[mythtv-users] Mythweb "Unable to connect to the master backend"

Mark Adams madams9 at gmail.com
Tue Sep 14 15:38:22 UTC 2010


On 09/14/2010 09:33 AM, Mark Adams wrote:
> Okay, I have mythweb and mythfrontend running on my primary server 
> which is open to the Internet. I can see that port 6543 is open on my 
> network and forwarded to the mythbackend running on my htpc (which is 
> not the primary server facing the Internet).
>
> Trouble is, when I point my browser to http://<my.domain>/mythweb, I get:
>
>
>     Error
>
> Unable to connect to the master backend at 127.0.0.1:6543 (hostname: pvr).
> Is it running?
>
> I get this whether I'm forwarding that port on my router or not.  I 
> have configured mythtv-setup's backend settings and mythfrontend's 
> setup both to point to the backend on my htpc.  I've tried it by 
> hostname and by IP address (I can connect from the server to the htpc 
> just fine by either hostname or IP).
>
> Now, unless I'm missing something, the master backend address in the 
> error above should be showing the ip address of the htpc and not the 
> loopback address of anything.  The master backend on the htpc is 
> running btw.  I can connect to mythweb running on the htpc from within 
> my lan just fine.  I want to be able to connect to mythweb running on 
> the server from the Internet.
>
> And here's a funky piece of information that confuses me more.  If I 
> forward port 6543 on my router to my htpc, a port scan on my domain 
> shows that port open.
>
>> nmap my.domain
>>
>> Starting Nmap 5.00 ( http://nmap.org ) at 2010-09-14 09:27 MDT
>> Interesting ports on xxx-xxx-xxx-xxx.albq.qwest.net (xxx-xxx-xxx-xxx):
>> Not shown: 995 closed ports
>> PORT     STATE    SERVICE
>> xxx/tcp   open     xxxxxx
>> xxx/tcp   open     xxxxxx
>> xxx/tcp   open     xxxxxx
>> 6543/tcp open     mythtv
>
> If I forward that port to my web server, it does not show up in a 
> basic port scan:
>
>> # nmap my.domain
>>
>> Starting Nmap 5.00 ( http://nmap.org ) at 2010-09-14 09:27 MDT
>> Interesting ports on xxx-xxx-xxx-xxx.albq.qwest.net (xxx-xxx-xxx-xxx):
>> Not shown: 996 closed ports
>> PORT     STATE    SERVICE
>> xxx/tcp   open     xxxxxx
>> xxx/tcp   open     xxxxxx
>> xxx/tcp   open     xxxxxx
>
> Those scan are all taken with firewalls down.
>
> Does this look familiar to anybody?
>
> Any ideas?
>
> Mark
>    
Okay, I just read my own post and it appears that when I forward the 
port to my server, it is one of 996 closed ports. I have no idea how to 
open that port up. Again, no firewall and iptables on the server is stopped.

I still don't know.

Mark

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