurity Planet&#8217;s 2022 Cybersecurity Product Awards<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use-Multiple-Firewall-Layers\"><\/span>Use Multiple Firewall Layers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Configuring different <a href=\"https:\/\/www.esecurityplanet.com\/networks\/types-of-firewalls\/\">firewall types<\/a> to enhance security is necessary while implementing multiple firewall layers. Install perimeter, internal, and application-level firewalls that are tailored to specific hazards in individual networks. Use a firewall administration tool to centralize control. By establishing several defensive barriers, this layered method improves resistance against a variety of cyber threats. Update rules on a regular basis to reduce potential attack surfaces and improve firewall setups for robust protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Multiple layers block various cyber attacks, resulting in a strong security posture. Without this approach, relying on a single firewall may reveal vulnerabilities, making it easier for attackers to exploit network flaws.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Update-Rules-Regularly\"><\/span>Update Rules Regularly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To eliminate vulnerabilities, evaluate the alignment of rules with organizational needs on a regular basis, deleting old or unnecessary items. Keep an eye out for potential rule overlaps that could jeopardize efficiency or present security problems. This ongoing process ensures that firewall policies remain adjusted to new threats and organizational requirements, minimizing attack surfaces and ensuring effective cyber protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Regular updates guarantee that firewall rules remain current. Failure to do so may result in security gaps, exposing networks to emerging threats. If overlapping rules are not addressed, they might reduce the efficiency of the firewall and provide possibilities for attackers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Follow-Least-Privilege-Principle\"><\/span>Follow Least Privilege Principle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>When creating firewall rules, follow the idea of least privilege. This entails limiting access permissions to the absolute minimum required for specific roles or functions. Using <a href=\"https:\/\/www.esecurityplanet.com\/products\/top-ngfw\/\">next-generation firewalls (NGFW)<\/a>, create identity-based controls to ensure users only have access to required resources. Regularly evaluate and update permissions, revoking access for people who no longer need it. This method decreases the danger of illegal access, improves overall security, and aligns firewall setups with the notion of allowing only the least amount of access required for smooth operation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>By restricting access, this strategy mitigates potential damage. Without it, overprivileged users may unwittingly undermine network security, resulting in illegal access or data breaches.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Implement-Network-Segmentation\"><\/span>Implement Network Segmentation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Implementing network <a href=\"https:\/\/www.esecurityplanet.com\/threats\/microsegmentation-zero-trust-security\/\">segmentation<\/a> means isolating various network segments to improve security. Divide the network into different zones to assist with the principle of least privilege and make specific security measures easier to deploy. This method improves control and containment in the event of a breach by isolating affected segments while protecting the rest. Manage inbound and outbound traffic flows carefully to ensure adequate segmentation fits with corporate needs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Network segmentation is a powerful approach for mitigating potential threats and ensuring a safe, well-organized network architecture. In the event of a breach, segmentation improves security by blocking lateral movement. A compromised segment might endanger the entire network, allowing attackers to move freely and access important data.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Log-and-Monitor-Activity\"><\/span>Log and Monitor Activity<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Enable firewall logging and examine logs on a regular basis through capturing and analyzing network activity data. Implement automated alerts for crucial events and keep logs in a secure location that is easily accessible. Analyze logs on a regular basis to discover unusual behaviors, potential risks, and places for improvement. By offering insights into previous traffic, this technique improves threat detection, troubleshooting, and overall security by enabling for educated decision-making and proactive optimization of firewall configurations. For in-depth log data analysis, explore using a <a href=\"https:\/\/www.esecurityplanet.com\/products\/siem-tools\/\">security information and event management (SIEM)<\/a> tool.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Monitoring and logging assist with the early detection of potential dangers. Malicious activity may go undetected if monitoring is neglected, delaying incident response and raising the likelihood of successful cyberattacks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Audit-Firewall-Performance-Regularly\"><\/span>Audit Firewall Performance Regularly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The process of conducting firewall security assessments and penetration tests include carefully reviewing firewall configurations to detect weaknesses. Conduct rigorous security audits, looking for flaws, potential entry points, and adherence to company regulations. Simulate cyberattacks on a regular basis to analyze the firewall&#8217;s resilience and efficacy in detecting and stopping illegal access. This strategy aids in the rapid identification and remediation of vulnerabilities, emphasizing the firewall&#8217;s function as a crucial network security barrier. Preview the results before making modifications to the firewall rules.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Regular audits detect and address weaknesses, hence improving network security. Without this strategy, attackers may exploit unidentified flaws, which could result in potential breaches and data compromises.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automate-Patches-and-Updates\"><\/span>Automate Patches and Updates<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ensure strong <a href=\"https:\/\/www.esecurityplanet.com\/networks\/types-of-network-security\/\">network security<\/a> by automating regular updates of firewall firmware and installing security <a href=\"https:\/\/www.esecurityplanet.com\/applications\/automated-patch-management\/\">patches<\/a> as soon as they become available. Create a systematic strategy for monitoring vendor releases and implementing hardware and software updates.<\/p>\n\n\n\n<p>Automate firewall updates by configuring the firewall to run routine software update checks without operator involvement. Enable automatic updates in the administration interface and schedule security checks accordingly. Prioritize testing updates in a controlled environment to confirm compatibility and backup configurations before deploying. Implement monitoring methods to track update statuses and check release notes on a frequent basis for critical information. Use high-availability configurations for redundancy and conduct frequent evaluations to ensure compliance with security policies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Automated updates are critical for quickly addressing known vulnerabilities. Delay or negligence increases the risk of exploitation, which could result in illegal access or compromise the firewall&#8217;s security capabilities. Automating the upgrading process not only improves network security but also saves managers time, reduces the possibility of human error, and maintains a strong defense against evolving threats.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ensure-Reliable-Backups\"><\/span>Ensure Reliable Backups<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Make safe copies of the most recent configurations while regularly backing up firewall settings. Schedule frequent backups at regular intervals to capture firewall status, guaranteeing minimal data loss in the event of a failure or security compromise. Keep these backups in a secure area apart from the primary system, and test the restoration process on a regular basis to ensure its effectiveness. This method protects against configuration errors, hardware failures, and malicious activity, providing quick recovery and reducing downtime. Regular backups serve as a key backup plan, boosting the firewall&#8217;s dependability and providing continuity in the case of unforeseen occurrences or cyber disasters.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Reliable backups act as a safety net in the event of critical failures or security breaches. Without them, incident recovery may take longer, exposing the network to further risks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Implement-a-Structured-Change-Management-Process\"><\/span>Implement a Structured Change Management Process<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Implementing a change management strategy for firewall rule changes requires a structured process to enable secure and fast modifications. This strategy reduces the danger of illegal or disruptive changes, improves overall firewall performance, and simplifies post-incident analysis and <a href=\"https:\/\/www.esecurityplanet.com\/compliance\/gdpr-solutions\/\">compliance<\/a> adherence. Below are the steps to establish a change management process:&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Outline the necessary adjustments, including objectives and potential risks.<\/li>\n\n\n\n<li>Create a standardized change management workflow for network teams.<\/li>\n\n\n\n<li>Record who made modifications, why they were done, and when they were made to ensure a complete audit trail.<\/li>\n\n\n\n<li>Throughout the change management process, keep security and compliance in mind.<\/li>\n\n\n\n<li>To ensure accountability, conduct thorough audits of adjustments.<\/li>\n\n\n\n<li>Automate the process to ensure a quick and well-documented implementation.<\/li>\n\n\n\n<li>Increase efficiency by centralizing workflows and utilizing intelligent automation.<\/li>\n\n\n\n<li>Use network modeling to identify which firewalls are affected by the change.<\/li>\n\n\n\n<li>Assess threats in the context of the entire network&#8217;s attack surface.<\/li>\n\n\n\n<li>Establish verification, tracking, and reporting procedures to ensure transparency and aid in post-incident analysis.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>A structured change management procedure promotes responsibility while also lowering the possibility of misconfigurations. Ad hoc updates without it may result in security vulnerabilities or errors, jeopardizing the firewall&#8217;s effectiveness.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Encourage-User-Education-and-Awareness\"><\/span>Encourage User Education and Awareness<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Establish continual training programs, workshops, and communication channels to improve user education and raise awareness of potential issues. Employees&#8217; capacity to spot risks is assessed on a regular basis through simulated phishing exercises, which provide constructive feedback. Key messages are reinforced across the workplace through security awareness programs that include interactive learning tools and visual aids. Encourage a reporting culture by offering a clear channel for employees to raise security issues. Provide regular updates on firewall policy, changing threats, and best practices in cybersecurity. Implement a reward system to recognize and motivate proactive contributions to cybersecurity as part of new employee onboarding.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<p>Preventing <a href=\"https:\/\/www.esecurityplanet.com\/threats\/social-engineering-attacks\/\">social engineering<\/a> attacks requires user awareness. Users who are well-informed are less likely to fall prey to <a href=\"https:\/\/www.esecurityplanet.com\/networks\/how-to-prevent-spear-phishing-attacks\/\">phishing<\/a> scams, lowering the risk of unwanted access and data breaches.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bottom-Line-Optimize-Network-Security-with-Firewall-Best-Practices\"><\/span>Bottom Line: Optimize Network Security with Firewall Best Practices<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Firewalls are critical gatekeepers, blocking unwanted access and protecting networks from cyber dangers. Adhering to best practices improves firewall efficacy, hence improving overall network security. Organizations may strengthen their defenses against evolving threats by thoroughly understanding, implementing, and periodically assessing these measures. The collective use of principles such as network segmentation, least privilege, and rigorous change management builds a secure foundation. Vigilant monitoring, frequent testing, and user education all contribute to a proactive protection plan.&nbsp;<\/p>\n\n\n\n<p>Ultimately, incorporating these practices offers not just immediate protection but also long-term resilience, allowing businesses to navigate the digital domain securely and confidently.<\/p>\n\n\n\n<p><strong>Read next:<\/strong><a href=\"https:\/\/www.esecurityplanet.com\/networks\/fine-tuning-firewall-rules-best-practices\/\"> 10 Tips for Fine-tuning Firewall Rules<\/a><\/p>\n\n\n<div id=\"ta-campaign-widget-66d6d0e8b64e3-popup-wrapper\" class=\"ta-campaign-widget__popup-wrapper\">\n    \n<div\n    style=\"\n        --ta-campaign-plugin-primary: #3545ed;\n        --ta-campaign-plugin-button-text: #fff;\n        --ta-campaign-plugin-button-hover-background: #3231b4;\n        --ta-campaign-plugin-button-hover-text: #fff;\n        --ta-campaign-plugin-button-toggle-background: #3231b4;\n        --ta-campaign-plugin-button-toggle-text: #3231B4;\n    \"\n    data-ajax-url=\"https:\/\/www.esecurityplanet.com\/wp\/wp-admin\/admin-ajax.php\">\n    <div\n        id=\"ta-campaign-widget-66d6d0e8b64e3\"\n        class=\"ta-campaign-widget ta-campaign-widget--popup\"\n        data-campaign-fields='{\"properties\":{\"campaign_type\":\"popup\",\"campaign_category\":false,\"sailthru_list\":[\"cybersecurity-insider\"],\"popup_type\":\"exit_intent\",\"appearance\":{\"colors\":{\"primary_color\":\"#3545ed\",\"button\":{\"button_text_color\":\"#fff\",\"hover\":{\"button_hover_background_color\":\"#3231b4\",\"button_hover_text_color\":\"#fff\"},\"toggle\":{\"button_toggle_background_color\":\"#3231b4\",\"button_toggle_text_color\":\"#3231B4\"}}},\"custom_scss\":\"\"},\"behavior\":{\"opt_in_enabled\":true},\"language\":{\"tagline\":\"Get the Free Cybersecurity Newsletter\",\"subtagline\":\"\",\"content\":\"Strengthen your organization&#39;s IT security defenses by keeping up to date on the latest cybersecurity news, solutions, and best practices. Delivered every Monday, Tuesday and Thursday\",\"email_placeholder\":\"Work Email Address\",\"opt_in\":\"By signing up to receive our newsletter, you agree to our Terms of Use and Privacy Policy. You can unsubscribe at any time.\",\"subscribe_button\":\"Subscribe\"}},\"identifier\":\"66d6d0e8b64e3\",\"campaign_id\":26045,\"campaign_type\":\"popup\",\"popup_type\":\"exit_intent\",\"newsletters\":[\"cybersecurity-insider\"],\"behavior\":{\"opt_in_enabled\":true},\"appearance\":{\"colors\":{\"primary\":\"#3545ed\",\"button\":{\"text\":\"#fff\",\"hover\":{\"background\":\"#3231b4\",\"text\":\"#fff\"},\"toggle\":{\"background\":\"#3231b4\",\"text\":\"#3231B4\"}}},\"custom_css\":\"\"},\"language\":{\"tagline\":\"Get the Free Cybersecurity Newsletter\",\"subtagline\":\"\",\"content\":\"Strengthen your organization&#39;s IT security defenses by keeping up to date on the latest cybersecurity news, solutions, and best practices. Delivered every Monday, Tuesday and Thursday\",\"email_placeholder\":\"Work Email Address\",\"opt_in\":\"By signing up to receive our newsletter, you agree to our Terms of Use and Privacy Policy. You can unsubscribe at any time.\",\"subscribe_button\":\"Subscribe\"}}'>\n\n                <div class=\"ta-campaign-widget__exit\">\n            <svg class=\"w-8\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.5\" viewBox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\">\n                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M6 18L18 6M6 6l12 12\"><\/path>\n            <\/svg>\n        <\/div>\n        \n        <div class=\"ta-campaign-widget__wrapper\">\n            <div class=\"ta-campaign-widget__header mb-6\">\n                                <h3 class=\"ta-campaign-widget__tagline\">\n                    Get the Free Cybersecurity Newsletter                <\/h3>\n                \n                \n                                <p class=\"ta-campaign-widget__content mt-6\">\n                    Strengthen your organization's IT security defenses by keeping up to date on the latest cybersecurity news, solutions, and best practices. Delivered every Monday, Tuesday and Thursday                <\/p>\n                            <\/div>\n\n            <form class=\"ta-campaign-widget__form\">\n                <div class=\"ta-campaign-widget__input mb-4\"  data-field=\"email\">\n                    <label\n                        class=\"sr-only\"\n                        for=\"email-66d6d0e8b64e3\">\n                        Email Address\n                    <\/label>\n                    <input\n                        class=\"ta-campaign-widget__input__text\"\n                        placeholder=\"Work Email Address\"\n                        id=\"email-66d6d0e8b64e3\"\n                        name=\"email\"\n                        type=\"email\">\n                <\/div>\n\n                                <div class=\"ta-campaign-widget__checkbox mb-4\" data-field=\"opt_in\">\n                    <div class=\"flex items-start\">\n                        <input\n                            id=\"opt-in-66d6d0e8b64e3\"\n                            class=\"ta-campaign-widget__checkbox__input mr-2\"\n                            name=\"opt-in\"\n                            type=\"checkbox\"\/>\n                        <label\n                            class=\"ta-campaign-widget__checkbox__label\"\n                            for=\"opt-in-66d6d0e8b64e3\">\n                            By signing up to receive our newsletter, you agree to our Terms of Use and Privacy Policy. You can unsubscribe at any time.                        <\/label>\n                    <\/div>\n                <\/div>\n                \n                <button class=\"ta-campaign-widget__button\" type=\"submit\" >\n                    Subscribe                <\/button>\n            <\/form>\n        <\/div>\n    <\/div>\n<\/div>\n\n<style>\n<\/style><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Following firewall best practices ensures your network is completely secure. Discover the best practices for optimal security now.<\/p>\n","protected":false},"author":331,"featured_media":33137,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gazelle_contributing_experts":"","footnotes":""},"categories":[14],"tags":[],"b2b_audience":[],"b2b_industry":[],"b2b_product":[],"class_list":["post-33136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-networks"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Top 12 Firewall Best Practices to Optimize Network Security<\/title>\n<meta name=\"description\" content=\"Following firewall best practices ensures your network is completely secure. Discover the best practices for optimal security now.\" \/>\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.esecurityplanet.com\/networks\/firewall-best-practices\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 12 Firewall Best Practices to Optimize Network Security\" \/>\n<meta property=\"og:description\" content=\"Following firewall best practices ensures your network is completely secure. Discover the best practices for optimal security now.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/\" \/>\n<meta property=\"og:site_name\" content=\"eSecurity Planet\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-11T07:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-08T22:39:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1400\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Maine Basan\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@eSecurityPlanet\" \/>\n<meta name=\"twitter:site\" content=\"@eSecurityPlanet\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Maine Basan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/\"},\"author\":{\"name\":\"Maine Basan\",\"@id\":\"https:\/\/www.esecurityplanet.com\/#\/schema\/person\/48c58015ca79ab3ed057abd7a52b2206\"},\"headline\":\"Top 12 Firewall Best Practices to Optimize Network Security\",\"datePublished\":\"2023-12-11T07:00:00+00:00\",\"dateModified\":\"2023-12-08T22:39:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/\"},\"wordCount\":1798,\"publisher\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png\",\"articleSection\":[\"Networks\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/\",\"url\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/\",\"name\":\"Top 12 Firewall Best Practices to Optimize Network Security\",\"isPartOf\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png\",\"datePublished\":\"2023-12-11T07:00:00+00:00\",\"dateModified\":\"2023-12-08T22:39:53+00:00\",\"description\":\"Following firewall best practices ensures your network is completely secure. Discover the best practices for optimal security now.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage\",\"url\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png\",\"contentUrl\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png\",\"width\":1400,\"height\":900,\"caption\":\"Image: Who is Danny\/Adobe Stock\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.esecurityplanet.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Top 12 Firewall Best Practices to Optimize Network Security\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.esecurityplanet.com\/#website\",\"url\":\"https:\/\/www.esecurityplanet.com\/\",\"name\":\"eSecurity Planet\",\"description\":\"Industry-leading guidance and analysis for how to keep your business secure.\",\"publisher\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.esecurityplanet.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.esecurityplanet.com\/#organization\",\"name\":\"eSecurityPlanet\",\"url\":\"https:\/\/www.esecurityplanet.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.esecurityplanet.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2020\/10\/eSecurity_logo_MainLogo.png\",\"contentUrl\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2020\/10\/eSecurity_logo_MainLogo.png\",\"width\":1134,\"height\":375,\"caption\":\"eSecurityPlanet\"},\"image\":{\"@id\":\"https:\/\/www.esecurityplanet.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/x.com\/eSecurityPlanet\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.esecurityplanet.com\/#\/schema\/person\/48c58015ca79ab3ed057abd7a52b2206\",\"name\":\"Maine Basan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.esecurityplanet.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/04\/HH50049850_Maine_Basan-150x150.jpg\",\"contentUrl\":\"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/04\/HH50049850_Maine_Basan-150x150.jpg\",\"caption\":\"Maine Basan\"},\"description\":\"Maine is an eSecurity Planet writer with a foundation in eLearning content development, research, and academic CRM implementation. She studied BA Communication Arts at the University of the Philippines. She now leverages her communication experiences as a writer and product analyst, engaging the B2B audience with insights into cybersecurity trends and solutions. Off the clock, Maine\u2019s probably immersed in her spreadsheets, organizing her life or planning her next K-pop concert and beach getaways.\",\"url\":\"https:\/\/www.esecurityplanet.com\/author\/mbasan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Top 12 Firewall Best Practices to Optimize Network Security","description":"Following firewall best practices ensures your network is completely secure. Discover the best practices for optimal security now.","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:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/","og_locale":"en_US","og_type":"article","og_title":"Top 12 Firewall Best Practices to Optimize Network Security","og_description":"Following firewall best practices ensures your network is completely secure. Discover the best practices for optimal security now.","og_url":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/","og_site_name":"eSecurity Planet","article_published_time":"2023-12-11T07:00:00+00:00","article_modified_time":"2023-12-08T22:39:53+00:00","og_image":[{"width":1400,"height":900,"url":"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png","type":"image\/png"}],"author":"Maine Basan","twitter_card":"summary_large_image","twitter_creator":"@eSecurityPlanet","twitter_site":"@eSecurityPlanet","twitter_misc":{"Written by":"Maine Basan","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#article","isPartOf":{"@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/"},"author":{"name":"Maine Basan","@id":"https:\/\/www.esecurityplanet.com\/#\/schema\/person\/48c58015ca79ab3ed057abd7a52b2206"},"headline":"Top 12 Firewall Best Practices to Optimize Network Security","datePublished":"2023-12-11T07:00:00+00:00","dateModified":"2023-12-08T22:39:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/"},"wordCount":1798,"publisher":{"@id":"https:\/\/www.esecurityplanet.com\/#organization"},"image":{"@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage"},"thumbnailUrl":"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png","articleSection":["Networks"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/","url":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/","name":"Top 12 Firewall Best Practices to Optimize Network Security","isPartOf":{"@id":"https:\/\/www.esecurityplanet.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage"},"image":{"@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage"},"thumbnailUrl":"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png","datePublished":"2023-12-11T07:00:00+00:00","dateModified":"2023-12-08T22:39:53+00:00","description":"Following firewall best practices ensures your network is completely secure. Discover the best practices for optimal security now.","breadcrumb":{"@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#primaryimage","url":"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png","contentUrl":"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/12\/esp_20231207-firewall-best-practices.png","width":1400,"height":900,"caption":"Image: Who is Danny\/Adobe Stock"},{"@type":"BreadcrumbList","@id":"https:\/\/www.esecurityplanet.com\/networks\/firewall-best-practices\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.esecurityplanet.com\/"},{"@type":"ListItem","position":2,"name":"Top 12 Firewall Best Practices to Optimize Network Security"}]},{"@type":"WebSite","@id":"https:\/\/www.esecurityplanet.com\/#website","url":"https:\/\/www.esecurityplanet.com\/","name":"eSecurity Planet","description":"Industry-leading guidance and analysis for how to keep your business secure.","publisher":{"@id":"https:\/\/www.esecurityplanet.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.esecurityplanet.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.esecurityplanet.com\/#organization","name":"eSecurityPlanet","url":"https:\/\/www.esecurityplanet.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.esecurityplanet.com\/#\/schema\/logo\/image\/","url":"https:\/\/assets.esecurityplanet.com\/uploads\/2020\/10\/eSecurity_logo_MainLogo.png","contentUrl":"https:\/\/assets.esecurityplanet.com\/uploads\/2020\/10\/eSecurity_logo_MainLogo.png","width":1134,"height":375,"caption":"eSecurityPlanet"},"image":{"@id":"https:\/\/www.esecurityplanet.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/eSecurityPlanet"]},{"@type":"Person","@id":"https:\/\/www.esecurityplanet.com\/#\/schema\/person\/48c58015ca79ab3ed057abd7a52b2206","name":"Maine Basan","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.esecurityplanet.com\/#\/schema\/person\/image\/","url":"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/04\/HH50049850_Maine_Basan-150x150.jpg","contentUrl":"https:\/\/assets.esecurityplanet.com\/uploads\/2023\/04\/HH50049850_Maine_Basan-150x150.jpg","caption":"Maine Basan"},"description":"Maine is an eSecurity Planet writer with a foundation in eLearning content development, research, and academic CRM implementation. She studied BA Communication Arts at the University of the Philippines. She now leverages her communication experiences as a writer and product analyst, engaging the B2B audience with insights into cybersecurity trends and solutions. Off the clock, Maine\u2019s probably immersed in her spreadsheets, organizing her life or planning her next K-pop concert and beach getaways.","url":"https:\/\/www.esecurityplanet.com\/author\/mbasan\/"}]}},"_links":{"self":[{"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/posts\/33136"}],"collection":[{"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/users\/331"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/comments?post=33136"}],"version-history":[{"count":2,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/posts\/33136\/revisions"}],"predecessor-version":[{"id":33139,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/posts\/33136\/revisions\/33139"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/media\/33137"}],"wp:attachment":[{"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/media?parent=33136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/categories?post=33136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/tags?post=33136"},{"taxonomy":"b2b_audience","embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/b2b_audience?post=33136"},{"taxonomy":"b2b_industry","embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/b2b_industry?post=33136"},{"taxonomy":"b2b_product","embeddable":true,"href":"https:\/\/www.esecurityplanet.com\/wp-json\/wp\/v2\/b2b_product?post=33136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}