GnuTLS "Error in the pull function" : cannot establish connection with VPN server

Nikos Mavrogiannopoulos n.mavrogiannopoulos at
Sat Jan 16 09:22:15 PST 2016

On Fri, 2016-01-15 at 16:15 +0000, Pawel Stankowski wrote:
> Hello open-connect developers,
> e is the output I got (after upgrade to Ubuntu 15.10):
> # openconnect --version
> OpenConnect version v7.06
> Using GnuTLS. Features present: PKCS#11, RSA software token, HOTP
> software token, TOTP software token, DTLS
> past at past-ubuntu:~$ 
> # openconnect -v <VPN IP>
> POST https://<VPN IP>
> Attempting to connect to server XX.XX.XX.XXX:443
> SSL negotiation with <VPN IP>
> SSL connection failure: Error in the pull function.

This is most likely a networking error. You can check the connection
status with wireshark, and/or set GNUTLS_DEBUG_LEVEL=6 for more



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