[Starlink] starlink and VPN

[Nils Andreas Svee]

Correct, and by design I believe, as TCP-in-TCP isn't really ideal.
The documentation points to tools such as [1] or [2] if TCP transport is absolutely necessary.

[1]: https://github.com/wangyu-/udp2raw
[2]: https://github.com/rfc1036/udptunnel

Best Regards
Nils

On Tue, Jan 21, 2025, at 22:27, Sebastian Moeller via Starlink 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...
>
>> 
>> 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
>>>> _______________________________________________
>>>> Starlink mailing list
>>>> Starlink at lists.bufferbloat.net
>>>> https://lists.bufferbloat.net/listinfo/starlink
>>>> 
>>> 
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