[CentOS] Reg. VNC server and Windows and Centos interworking
Johnny Hughes
johnny at centos.org
Sat Feb 23 11:27:51 UTC 2008
Padmaja wrote:
> Hi,
>
> Thanks for such a fast response. I typed vncserver at the command line
> and it asked me for a password. It said I would require password to
> enter the desktop. I did not set any before so gave some dummy password.
> It again showed Verify and I typed the same password again. Then the
> screen showed something like
>
> for user padmaja, the startup script is in /home/padmaja/.vnc/Xstartup
> the startup applications are in /home/padmaja/.vnc/Xstartup
> the log file is in /home/padmaja/.vnc/sipserver.com.log
>
> After this I typed ps aux and saw that there is a Xvnc running againt
> pid 11435.
>
> Now, I tried to connect to the Centos PC from Windows using Vnc client
> and it gave the error
>
> "unable to connect to host: connection refused (10061)."
>
> I cant understand what the issue is. I am however able to connect to
> Windows PCs from VNC on windows.
Please don't top post :)
Look and see if the iptables firewall in running on the CentOS box, if
so you will need to open the correct port to connect from an external
machine.
=================================================================
as root do the command: service iptables status
if it says anything other than this, iptables is running:
1st Possibility:
Firewall is stopped.
Second Possibility:
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Both of those outputs mean the firewall is not running.
If there is something like this, the firewall is running:
Chain RH-Firewall-1-INPUT (2 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT icmp -- anywhere anywhere icmp any
ACCEPT ipv6-crypt-- anywhere anywhere
ACCEPT ipv6-auth-- anywhere anywhere
ACCEPT all -- anywhere anywhere state
RELATED,ESTABLISHED
ACCEPT tcp -- anywhere anywhere state NEW
tcp dpt:ftp
ACCEPT tcp -- anywhere anywhere state NEW
tcp dpt:ssh
ACCEPT tcp -- anywhere anywhere state NEW
tcp dpt:http
ACCEPT tcp -- anywhere anywhere state NEW
tcp dpt:rsync
ACCEPT tcp -- anywhere anywhere state NEW
tcp dpts:6881:6899
REJECT all -- anywhere anywhere reject-with
icmp-host-prohibited
=================================================================
How you will open up the firewall (if it is running) depends on if both
machines are behind a firewall or touching the internet ... whether you
want to ONLY connect from one machines or 1 subnet to this machine via
VNC (remember that VNC, by itself is NOT secure, and I would not connect
or open standard VNC across the internet).
<snip>
Thanks,
Johnny Hughes
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