Take the 2-minute tour ×  I have installed Ubuntu 9.04 and am
having a problem that I can connect from the server to the
outside world but cannot connect to the server. I checked all of
the different firewall systems (firestarter, ufw, iptables,
etc.) and all are disabled. When I try to ssh, ping, etc. to the
server they all timeout.  I am running on a wireless network and
the router recognizes that the machine is connected to the
network (with the proper ip address) but even the router cannot
ping the server.  Any ideas?  share|improve this question  2
Answers 2  You have to ensure you are using your router's IP
address when trying to access an internal node. If you are
trying to ping the IP assigned to your server from your router,
that is an internal IP (something like and pinging that from
outside your router will do nothing, it will try to find the
node on the same network you are pinging from.  To ensure access
to your server, forward ports in your router to your server.
Port 22 must be opened and point