Hi,

another issue. 
Same configuration:

xrdp-server from git://github.com/FreeRDP/xrdp.git (self compiled)

with OS opensuse12.3 and xorg-x11-Xvnc (TigerVNC) (compiled by distributor)


I am missing IPv6-support.


Are there patches which I could try?


Despite the lack of IPv6-support at the server-program 
there are some good news/experiences with IPv6.

The clients xfreerdp and rdesktop are able to use IPv6. 

That means: I can access a xrdp-server (ipv4-only) via 
NAT64/DNS64 from an IPv6-only-client. This works at least with xfreerdp and 
rdesktop.

But, there is a problem. If the Server dualstacked (because of other services) 
NAT64/DNS64 does not work anymore, because there is already a valid AAAA-Record.

In this situation only a ugly hack at server-site makes xrdp usable. 
(or an additionally DNS-Name without AAAA)

ncat -l -6  -p 3389 -c "ncat -4 localhost 3389"

This maps the ipv4-listen port to an ipv6-listen port. (only for one session)

butler:~ # netstat -anp | grep 3389
tcp        0      0 0.0.0.0:3389            0.0.0.0:*               LISTEN      
20374/xrdp          
tcp   260058      0 127.0.0.1:48213         127.0.0.1:3389          VERBUNDEN   
18243/ncat          
tcp       83  64828 127.0.0.1:3389          127.0.0.1:48213         VERBUNDEN   
18244/xrdp          
tcp        0  73872 2001:db8:4f01:0:2:3389  2a01:db8:24c:c168:60469 VERBUNDEN   
18034/ncat

Conclusion: 
RDP seems to be clean regarding literally IP-addresses inside the protocol.
IPv6-support is just a question of the listen-socket, 
and may be an additional command line option, 
like -4 -6 for forcing/refuse one of the protocols.

Regards,
Thomas Schäfer
 


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