IPv6 adresses with specific port?

[ing.men...@gmail.com]

Hello,

I am trying to access an IPv6 PC running VNC server on a non-standard port.
Using TigerVNC Viewer on my PC throws the error "unable to resolve host by name. No such host is known." when trying the adress.

Is this an IPv6 adress error? Because the client (1.6.0) should be IPv6 compatible nowadays. Tons of programs have huge problems with the fact that IPv6 adresses are separated not by dots but by colons (for example 2001:981:74c:1:d5c2:2c54:3053:b6e5 ), but TigerVNC should now be able to resolve it.

The syntax says to use [adress][::port] as input. But like I said; I get the error "unable to resolve host by name" when doing this with an IPv6 adress.... :'(

Any help would be greatly appreciated!

Best regards,
Menno.

[ing.men...@gmail.com]

By the way, I find that if I use brackets ( [] ) around the adress I get the error 10051: "A socket operation was attempted to an unreachable network (10051)".

Surely I don't need an IPv6 adress just to connect to an IPv6 machine on the Internet? My ISP (like 99.1% of all of them) uses IPv4...

[Pierre Ossman]

I'm afraid you do. The IPv4 and IPv6 networks are entirely separate so
you need to have either a native connection, or some kind of tunnel.

Rgds
--
Pierre Ossman Software Development
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A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

[ing.men...@gmail.com]

Thank you, Pierre!
So I guess the answers are two fold:
For TigerVNC client itself to connect to an IPv6-adress you need to add brackets to that adress. E.G. [2001:981:74c:1:d5c2:2c54:3053:b6e5] . This isn't reflected in any of the materials I found, so if someone from the TigerVNC project could add this fact to the official materials/wiki it would greatly help futureproof that info. :)

And for the IPv6 *protocol* the answer is you can't just connect to it from IPv4 adresses. I've been reading up on how Windows handles this, but apart from a 6to4-adapter it doesn't really seem possible... And 6to4 is the other way around from what I need. Which is super dissapointing.

Oh well. I'll keep the client, as it at least is IPv6 ready. Now just wait 20 years for the world to be ready too! :\