Password streamdev-server

According to

vdr -h

it's a plugin start argument:

Quote

Code

streamdev-server (0.6.0-git) - VDR Streaming Server


  -a <LOGIN:PASSWORD>, --auth=<LOGIN:PASSWORD>  Credentials for HTTP authentication.
  -r <CMD>, --remux=<CMD>  Define an external command for remuxing.

the plugin-loader expects a plugin configuration in /etc/vdr/plugins/plugin.<pluginname>.conf - so you should be able to place it in /etc/vdr/plugins/plugin.streamdev-server.conf

Have you tried to connect from a host or subnet which is not included in /etc/vdr/plugins/streamdevhosts.conf?
AFAIK all connections from IP addresses included in streamdevhosts.conf are always allowed without authentification.