BUG-000128060 - ArcGIS Server has a Server Side Request Forgery (SSRF) security vulnerability.To avoid conflicts this patch also addresses: null' within Amazon Web Services (AWS) on Microsoft Windows and Linux (or Azure). BUG-000113339 - The ArcGIS Server 10.6 (or 10.7.1) export site operation returns the error message, 'Export operation failed.BUG-000122408 - A custom certificate for the server of the web server is not maintained when restoring a webgisdr backup.BUG-000115304 - In multiple ArcGIS Server machine sites, the ImportSite operation modifies the server machine property options pertaining to HTTPS on machines other than the one running the Importsite.Note: ArcGIS Enterprise 10.6.1 customers are further recommended to install the companion Portal for ArcGIS High Availability and Disaster Recovery Quality Patch. This patch deals specifically with the issues listed below under Issues Addressed with this patch. All customers with high availability configurations and that make use of the WebGIS DR Tool are recommended to install this patch. This patch resolves multiple issues related to high availability and disaster recovery configurations of ArcGIS Enterprise 10.6.1. Esri® announces the ArcGIS Server 10.6.1 High Availability and Disaster Recovery Quality Patch.