Re: FESCO request to revert password confirmation change in F22

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> I have no
> clue why VNC passwords are limited/truncated to eight characters, but it
> seems like that limitation makes the protocol not worth supporting at
> all, let alone worth promoting in System Settings.

The only VNC authentication mechanism standardized in RFC 6143 uses the password as a DES key, which limits it to 8 (7-bit) bytes.

The VNC protocol can, however, support several different kinds of authentication, and several have been defined as vendor extensions.  See e.g. http://sourceforge.net/p/tigervnc/code/HEAD/tree/rfbproto/rfbproto.rst#security-types .

Restricting to non-standard authentication types, would, of course, impact interoperability.
    Mirek
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