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Thread: Hard coded DNS settings for plugin download / software updates?

  1. #16

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    Quote Originally Posted by birdman View Post
    Why not just configure the box to use those cacheing resolvers instead?
    Then the request to 8.8.8.8 will get to Google.
    Intercepting queries when you can direct them at source seems a little perverse.
    If you mean my E2 machine, that does not live on my main network it lives on a VLAN where all the hosts on that particular network route out via a VPN (in my case Nord). The E2 machine needs to use Nords DNS servers, pointing it at my own defeats the purpose as that DNS config will leak. So that will never fly I'm afraid, what with the whole point of setting it up like this being anonymity.

    Yes, on my main LAN I do redirect any queries to google public DNS to my own servers, but that isn't influencing what is going on here in any way. It may seem perverse to you, but as I said in my original post I do this for a valid reason. There is no control of DNS settings on google devices (they ignore what is given to them via DHCP/SLAAC and always use google public DNS), I have a requirement for them to use my DNS servers first.

    Besides, from looking at the openvix code this isn't really a "DNS" issue as such. There are no lookups involved, it is just the internet connectivity check connects to 8.8.8.8 on port 53. I'm just pointing out that there are possible scenarios where this won't work.

    I will leave it at that as in my case I can (and have) fix it on my router.

  2. #17
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    Quote Originally Posted by Morini View Post
    The E2 machine needs to use Nords DNS servers, pointing it at my own defeats the purpose as that DNS config will leak. So that will never fly I'm afraid, what with the whole point of setting it up like this being anonymity.
    Thanks for the explanation.

    Besides, from looking at the openvix code this isn't really a "DNS" issue as such. There are no lookups involved, it is just the internet connectivity check connects to 8.8.8.8 on port 53. I'm just pointing out that there are possible scenarios where this won't work.
    It's a simple check for "can I get out to an external system on the Internet?". Difficult to thing of a totally generic one that can't be defeated by any end-user set-up.
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  3. #18

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    Quote Originally Posted by birdman View Post
    Difficult to thing of a totally generic one that can't be defeated by any end-user set-up.
    This is very true.

  4. #19
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    Or provide an option for people to set a different IP.

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    Morini (24-03-24)

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    Quote Originally Posted by abu baniaz View Post
    Or provide an option for people to set a different IP.
    The ip should be the feeds address like it always was because the check is only related to the feeds.
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  7. #21
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    Agreed. But if the connectivity checks is for other functions, then openvix being temporary down, eg server upgrades, should not result in receiver thinking that it has no internet access.

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    Huevos (24-03-24)

  9. #22
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    That check is used in online update and plugin browser only.
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    abu baniaz (24-03-24)

  11. #23

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    Sorry to resurrect this thread again, but I can't download plugins today. I've checked via ssh the box is connected to the internet and it can reach 8.8.8.8 port 53

    Code:
    root@gbue4k:~# nslookup www.cloudflare.com 8.8.8.8
    Server:         8.8.8.8
    Address:        8.8.8.8:53
    
    Non-authoritative answer:
    Name:   www.cloudflare.com
    Address: 2606:4700::6810:7c60
    Name:   www.cloudflare.com
    Address: 2606:4700::6810:7b60
    
    Non-authoritative answer:
    Name:   www.cloudflare.com
    Address: 104.16.124.96
    Name:   www.cloudflare.com
    Address: 104.16.123.96
    A packet capture isn't giving any clues as to why the check thinks my box isn't connected to the internet. Any ideas?

  12. #24
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    Quote Originally Posted by Morini View Post
    Sorry to resurrect this thread again, but I can't download plugins today. I've checked via ssh the box is connected to the internet and it can reach 8.8.8.8 port 53

    Code:
    root@gbue4k:~# nslookup www.cloudflare.com 8.8.8.8
    Server:         8.8.8.8
    Address:        8.8.8.8:53
    
    Non-authoritative answer:
    Name:   www.cloudflare.com
    Address: 2606:4700::6810:7c60
    Name:   www.cloudflare.com
    Address: 2606:4700::6810:7b60
    
    Non-authoritative answer:
    Name:   www.cloudflare.com
    Address: 104.16.124.96
    Name:   www.cloudflare.com
    Address: 104.16.123.96
    A packet capture isn't giving any clues as to why the check thinks my box isn't connected to the internet. Any ideas?
    Anything in debug log when you try to download?
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  13. #25

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    Quote Originally Posted by twol View Post
    Anything in debug log when you try to download?
    Where do I find that?

  14. #26
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    Quote Originally Posted by Morini View Post
    Where do I find that?
    In System menu, set up debug logs. Then simulate the problem and afterwards download the log from the box.
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  15. #27

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    I am getting connection refused

    < 49.771711> [OnlineUpdateCheck][adapterAvailable] PASSED
    < 49.772510> [OnlineUpdateCheck][NetworkUp] FAILED <class 'ConnectionRefusedError'>

    I don't really understand why though as the box can reach 8.8.8.8 and I'm getting answers to DNS lookups as well.

  16. #28

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    And suddenly it's started working. I went to turn the debug logging off and the box restarted the gui. Went to give it one last go and it's all fine.

    I have no clue what's going on here?

  17. #29
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    Quote Originally Posted by Morini View Post
    And suddenly it's started working. I went to turn the debug logging off and the box restarted the gui. Went to give it one last go and it's all fine.

    I have no clue what's going on here?
    Debug logs : I run with debug logs all the time, and it has no impact on my wifes viewing - so not a big overhead.
    Gigablue Quad 4K & UE 4K
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    ------------------> GT-Sat unicable LNB to 1.5M dish(28.2E)
    ------------------> Gigablue unicable LNB to 80 cm dish(19.2E)
    .......................
    Vu+ Uno4KSE, Dreambox dm900
    AX HD61, Edision Osmio 4K+, Zgemma H9Combo, Octagon SF8008 , gbtrio4k, h9se using unicable ports
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  18. #30

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    Quote Originally Posted by twol View Post
    Debug logs : I run with debug logs all the time, and it has no impact on my wifes viewing - so not a big overhead.
    Ah, ok, that's good to know. Next time I need to turn it on I will leave it on. I can't really tinker any more at the moment as the family are watching TV.

    As to this weird unexplained failed internet connectivity check, I'm going to bury my head in the sand and pretend it never happened!

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