“downloadable_domains” in env.php file

“downloadable_domains” is used for downloadable products to define specific domains. it’s good to know which domains are white-listed.

The domain name of link/url must be white-listed and to do so, you need to add this domain name in env.php file under “downloadable_domains”.

CLI commands to manage “downloadable_domains” :

Add domains to the downloadable domains whitelist

bin/magento downloadable:domains:add [<domains>...] 

bin/magento downloadable:domains:add www.domainname.com 

To remove a downloadable domain :

bin/magento downloadable:domains:remove [<domains>...]

bin/magento downloadable:domains:remove www.domainname.com 

To list all whitelisted downloadable domain :

bin/magento downloadable:domains:show  Have a nice day...!