DTLS handshake failed: Error in the push function

Daniel Lenski dlenski at gmail.com
Sun Jun 5 11:10:35 PDT 2022


On Sun, Jun 5, 2022 at 10:04 AM Fourhundred Thecat <400thecat at gmx.ch> wrote:
> when I connect with openconnect, I am getting these errors:
>
> DTLS handshake failed: Error in the push function.
> (Is a firewall preventing you from sending UDP packets?)

What version of OpenConnect? `openconnect --version`

> the connection works, but I suspect the firewall is blocking udp packets
>
> Can I et rid of the error messages?
> Can I, for instance, specify to connect tcp only?

Yes, use the `--no-dtls` flag. https://www.infradead.org/openconnect/manual.html



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