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H A D | qemu.sasl | c6a9a9f5 Wed Mar 15 06:53:22 CDT 2017 Daniel P. Berrange <berrange@redhat.com> Default to GSSAPI (Kerberos) instead of DIGEST-MD5 for SASL RFC 6331 documents a number of serious security weaknesses in the SASL DIGEST-MD5 mechanism. As such, QEMU should not be using or recommending it as a default mechanism for VNC auth with SASL. GSSAPI (Kerberos) is the only other viable SASL mechanism that can provide secure session encryption so enable that by defalt as the replacement. If users have TLS enabled for VNC, they can optionally decide to use SCRAM-SHA-1 instead of GSSAPI, allowing plain username and password auth. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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