Error when viewing HTTPS pages with a browser using GnuTLS

Matthew Carter jehiva at
Wed Mar 28 15:17:25 CEST 2012

Hi Daniel,

Thanks for the reply.

You can see an occurrence of the first error at:

you can also see a similar error ("SSL Handshake Failed") via:

The failure is consistent with both the vimprobable2 browser and using
the gnutls-cli to connect (same error message in output in both cases).

I would guess it is an IIS issue as both sites are running IIS 6.0.


On Tue, Mar 27, 2012 at 10:25:49PM -0400, Daniel Kahn Gillmor wrote:
> On 03/27/2012 02:15 PM, Matt Carter wrote:
> > I am receiving the following error when viewing some HTTPS pages with a
> > browser that implements GnuTLS (vimprobable2 on Arch Linux GNU/Linux
> > distribution):
> > 
> > Error reading data from TLS socket: A TLS packet with unexpected length was
> > received.
> > 
> > This error came up originally about 2 months ago, then left after a week or
> > two in a subsequent GnuTLS update.  Recently it has re-appeared in version
> > 3.0.17.
> Thanks for the report.  Are these failures consistent with any
> particular web servers?  If the web server in question that is causing
> the error is on the public internet, could you identify it specifically?
> Barring that, could you try running gnutls-cli to get more detailed
> debugging output?
> Do you know what priority string vimprobable2 is using with GnuTLS?
> 	--dkg

Matthew Carter
jehiva at

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