mythtv and bigpond router headace

[Tom Sparks]

--- On Thu Dec 9 20:03:56 GMT 2010, Paul Gear <paul at libertysys.com.au>  wrote:
>Hi Tom,

>It's going to take a bit more information to get to the bottom of your
>problem.

>On 09/12/10 17:43, Tom Sparks wrote:
>> I have an issue with my bigpond router

>Which make & model is it?
Thomson TG782T (software 8.2.3.8)

>> the following happens when I lest expected it (it could be days or
>> weeks after I confirmed it working)
>>
>> * the mythtv stops updating it's TV guide
>> * the dynamic dns server dose not get update with the IP address
>> changes and my free account get deleted if it is not upadted within 30
>> days

>As Scott suggested, using ddclient from the mythtv system is a more
>reliable, more debuggable solution.  DynDNS.com always recommend
>software clients over router-based clients.

I have a ddclient running on mythtv system

>> * my external web/ssh access failed to get forwarded to the mythtv
>> (times out)

>One possibility is that you're getting attacked by ssh brute-forcing
>worms (which try to crack user names & passwords by repeated guesses),
>and the router is simply blocking the port/IP after a certain number of
>attempts.  Rather than turning off the anti-DDoS feature in the router,
>suggested workaround is to a) forward a different port to the ssh port
>of the internal machine and b) use public key authentication only.

I currently use public key authentication for ssh access

it feels like it falls apart inside the telstra network from what traceroute reports
"
traceroute to <DNS name removed> (<IP address removed>), 30 hops max, 60 byte packets
 1  BigPond.BigPond (10.0.0.138)  6.714 ms  5.932 ms  5.468 ms
 2  172.18.208.9 (172.18.208.9)  44.903 ms  46.556 ms  49.225 ms
 3  172.18.66.194 (172.18.66.194)  50.411 ms  52.953 ms  54.228 ms
 4  172.18.239.137 (172.18.239.137)  56.578 ms  59.434 ms  60.727 ms
 5  Bundle-Ether10.chw48.Sydney.telstra.net (203.45.17.13)  63.511 ms  65.377 ms  67.572 ms
 6  Bundle-Ether6.chw-core2.Sydney.telstra.net (203.50.6.153)  69.894 ms  67.437 ms  69.637 ms
 7  Pos0-0-0-0.woo-core1.Brisbane.telstra.net (203.50.6.202)  75.917 ms  55.172 ms  55.585 ms
 8  Bundle-Ether1.woo9.Brisbane.telstra.net (203.50.44.10)  58.988 ms  59.986 ms  61.619 ms
 9  telstr745.lnk.telstra.net (203.45.53.242)  63.902 ms  66.337 ms  68.241 ms
10  * * *
11  * * *
12  * * *
13  * * *
14  * * *
15  * * *
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30  * * *
"


>> I have mythtv computer connected to a bigpond wireless router via the
>> ethernet cable (though it could be the WIFI network WPA timing out)

>Check /var/log/syslog on the mythtv system to see if there are wifi
>disconnects.

by the time I travel up to warwick to see the logs they have been deleted
must setup a cronjob to email the logs to me weekly

I have hard wired the computer to the router with a ethernet cable

>> ever time I conect to the network with a laptop, I can access the
>> internet, access the mythtv web interface, rsync the video to my laptop
>> I leave with everything working.....
>>
>> tom_a_sparks
>> "It's a nerdy thing I like to do"
>> PS: I have give up with bigponds tech support

>You and everyone else in the known universe.  :-)     Unless there is no
>other option, i always disrecommend Bigpond.

we would have been with iinet, if they could offer internet access at lightning ridge (on camp site), so we canceled our QLD one also, regret it now we are on a 24 months contract and they are removed the freezone area :(

>> PSS: I have no access to the router as it is in a different state

>If that is the case, it would be advisable to set up a VPN (i use
>OpenVPN) or an ssh port forward which would allow you to get to the
>router's internal interface securely via your external connection.

>Hope this has given you some ideas.

>Regards,
>Paul
tom_a_sparks
"It's a nerdy thing I like to do"