[Starlink] starlink and VPN

[David Lang]

Sebastian Moeller wrote:

> Hi David,
>
>> On 21. Jan 2025, at 16:22, David Lang via Starlink <starlink at lists.bufferbloat.net> wrote:
>>
>> b. angel wrote:
>>
>>> David,
>>>
>>> I gave up on open VPN and starlink a while ago. I've implemented wireguard
>>> tunnels with success and reliability.
>>
>> did you end up having to do anything with MTU? Did you use TCP or UDP for your transport?
>
> Wireguard itself only allows UDP IIRC, you would need an additional outer TCP tunnel if you want/need TCP on the outside...

I agree UDP is preferred, I'm just trying to figure out what has successfully 
worked. In my google searches yesterday I saw posts from Starlink saying that 
they don't block VPNs (but won't help troubleshoot) and a lot of people saying 
that they didn't work

David Lang


>>
>> David Lang
>>
>>> Keith
>>>
>>> On Mon, Jan 20, 2025, 23:25 David Lang via Starlink <
>>> starlink at lists.bufferbloat.net> wrote:
>>>
>>>> has anyone done any work with openvpn over starlink (especially if they
>>>> got the
>>>> connectors to completely bypass the router)?
>>>>
>>>> I've got the basic connectivity working, but am having problems trying to
>>>> get
>>>> openvpn to work (especially for traffic back through the cgnat to the
>>>> router on
>>>> the starlink side)
>>>>
>>>> the logs on the client are reporting link local: (not bound) when trying
>>>> UDP,
>>>> when I try TCP (and clamp the mtu low) I can connect from the starlink
>>>> side (st
>>>> least sometimes) but cannot get the routing the other way to work
>>>>
>>>> David Lang
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>>>> https://lists.bufferbloat.net/listinfo/starlink
>>>>
>>>
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>
>