https://docs.whmcs.com/9-1/tags/ip-addresses/Recent content in ip-addresses onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/installation-guide/initial-configuration/enhancing-security/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/installation-guide/initial-configuration/enhancing-security/Enumerates ten security hardening steps for self-hosted installations: securing writeable directories, configuration.php, and crons, restricting Admin Area access by IP, renaming the admin directory, enabling SSL, and restricting database privileges.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-authentication/troubleshooting-authentication/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-authentication/troubleshooting-authentication/Lists linked troubleshooting articles grouped by category, including general WHMCS authentication issues, Facebook, Google, and Twitter Sign-In Integration errors, password reset problems, and two-factor authentication issues.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-servers/troubleshooting-server-issues/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-servers/troubleshooting-server-issues/Index page covering general provisioning troubleshooting steps using the Module Queue, Module Log, and cron status, and linking to cPanel & WHM, Plesk, and WP Squared server module issue articles.https://docs.whmcs.com/9-1/system/banned-ip-addresses/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/banned-ip-addresses/Covers manually adding, searching, filtering, and deleting entries on the Banned IPs list with wildcard IP ranges, the three-failed-login automatic ban trigger, removing an automatic ban via the tblbannedips database table, and restricting Admin Area access with an .htaccess allow-list.https://docs.whmcs.com/9-1/troubleshooting/grant-access-to-whmcs-support/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/grant-access-to-whmcs-support/Lists the WHMCS Support IP addresses and ranges to allowlist, the steps to create a temporary full-administrator user, cPanel and Plesk SSH key setup script commands, and the steps to remove temporary access and the admin user once support finishes.https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/server-ip-address-in-logs/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/server-ip-address-in-logs/Fixes the server’s own IP address appearing instead of the client’s or admin’s IP in the Activity, Admin, or Whois logs, caused by a proxy such as Cloudflare supplying an incorrect PHP variable among HTTP_CLIENT_IP, HTTP_X_FORWARDED_FOR, and related headers, by configuring the Proxy IP Header and Trusted Proxies fields under General Settings > Security.https://docs.whmcs.com/9-1/system/trusted-proxies/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/trusted-proxies/Compares the webserver-module and admin-managed trusted-source-list mitigation strategies for proxies like Cloudflare, and documents the Proxy IP Header (typically X_FORWARDED_FOR) and Trusted Proxy List settings on the Security tab of General Settings.https://docs.whmcs.com/9-1/domains/renewals-and-transfers/domain-resolver/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/domains/renewals-and-transfers/domain-resolver/Explains how to use the Domain Resolver utility to select a server (or Check All), run the check, and review domains highlighted in red that no longer resolve to your server, noting dedicated-IP accounts may show false positives.