idea Security Configuration parameter allowedAdminAccessIPs should support IP ranges via CIDR notation in ArcGIS Enterprise Ideas https://community.esri.com/t5/arcgis-enterprise-ideas/security-configuration-parameter/idi-p/1696664 <P><A href="https://developers.arcgis.com/rest/enterprise-administration/server/securityconfig/" target="_self">Security configuration</A> parameter&nbsp;<STRONG>allowedAdminAccessIPs&nbsp;</STRONG>should support the provision of IP Ranges using CIDR notation. Currently, this is a comma separated list of individual values.</P><UL><LI>Managing individual IP addresses is incredibly labour-intensive and leads often to mistakes, where the server can become unavailable for part or whole of an administrative body if errors have been made</LI><LI>By using CIDR notation, the server no longer needs to go one-by-one through a list, and the resulting match time should be slightly faster.</LI><LI>CIDR is how IP address ranges for internal and external networks are allocated, as such it is easier to provide&nbsp;<EM>and guarantee</EM>&nbsp;this at a network-infrastructure level.</LI><LI>Providing this data in CIDR format would require less administration</LI></UL> Fri, 01 May 2026 16:15:46 GMT Joey_NL 2026-05-01T16:15:46Z Security Configuration parameter allowedAdminAccessIPs should support IP ranges via CIDR notation https://community.esri.com/t5/arcgis-enterprise-ideas/security-configuration-parameter/idi-p/1696664 <P><A href="https://developers.arcgis.com/rest/enterprise-administration/server/securityconfig/" target="_self">Security configuration</A> parameter&nbsp;<STRONG>allowedAdminAccessIPs&nbsp;</STRONG>should support the provision of IP Ranges using CIDR notation. Currently, this is a comma separated list of individual values.</P><UL><LI>Managing individual IP addresses is incredibly labour-intensive and leads often to mistakes, where the server can become unavailable for part or whole of an administrative body if errors have been made</LI><LI>By using CIDR notation, the server no longer needs to go one-by-one through a list, and the resulting match time should be slightly faster.</LI><LI>CIDR is how IP address ranges for internal and external networks are allocated, as such it is easier to provide&nbsp;<EM>and guarantee</EM>&nbsp;this at a network-infrastructure level.</LI><LI>Providing this data in CIDR format would require less administration</LI></UL> Fri, 01 May 2026 16:15:46 GMT https://community.esri.com/t5/arcgis-enterprise-ideas/security-configuration-parameter/idi-p/1696664 Joey_NL 2026-05-01T16:15:46Z