[Starlink] Re: Starlink and Iran

[Inemesit Affia <inemesitaffia@gmail.com>]

Sorry I've messed up the flow in my client

Jan 15, 2026 5:18:16 PM Inemesit Affia <inemesitaffia@gmail.com>:

> Jan 15, 2026 3:06:39 PM David Lang <david@lang.hm>:
> 
>> Inemesit Affia wrote:
>> 
>>> Jan 15, 2026 12:17:46 PM David Lang via Starlink <starlink@lists.bufferbloat.net>:
>>> 
>>>> Authorized or not, starlink service has been turned on in Iran, I would assume that D2C is enabled as well.
>>> 
>>> If it was enabled these people asking for it aren't in the group.
>> 
>> It's been publicly reported that Starlink is active.
> 
> I'm talking about direct to cell. That's what the letter is about. Starlink broadband has been available in Iran since at least Q4 2022.
> 
> 
>> 
>>>> Jamming the D2C signal is far easier than jamming the dishys, all you need is to have the towers running with a stronger signal. (the phones will connect to the tower with the strongest signal). It's also easier to jam the D2C satellites (wider beamwidth and fewer that need to be jammed)
>>> 
>>> True. Hopefully there are free bands somewhere.
>> 
>> D2C only operates on a single band.
> 
> I don't believe this is true
> 
> PCS G Block LTE band 25(1910-1915 MHz & 1990-1995 MHz) is T-Mobile's implementation
> 
> VMO2 1710-1716 UL /MSS  2170-2200 DL (Band 66)
> 
> Softbank 1975-1980 UL / MSS  2170-2200 DL (Band 65)
> 
> DoCoMo 1940-1945 UL / MSS  2170-2200 DL (Band 65)
> 
> KDDI  1920-1925 UL /  MSS 2170-2200 DL (Band 65)
> 
> The tech is capable of 1.6 GHz to at least 2.2 GHz from examples given here. That spans multiple LTE bands. I don't know what else it's capable of. If service is switched off or there are unallocated bands, then there's hope for urban use.
> 
>> 
>> 
>>>> I don't think they would need to get new sims, esims, etc in place, they just need to instruct the satellites to accept any sim rather than only authorized sims.
>>> 
>>> I just don't think this will work. Authorization free 4G.
>> 
>> Why not? just hard code success for the authorization step.
> 
> From what I retained from seminars around the introduction of 4G, the SIM authenticates the network and the network authenticates the Sim using a key stored in the SIM's HSM.
> 
> 911/112 of course excepted
> 
>> 
>> 
>> 
>>>> In terms of tracking/jamming the dishys normal signal, I think it would be easier to track/jam their wifi signal, those default to SSID STARLINK and will be in a known MAC range. disabling wifi and only working with a wired connection is going to be much safer (admittedly, less convienient, but when they are threatening to kill you if you use a dishy, you should batch upload via a wired connection, not try to livestream the protests, at least, not unless you are truely mobile)
>>> 
>>> I've suggested not using the Wi-Fi router at all. Any phone scanner would probably tell you it's a starlink. SpaceX should change the BSSID's too
>> 
>> The SSID can be set by the user, the MAC address is hard-coded
>> 
>> David Lang
> 
>> 
> MAC's can be changed in software. I've done it on Windows XP and 7 ages ago with smac. I'm sure it's doable on Linux. I remember doing similar with HOSTAPD. 
> 
> Remember how devices rotate MAC addresses for privacy? That requires a method for changing them. It's not like the ROM is overwritten. Once the device is reset, it will go back to default.
> 
> 
>>