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Re: XDMCP Core 3



On Thu, 2005-01-20 at 00:28, Alan Cox wrote:
> On Wed, Jan 19, 2005 at 10:43:33PM +0000, Jonathan Andrews wrote:
> > Is XDMCP, remote X bust in core 3 ?
> > 
> > I've tried the gui configuration for tool gdm. The machine has no
> > firewall enabled - all I get the "gdm_child_action: Aborting display
> > jonspc:1" in the log ?
> 
> Turn on gdm debug. Get traces.
> 
> > remote greeter then it should work, its getting a bit rarer - but it
> > ain't dead yet !
> 
> Works for me with FC *but* I've had horrible problems if you get any
> forward/reverse DNS mismatchs

That was it ! Many thanks :-)

The name resolver behaviour must have changed between core 2 and core
3?  Im using dnsmasq for the LAN, the server configuration is unchanged
- it was working against RH9,core1 and core 2 !

http://thekelleys.org.uk/dnsmasq/doc.html

I don't understand this nameresolver problem.  Dig and nslookup say all
is fine, but ping says no - unless the name has an extra "."

I don't expect a tutorial, but which end is wrong, the name resolver
client in core 3 or the masqurading dns server ?

Cheers,
Jon


[root localhost ~]# dig jonspc

; <<>> DiG 9.2.4 <<>> jonspc
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62171
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;jonspc.                                IN      A

;; ANSWER SECTION:
jonspc.                 0       IN      A       10.10.10.5

;; Query time: 1 msec
;; SERVER: 10.10.10.80#53(10.10.10.80)
;; WHEN: Thu Jan 20 00:46:41 2005
;; MSG SIZE  rcvd: 40

[root localhost ~]# ping jonspc
ping: unknown host jonspc

[root localhost ~]# ping jonspc.
PING jonspc (10.10.10.5) 56(84) bytes of data.
64 bytes from jonspc (10.10.10.5): icmp_seq=0 ttl=64 time=0.126 ms
64 bytes from jonspc (10.10.10.5): icmp_seq=1 ttl=64 time=0.176 ms

--- jonspc ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 999ms
rtt min/avg/max/mdev = 0.126/0.151/0.176/0.025 ms, pipe 2
[root localhost ~]# nslookup jonspc
Server:         10.10.10.80
Address:        10.10.10.80#53

Name:   jonspc
Address: 10.10.10.5

[root localhost ~]# 




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