What is output of iptables -L -v ? Eero
On Tuesday, March 5, 2013, Mahmood Naderan wrote: > > >check using netstat -tupln > [root@tiger mahmood]# netstat -tupln | grep vnc > tcp 0 0 0.0.0.0:5901 0.0.0.0:* > LISTEN 12185/Xvnc > tcp 0 0 0.0.0.0:6001 0.0.0.0:* > LISTEN 12185/Xvnc > tcp 0 0 :::6001 > :::* LISTEN 12185/Xvnc > > > >The easiest way to check if that is the problem is by trying to > >telnet to the appropriate port (ie :0 is 5900 :1 is 5901 ...) If it > >works from localhost but not from a remote it is iptables or another > >firewall. > [mahmood@tiger ~]$ telnet localhost:5900 > telnet: localhost:5900: Name or service not known > localhost:5900: Unknown host > [mahmood@tiger ~]$ telnet localhost:5901 > telnet: localhost:5901: Name or service not known > localhost:5901: Unknown host > [mahmood@tiger ~]$ telnet 127.0.0.1:5900 > telnet: 127.0.0.1:5900: Name or service not known > 127.0.0.1:5900: Unknown host > [mahmood@tiger ~]$ telnet 127.0.0.1:5901 > telnet: 127.0.0.1:5901: Name or service not known > 127.0.0.1:5901: Unknown host > [mahmood@tiger ~]$ > > > >if you've cofirmed the service has started on the target box > [mahmood@tiger ~]$ service vncserver status > Xvnc (pid 12185) is running... > > >the target box also needs an exception in IPTables for those ports. > From the output of iptables, are they open or close? > > > Regards, > Mahmood* > * > > if you've cofirmed the service has started on the target box start looking > at things between the boxes which would cause a timeout. i.e. Ports being > forwarded in the router to the target box. VNC needs a couple of these, > should be a full listing on portforward.com for what it uses along with a > listing of a good number of routers by make/model# with screenshots. the > target box also needs an exception in IPTables for those ports. > > >
