occhigrigi wrote: > The only reason I'm using ultravnc viewer is what it supports user/password authentication against a windws domain. Otherwise i should have used the good old native vncviewer :-) > Going to try ssvncviewer as advised. The unix SSVNC viewer supports ultravnc mslogon. Note that the ultravnc mslogon password exchange protocol is extremely weak and the windows domain username and password can be recovered a few seconds. So it is a very good idea to use some sort of additional encrypted tunnel when using ultravnc mslogon (including when using the ultravnc viewer)