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Follow the steps below to remediate this finding on Drupal. Go to Administration > Configuration > Development > Logging and errors.Set "Error messages to display" to None.Save the configuration.

Follow the steps below to remediate this finding on Linux (Debian/Ubuntu). For Postfix, restrict relay access in /etc/postfix/main.cf:smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destinationSet your trusted network:myn...

Follow the steps below to remediate this finding on Linux (RHEL/CentOS/AlmaLinux). For Postfix on RHEL/CentOS, edit /etc/postfix/main.cf:smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destinationRestart Postfix:sudo syst...

Follow the steps below to remediate this finding on Windows. For Microsoft Exchange, open the Exchange Admin Center.Go to Mail flow > Receive connectors.Select each connector and verify the Permission groups do not include Anonymous users for relay.For IIS SMT...

Follow the steps below to remediate this finding on Generic / Developer guidance. NAT-PMP (Port Mapping Protocol) allows devices on the local network to automatically configure port forwarding on NAT gateways. If detectable from a remote network, the gateway i...

Follow the steps below to remediate this finding on Linux (Debian/Ubuntu). Update OpenSSH to the latest available version:sudo apt update sudo apt upgrade openssh-serverVerify the installed version:ssh -VIf the distribution repositories do not provide a patche...

Follow the steps below to remediate this finding on Linux (RHEL/CentOS/AlmaLinux). Update OpenSSH via the package manager:sudo yum update openssh-server # RHEL/CentOS 7 sudo dnf update openssh-server # RHEL/CentOS 8+ / AlmaLinuxVerify the installed ver...

Follow the steps below to remediate this finding on Windows. For Windows Server with OpenSSH (Win32-OpenSSH), update via the optional features:Settings > Apps > Optional features > OpenSSH Server > ModifyOr use PowerShell to install the latest version from Git...

Follow the steps below to remediate this finding on Linux (Debian/Ubuntu). Update OpenSSH to the latest available version:sudo apt update sudo apt upgrade openssh-serverVerify the installed version:ssh -VIf the distribution does not yet provide 9.6+, use backp...