close 754960 0.7.2-2 thanks As of 0.7.2-2, GnuTLSPriorities works as expected. furthermore, SSLv3 is disabled by default in the underlying gnutls library.
So the following directive is sufficient to disable SSLv3 and TLS 1.0: GnuTLSPriorities NORMAL:-VERS-TLS1.0
