[Samba] gnutls_handshake() failed on updating package index from sernet's https debian package repository

[Quirin Maier]

Hi,

anybody else having isssues on updating package index from sernet's https
debian package repostory? I'm on debian wheezy. 'apt-get update' results in:

W: Failed to fetch
https://download.sernet.de/packages/samba/4.1/debian/dists/wheezy/main/source/Sources
 gnutls_handshake() failed: A TLS warning alert has been received.

W: Failed to fetch
https://download.sernet.de/packages/samba/4.1/debian/dists/wheezy/main/binary-amd64/Packages
 gnutls_handshake() failed: A TLS warning alert has been received.

E: Some index files failed to download. They have been ignored, or old ones
used instead.