xdmcp in 10.04

[e_defranco]

Hi,

I have just installed the new version 10.04 of xubuntu but I cannot enable xdmcp.

1) the gdm.conf (usualy in /etc/gdm/) is missing (where is now this file?);
2) the custom.conf apparently don't work;
3) the remote tab in login windows are missing

Please there are some people that can help me ?

Thank in advance,

Emilio

[e_defranco]

Auto answer (sic) !!!

Partialy resolved
=================

xdmcp work if you setup /etc/gdm/custom.conf as follow:

[daemon]
User=gdm
Group=gdm


[security]
DisallowTCP=true

[xdmcp]
Enable=true
DisplaysPerHost=2
HonorIndirect=false
MaxPending=4
MaxSessions=16
MaxWait=30
MaxWaitIndirect=30
PingIntervalSeconds=60
Port=177

[greeter]

[chooser]
Multicast=false

[debug]
Enable=false

I have also activated vnc4server.

But, for some strange reason I cannot connect to my pc with a Xming (all working fine if I connect my pc from another linux box with xserver).

When I try to connecnt my 10.04 linux box with xming the xming crash !!!

But if i connect whit the same pc and the same xming client to another xubuntu 8.04 all working fine ...

I suspect that the problem is the new gdm 2.30 ... I am reading that there is no interrest to resolve old problem inside the gdm package related to xdmcp ...

If other people have other ideas about xming crash ... I am here

Emilio

[e_defranco]

Ok, all working fine upgrading xming to the version 6-0-9-31

Emilio

[cszikszoy]

Thank you very, very much! Works perfectly.

[iron_horseman]

Wow that solution worked pretty good for me too, but how secure is it?

[Kangarooo]

Would there be later a gui way to do it?

[vasm]

Auto answer (sic) !!!

Partialy resolved
=================

xdmcp work if you setup /etc/gdm/custom.conf as follow:

[daemon]
User=gdm
Group=gdm


[security]
DisallowTCP=true

[xdmcp]
Enable=true
DisplaysPerHost=2
HonorIndirect=false
MaxPending=4
MaxSessions=16
MaxWait=30
MaxWaitIndirect=30
PingIntervalSeconds=60
Port=177

[greeter]

[chooser]
Multicast=false

[debug]
Enable=false

I have also activated vnc4server.

But, for some strange reason I cannot connect to my pc with a Xming (all working fine if I connect my pc from another linux box with xserver).

When I try to connecnt my 10.04 linux box with xming the xming crash !!!

But if i connect whit the same pc and the same xming client to another xubuntu 8.04 all working fine ...

I suspect that the problem is the new gdm 2.30 ... I am reading that there is no interrest to resolve old problem inside the gdm package related to xdmcp ...

If other people have other ideas about xming crash ... I am here

Emilio

Hello!
I did the same actions with my Ubuntu 10.04 system, and even rebooted it. But XDMCP is apparently not working normally. Here is the output of the netstat utility:

root@server:~# netstat -atnup | grep 177
udp6       0      0 :::177                  :::*                                4146/gdm-binary

There is no IPv6 protocol in my network. How do you turn IPv4 listening on your system?

[jmagilto]

Thanks! This was perfect!

[semidark]

Hi Vasm,

had the same problem with ipv6 and GDM.

I disabled IPv6 via the Kernel Boot Parameters:

I added "ipv6.disable=1" to the Config Line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" in /etc/defaults/grub.

$ grep -i ipv6 /etc/default/grub 
GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 quiet splash"

Then updated grub via the command "sudo update-grub" and rebooted.

Now gdm listens on the UDP in IPv4.

$ sudo netstat -tuanp |grep gdm
udp        0      0 0.0.0.0:177             0.0.0.0:*    607/gdm-binary

Semidark

[ls_venkat]

Install XDM and configure xdm-config. Gdm will not work for Xdmcp in 10.04 LTS