Secure SPARQL Endpoint Guide via SQL Accounts -- usage path digest authentication The following Guide presents a sample scenario how SPARQL Endpoint can be protected using SQL Account digest authentication: Go to http://cname/conductor. Enter dba credentials:

Assign SPARQL_SELECT role to user for ex. with name "demo". Go to Web Application Server -> Virtual Domains & Directories:

Locate the associated virtual folder with your Virtuoso SPARQL Endpoint and click "Edit":

At the "Authentication options" section apply the following settings: Change Method to: Digest; Add Realm value: SPARQL Endpoint; Specify for Authentication Function the following function name: DB.DBA.HP_AUTH_SQL_USER;

Click "Save Changes". At this stage you will be challenged when you go to /sparql via HTML or cURL (in this case use --digest option). Access the SPARQL Endpoint by going to http://cname/sparql. Should be challenged to enter Username and password:

Enter user "demo" credentials and click "Log in"

On successful log-in, the SPARQL Endpoint query execution page should be presented:

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