On 03.05.2012, at 10:57, Daniel P. Berrange wrote: > On Thu, May 03, 2012 at 10:51:15AM +0200, Alexander Graf wrote: >> >> On 03.05.2012, at 10:29, Daniel P. Berrange wrote: >> >>> On Wed, May 02, 2012 at 03:32:56PM -0400, Paul Moore wrote: >>>> FIPS 140-2 requires disabling certain ciphers, including DES, which is used >>>> by VNC to obscure passwords when they are sent over the network. The >>>> solution for FIPS users is to disable the use of VNC password auth when the >>>> host system is operating in FIPS mode. >> >> So that means "no password" is more secure according to FIPS than >> "DES encrypted password"? > > No, FIPS is not making statements about the choice of auth methods. > FIPS is concerned with what encryption algorithms an application uses. > The requirements about whether authentication is required & what sort, > is upto other specifications (eg Common Criteria) to decide.
Hrm, so short-term this fixes things. But long-term, I think the better solution would be to implement the tight security model and use a real cipher: http://www.tigervnc.org/cgi-bin/rfbproto#tight-security-type Alex
