+ <flag name='logrotate'>Use <pkg>app-admin/logrotate</pkg> for rotating logs</flag>
+ <flag name='upnp'>Use <pkg>net-libs/miniupnpc</pkg> to enable port-forwarding via Universal Plug and Play</flag>
+ <flag name='wallet'>Use <pkg>sys-libs/db</pkg> to enable tracking transactions in a wallet</flag>