Experimental Duo two-factor auth provider for Nextcloud. Tested working up to 25.0.1 RC1
Add your duo configuration to your Nextcloud's config/config.php
fils:
'twofactor_duo' => [
'IKEY' => 'xxx',
'SKEY' => 'yyy',
'HOST' => 'zzz',
'AKEY' => '123',
],
AKEY can be generated using the command dd if=/dev/random count=1 | sha256sum