Question : Cannot ping Unbuntu Linux Machine Running on VMWare

Hi:

I just completed clean install of Ubuntu Linux 10.04 to run Nagios.  I have Nagios up and running properly and monitoring my windows servers.  I have a couple of questions that I can't seem to find the answer to:

1.  I cannot ping the Ubuntu VM from other machines on the same subnet.  I can ping the Host system from other machines on the same subnet.  I can also log on to the Ubuntu VM and ping all other machines on the local subnet.  I can also ping the Ubuntu VM from the VMWare host system.

2.  I have installed apache and the Nagios software is running correctly but I can't use a web browser to attach to the Nagios web page from other machines on my local subnet.  I wonder is this is related to my inability to ping the Ubuntu Linux machine.

Some things I have tried:

1.  Disable IPV6
2.  Check to make sure firewall is turned off.  I ran iptables -L and see no rules

I don't know what else to do at this point.  Any help you can provide will be greatly appreciated.

Thanks.

Mark Lee

Answer : Cannot ping Unbuntu Linux Machine Running on VMWare

Thanks all for your help.  I found out what my problem was.  I am running symantec on my host system and i thought i had turned off network threat protection but it was back on again.  Turned it off and all is well.

Thank you.

Mark