{"id":26758,"date":"2025-06-24T14:59:09","date_gmt":"2025-06-24T12:59:09","guid":{"rendered":"https:\/\/tremhost.com\/blog\/?p=26758"},"modified":"2025-06-24T14:59:09","modified_gmt":"2025-06-24T12:59:09","slug":"dedicated-server-security-checklist","status":"publish","type":"post","link":"https:\/\/tremhost.com\/blog\/dedicated-server-security-checklist\/","title":{"rendered":"Dedicated Server Security Checklist"},"content":{"rendered":"<h3>1. <strong>Initial Setup<\/strong><\/h3>\n<ul>\n<li><strong>Change Default Passwords:<\/strong> Replace all default admin\/root passwords with strong, unique credentials.<\/li>\n<li><strong>Create a Non-Root User:<\/strong> For daily tasks, use a regular user account with sudo privileges instead of root.<\/li>\n<li><strong>Update the System:<\/strong> Apply all available OS and software updates\/patches immediately after deployment.<\/li>\n<\/ul>\n<h3>2. <strong>Network Security<\/strong><\/h3>\n<ul>\n<li><strong>Configure a Firewall:<\/strong> Use tools like <code>ufw<\/code>, <code>firewalld<\/code>, or <code>iptables<\/code> to restrict open ports to only what\u2019s necessary.<\/li>\n<li><strong>Disable Unused Services and Ports:<\/strong> Shut down all services and close ports that you don\u2019t actively need.<\/li>\n<li><strong>Use SSH Keys:<\/strong> Disable password-based SSH logins; only allow authentication via SSH keys.<\/li>\n<li><strong>Change Default SSH Port:<\/strong> Consider moving SSH from port 22 to a non-standard port to reduce automated attacks.<\/li>\n<li><strong>Enable Fail2ban:<\/strong> Install Fail2ban or similar tools to block IPs after repeated failed login attempts.<\/li>\n<\/ul>\n<h3>3. <strong>Software &amp; System Hardening<\/strong><\/h3>\n<ul>\n<li><strong>Remove Unnecessary Packages:<\/strong> Uninstall software you don\u2019t use to minimize vulnerabilities.<\/li>\n<li><strong>Install Security Updates Automatically:<\/strong> Set up automatic security updates if possible, or schedule regular manual checks.<\/li>\n<li><strong>Use Secure Protocols:<\/strong> Ensure services like FTP or HTTP are upgraded to SFTP\/FTPS and HTTPS.<\/li>\n<li><strong>Run a Malware Scanner:<\/strong> Deploy tools (like ClamAV, rkhunter, or chkrootkit) for regular scans.<\/li>\n<\/ul>\n<h3>4. <strong>Account and Access Control<\/strong><\/h3>\n<ul>\n<li><strong>Audit User Accounts:<\/strong> Regularly review user accounts and permissions; disable or remove old\/unused accounts.<\/li>\n<li><strong>Implement Strong Password Policies:<\/strong> Require complex passwords and regular password changes.<\/li>\n<li><strong>Limit sudo Access:<\/strong> Grant administrative privileges only to users who absolutely need them.<\/li>\n<\/ul>\n<h3>5. <strong>Monitoring &amp; Logging<\/strong><\/h3>\n<ul>\n<li><strong>Enable System Logging:<\/strong> Make sure syslog or journald is active and storing logs.<\/li>\n<li><strong>Monitor Logs:<\/strong> Use tools like Logwatch or set up log monitoring\/alerting for suspicious activity.<\/li>\n<li><strong>Set Up Intrusion Detection:<\/strong> Consider tools like AIDE or OSSEC for file integrity monitoring.<\/li>\n<\/ul>\n<h3>6. <strong>Backups &amp; Disaster Recovery<\/strong><\/h3>\n<ul>\n<li><strong>Schedule Regular Backups:<\/strong> Back up data and configs regularly, and store copies off-site or in the cloud.<\/li>\n<li><strong>Test Restores:<\/strong> Periodically test your backups to ensure they\u2019re working and restorable.<\/li>\n<\/ul>\n<h3>7. <strong>Physical Security<\/strong><\/h3>\n<ul>\n<li><strong>Restrict Physical Access:<\/strong> If you manage the server hardware, make sure it\u2019s in a secure, access-controlled environment.<\/li>\n<\/ul>\n<h3>8. <strong>Ongoing Maintenance<\/strong><\/h3>\n<ul>\n<li><strong>Review Security Policies:<\/strong> Update your security policies as threats evolve.<\/li>\n<li><strong>Train Staff:<\/strong> Make sure anyone with access understands security best practices.<\/li>\n<\/ul>\n<hr \/>\n<p><strong>Pro tip:<\/strong> Security isn\u2019t a \u201cset it and forget it\u201d deal\u2014it\u2019s an ongoing process. Scheduling regular maintenance and reviews is just as important as the initial setup.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Initial Setup Change Default Passwords: Replace all default admin\/root passwords with strong, unique credentials. Create a Non-Root User: For daily tasks, use a regular user account with sudo privileges instead of root. Update the System: Apply all available OS and software updates\/patches immediately after deployment. 2. Network Security Configure a Firewall: Use tools like [&hellip;]<\/p>\n","protected":false},"author":226,"featured_media":26759,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[163],"tags":[],"class_list":["post-26758","post","type-post","status-publish","format-standard","has-post-thumbnail","category-hosting"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"1. Initial Setup Change Default Passwords: Replace all default admin\/root passwords with strong, unique credentials. Create a Non-Root User: For daily tasks, use a regular user account with sudo privileges instead of root. 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