listen on port 80

### Step 1: Please describe your environment

* ZeroNet version:0.6.2
* Operating system: Asustor 3.5.14
* Web browser:opera
* Tor status: not available
* Opened port: no
* Special configuration: none

### Step 2: Describe the problem:

I want to install zeronet on an nas asustor i can install it without problem but it cant listen port 80 and dont accede to the webui because there is no web browser on the nas

- Starting ZeroNet...
[21:27:42] - OpenSSL loaded, version: 0100020EF
[21:27:42] - Version: 0.6.3 r3542, Python 2.7.10 (default, Aug 19 2015, 09:18:54)
[GCC 4.6.3], Gevent: 1.3.5
[21:27:42] - Creating FileServer....
[21:27:42] - Creating UiServer....
[21:27:43] - Removing old SSL certs...
[21:27:43] - Starting servers....
[21:27:43] Ui.UiServer --------------------------------------
[21:27:43] Ui.UiServer Web interface: http://127.0.0.1:43110/
[21:27:43] Ui.UiServer --------------------------------------
[21:27:44] TorManager Connecting to Tor Controller 127.0.0.1:9051
[21:27:44] TorManager Starting self-bundled Tor, due to Tor proxy port 127.0.0.1:9050 check error: No connection
[21:27:45] ConnServer Checking port 11911 using portchecker.co...
[21:27:48] ConnServer [BAD :(] Port closed: Port 11911 is closed.
[21:27:48] ConnServer Trying to open port using UpnpPunch...
[21:27:50] ConnServer Checking port 11911 using portchecker.co...
[21:27:51] ConnServer [OK :)] Port open: Port 11911 is open.
^CShutting down...
[21:30:06] - Unhandled exception
None
KeyboardInterrupt
[21:30:07] ConnServer Closed port via upnp.
[21:30:07] - All server stopped