[Cialug] Ubuntu 9.04 udate

[Kevin C. Smith]

Tom Sellers wrote:
> The day before yesterday I upgraded my workstation running 8.10 version of Ubuntu to the new 9.04 version.  Everything seemed to have gone fine and the workstation functions normally it seems.  However, when I try to ping this workstation from any other workstation it does not respond.  I can ping out from that workstation to others and that works fine.  
> 
> This workstation did not exhibit this problem under the older 8.10 version.
> 
> Is there something new in this version that would cause this?  If this were a Windows machine I would suspect the firewall.  Is there a firewall in this version of Ubuntu?  I have not located it if it is there.
> 
> Any ideas?

Try:

sudo iptables -L

to see if the firewall is up.


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