module - Magento Tupertine authentication error -

I have set up a module in its Magmeno (1.9.1) store called varnish to cache pages Tchartin, but I can Found problems with it

After installation I inserted in the file: / etc / varnish / secret and secret key, so I went back to the backend and pasted this key, although the following message was sent to me to save the system show :

  failed to apply Visiel on L27k0k0kl:6082: unexpected response from varnishes found code: 107 ftfavpxpdqciyfzwuwtddrefouwffsdl certification is required  

module read the document: Check that the key is in a line Then it is recommended to put / n at the end of the key in the backend

When the following message is displayed while trying to insert the key in the backend system:

  Failed to apply VCL to 127.0.0.1:6082: Varnish data varnish ASI syntax is not set to the right to write the length of the total length from 122 characters, please correct these alerts to correct these instructions. See.  

key at:

  b6736327-be5e-4b52-a05a-875ea9271424  

and looked like this: < / P>

  b6736327-be5e-4b52-a05a-875ea9271424 \ n  

try editing this file varnish

  sudo nano / etc / default / varnish  

set it to "DAEMON_OPTS"

  DAEMON_OPTS = "-p cli_buffer = 16384 \ -a: 80 \ -T localhost: 6082 \ -f /etc/varnish/default.vcl \ -s / etc / varnish / secret \ -s malloc , 256m "