How to fix login or SSL certificate issues in CyberPanel? IntroductionCyberPanel is a powerful yet user-friendly web hosting control panel that simplifies server management. However, like any control panel, users may occasionally encounter login and SSL certificate issues. This comprehensive guide will walk you through the most common problems and provide clear, step-by-step solutions to resolve them quickly. Understanding Common CyberPanel Login IssuesBefore attempting to fix your login issues, it’s important to understand what might be causing them. Here are the most common login problems users experience:Incorrect username or passwordBrowser cache and cookies preventing accessServer IP address changes or domain DNS issuesCyberPanel service not running properlyFirewall or port blocking issues Fixing CyberPanel Login IssuesClearing Browser Cache and CookiesCached data and cookies can prevent you from accessing CyberPanel. Follow these steps to clear your browser cache:Open your web browser (Chrome, Firefox, Safari, or Edge)Press Ctrl+Shift+Delete (Windows) or Command+Shift+Delete (Mac) to open the Clear Browsing Data windowSelect “All time” from the time range dropdownCheck the boxes for “Cookies and other site data” and “Cached images and files”Click the “Clear data” button Understanding and Resolving SSL Certificate Issues in CyberPanelSSL (Secure Sockets Layer) certificate errors can prevent users from accessing your website securely. Common SSL issues include expired certificates, mismatched domain names, and certificate chain problems. Let’s explore the most frequent SSL issues and their solutions:Expired SSL CertificatesAn expired SSL certificate will display a warning message in the browser when users try to access your website. This is one of the most common SSL issues. To fix expired certificates: Renewing Your SSL Certificate in CyberPanelCyberPanel often includes built-in SSL management tools. To renew an expired certificate or install a new one:Log in to your CyberPanel dashboardNavigate to the SSL/TLS section in the left sidebarSelect the domain you want to manageChoose to renew your certificate or install a new oneFollow the prompts to complete the installation Key Notes:Port 8090: Ensure that port 8090 is open in your server’s firewall (ConfigServer Security & Firewall or UFW), as this is the default port for CyberPanel access.Hostname SSL: If you cannot access the panel via your domain, try using the server IP (https://your-server-ip:8090). You may need to issue a specific Hostname SSL from the terminal.CLI Fixes: For persistent login issues, use the command adminPass [newpassword] via SSH to reset your password instantly.DNS Propagation: SSL issuance will fail if your domain’s A-record is not correctly pointed to your server IP. Use tools like DNSChecker to verify propagation. Conclusion:Resolving login and SSL certificate issues in CyberPanel is essential for maintaining a professional and secure web presence. Most login hurdles can be cleared by managing browser data or verifying firewall settings, while SSL errors are typically fixed by ensuring correct DNS records and utilizing CyberPanel’s built-in renewal tools. By following these troubleshooting steps, you can ensure your server remains accessible and your user data stays encrypted. Need Help? If you face any issues updating your nameservers or need further assistance, our support team is always available: Email: support@bigcloudy.com Submit a support ticket FAQ Why am I getting a "Your connection is not private" error?Answer:This usually indicates an expired or missing SSL certificate. In CyberPanel, navigate to SSL > Manage SSL, select your domain, and click “Issue SSL.” Ensure your domain is already pointing to the server IP. How do I restart CyberPanel services if the login page won't load?Answer:If the dashboard is unresponsive, log into your server via SSH and run: systemctl restart lscpd This restarts the CyberPanel web service without rebooting the entire server. Can I use Let's Encrypt for free SSL on CyberPanel?Answer:Yes, CyberPanel comes with native Let’s Encrypt integration. It automatically handles issuance and renewals, provided your DNS settings are correct. What should I do if I forgot my CyberPanel admin password?Answer:You can reset it via the command line. Access your server via SSH and run: cyberpanel force-password-reset or adminPass your_new_password. Why does my SSL fail to renew automatically?Answer:Common reasons include Cloudflare proxying (which can interfere with the ACME challenge), firewall blocks on port 80, or incorrect file permissions in the .well-known directory.