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Today's Topics:
1. Re: ebay cameras (Harlan Daneker)
----------------------------------------------------------------------
Message: 1
Date: Mon, 15 Jan 2024 11:42:41 -0500
From: Harlan Daneker <hdane...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] ebay cameras
Message-ID:
<CAC1WkiQ7nK73syCi_E5=EOwSsh7porjOVW3_=ceqkdkkdux...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
"ipv4 packet forwarding is controlled by the value of /
*proc/sys/net/ipv4/ip_forward*; 0 or 1"
My one question would be does this still hold true when you are using
NetworkManager?
On Mon, Jan 15, 2024 at 11:11?AM chuck elliot <c.ell...@pobox.com> wrote:
> In the Linux kernel, ipv4 packet forwarding is controlled by the value of
>
> */proc/sys/net/ipv4/ip_forward*; 0 or 1 for disable and enable
> respectively.
>
> I don't know if this value can be altered via a GUI tool but you would need
>
> do it as *root*. GUIs normally warn against root logins.
>
> Of course the interfaces need to be set on different IP networks e.g.
>
> A set to 192.168.1.1/24 (physically connected to local LAN)
>
> and
>
> B set to 192.168.2.1/24 (physically connected to camera only)
>
> although the host will have routes set for both networks and both are
>
> accessible from the host, it will only forward packets between them if
> */proc/sys/net/ipv4/ip_forward=1*
>
> thus isolating the camera from any other host.
>
> Regards.
>
>
>
> On 15/01/2024 1:22 pm, Harlan Daneker wrote:
>
> Exactly, we are not talking about devices that some company has
> programmed. This is a Fedora Linux desktop so unless the people that make
> the kernel are doing something devious it doesn't forward pack
> *DuckDuckGo* did not detect any trackers. More
> <https://duckduckgo.com/email/report#RFVDSzI.G4sBIBwHdqPP1dgDwfgzEjNrTWV_VhcAhepU8UHugZMChlux6AyeYxxrUj_xFoVRdI3SGR441U3EAV7il7KDt97_QiizxIjAqoxi4oWfqjChsw8KrxAmuJs4IbsQRCrgIgs4Qh0SC37_ED4eBu7ZLwcDsjsz2DkkFEqh0oQQyUSIl5b6yqmWtu0OmkGZRQGjnNHDrqO8RPNHt9-1Q6c7-EMSym0fKDqTyTNTcfeklo7C5ewTRwkg6zkT9cKxql-1WeXoTe7z8ZbV1C4vVMp5MU7Tux-l2RFQwhIeTkDXMvHW8Ns2RJzGHw>
> Unable to verify sender identity
> Report Spam
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> Exactly, we are not talking about devices that some company has
> programmed. This is a Fedora Linux desktop so unless the people that make
> the kernel are doing something devious it doesn't forward packets. *"There
> might be a conspiracy to forward packets from my cameras to China with port
> forwarding using unrelated operating systems, that is the direction this
> conversation is heading."* A closed network is closed unless
> NetworkManager is doing something I'm not aware of, I've never liked
> NetworkManager. The old way was easier to set up a server and it even had a
> gui for multiple network cards and port forwarding, but it wasn't automatic
> and you had to do something before you could connect to anything. That
> being said, comments about NetworkManager could be useful to me and others.
> Somewhere I read it had 300,000 lines of code.
>
> On Mon, Jan 15, 2024 at 4:52?AM chuck elliot <c.ell...@pobox.com> wrote:
>
>> 'true but your light still needs a route to the Internet.
>>
>> This guy's camera is effectively on an isolated LAN. Unless his computer
>> is configured
>>
>> to forward packets between its interfaces , packets from the camera will
>> not reach the Internet
>>
>> and packets from the Internet will not reach his camera.
>>
>>
>> On 15/01/2024 1:47 am, Justin Alcorn wrote:
>>
>> IoT devices don't need port forwarding. They open up a connection to
>> their command and control server, and leave it open, allowing the C&C
>> server to send commands. That's how all your smart lights wor
>> *DuckDuckGo* did not detect any trackers. More
>> <https://duckduckgo.com/email/report#RFVDSzI.G3QBIByFjWO5GvtDGP1bKxlENaeymdVJAUDIqgDeF_i-gOFWLDqD5xjHGvlsPV2jaPo3aumdmzCCruhKsOlGd09frJwKUQL9b0-TXXrIz3oqyQ0Q3pF8c8_3BylmASoQsAsMpE5FLb9_yGdR2kt6VI6Oetyt6JTyIzVpLSvqDdwsVBQwRVvqRSa0AdF4rHaqplXNm_zhTLJShPZs8J9UHKEt6a7MWdciiAJW2RyzXCHdy6s1cgNn8HCry_I8XJ9QWmPXL8N7HrVRAGpVox-iL-uiy1zfd0PEr_wB>
>> Report Spam
>> <https://duckduckgo.com/email/report-spam#RFVDSzI.G3QBIByFjWO5GvtDGP1bKxlENaeymdVJAUDIqgDeF_i-gOFWLDqD5xjHGvlsPV2jaPo3aumdmzCCruhKsOlGd09frJwKUQL9b0-TXXrIz3oqyQ0Q3pF8c8_3BylmASoQsAsMpE5FLb9_yGdR2kt6VI6Oetyt6JTyIzVpLSvqDdwsVBQwRVvqRSa0AdF4rHaqplXNm_zhTLJShPZs8J9UHKEt6a7MWdciiAJW2RyzXCHdy6s1cgNn8HCry_I8XJ9QWmPXL8N7HrVRAGpVox-iL-uiy1zfd0PEr_wB>
>> IoT devices don't need port forwarding.
>>
>> They open up a connection to their command and control server, and leave
>> it open, allowing the C&C server to send commands. That's how all your
>> smart lights work - your smartphone app tells the server to turn off the
>> light, and the light reaches out and says 'do you have a command for me'
>> every second or two, and then turns off.
>>
>> The problem is when the C&C server gets compromised and bad guys start
>> sending different commands.
>>
>> --
>> Justin B. Alcorn
>> The views expressed are not necessarily my own, much less anyone else's
>> PGP Fingerprint CCEB F776 C3FD 1050 C8DB 532E B8B9 BED7 7764 406C
>>
>>
>> On Sun, Jan 14, 2024 at 1:11?PM Harlan Daneker <hdane...@gmail.com>
>> wrote:
>>
>>> Unless you know something I am unaware of, port forwarding must be set
>>> up with iptables so by default it would not forward anything.
>>>
>>> On Sun, Jan 14, 2024 at 12:26?PM Justin Alcorn <jus...@jalcorn.net>
>>> wrote:
>>>
>>>>
>>>>
>>>> On Sat, Jan 13, 2024 at 9:28?PM Harlan Daneker <hdane...@gmail.com>
>>>> wrote:
>>>>
>>>>> They are on a separate network card on the computer with its own
>>>>> static ip address and there isn't any gateway. So if there is a way to
>>>>> connect to the internet you will have to tell me how it could happen.
>>>>>
>>>>
>>>> This is the way.
>>>>
>>>> (As long as forwarding is disabled on the computer)
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>>>
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>>
>>
>>
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>
>
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>
>
>
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>
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