[mythtvnz] OT - whats running on my TV

[Jonathan Hoskin]

On 7/06/2011, at 6:00 PM, Steve Holdoway wrote:

> On Tue, 2011-06-07 at 16:01 +1200, Nick Rout wrote:
>> My network connected LG TV has port 8080 (and only port 8080) open
>> according to nmap. However it doesn't seem to be running a web server
>> - if I telnet to port 8080 it connects, pauses for a while, then
>> throws an error message, viz:
>> 
>> nick at media:~$ telnet 192.168.1.104 8080
>> Trying 192.168.1.104...
>> Connected to 192.168.1.104.
>> Escape character is '^]'.
>> HTTP/1.1 500 Internal Server Error
>> Date: Tue Jun  7 03:54:48 2011 GMT
>> Server: LG HDCP Server
>> Pragma: no-cache
>> Cache-Control: no-store, no-cache, must-revalidate
>> Connection: close
>> Content-Length: 141
>> Content-Type: application/atom+xml; charset=utf-8
>> 
>> <?xml version="1.0"
>> encoding="utf-8"?><envelope><HDCPError>500</HDCPError><HDCPErrorDetail>Internal
>> Server Error</HDCPErrorDetail></envelope>Connection closed by foreign
>> host.
>> 
>> If I use curl, it gives a 406 error:
>> 
>> nick at media:~$ curl http://192.168.1.104:8080/
>> <?xml version="1.0"
>> encoding="utf-8"?><envelope><HDCPError>406</HDCPError><HDCPErrorDetail>Not
>> Acceptable</HDCPErrorDetail></envelope>
>> 
>> Anyone got any ideas how I explore this port some more? Or what it's for?
>> 
> RSS Feed maybe??
> 
> Content-Type: application/atom+xml;
> 
> But then after looking up what HDCP was -
> http://www.digitalconnection.com/faq/HDTV_12.asp - which opens up weeks
> of tinkering I reckon (:

Yep. I'm betting it's how LG devices would communicate with each other and potentially share (encrypted) content. You're gonna want a big spade for that rabbit hole.