dev tun
client
remote openvpn.hidrive.strato.com
auth-user-pass
auth-retry interact
ca ca.drive.strato.com.crt
tls-auth tls-auth.key
ns-cert-type server
script-security 2

--------------------
output:
[root@ad hidrive]# openvpn hidrive.strato.com.ovpn
Thu Dec 16 15:07:22 2010 OpenVPN 2.1.3 x86_64-unknown-linux-gnu [SSL] [LZO2] [EPOLL] built on Sep  6 2010
Enter Auth Username:backup
Enter Auth Password:
Thu Dec 16 15:07:31 2010 IMPORTANT: OpenVPN's default port number is now 1194, based on an official port number assignment by IANA.  OpenVPN 2.0-beta16 and earlier used 5000 as the default port.
Thu Dec 16 15:07:31 2010 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Thu Dec 16 15:07:31 2010 Control Channel Authentication: using 'tls-auth.key' as a OpenVPN static key file
Thu Dec 16 15:07:31 2010 TCP/UDP: Socket bind failed on local address [undef]:1194: Address already in use
Thu Dec 16 15:07:31 2010 Exiting