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Linuxhelp _ Technical Support _ ip problem

Posted by: Gary Apr 15 2009, 09:49 AM

I'm a linux newbie and am having trouble establishing a connection to a server which I built using Red Hat Enterprise. I set the server ip address as 192.168.0.100 and The other pc's are 192.168.0.2 & 192.168.0.4. From the server, I can ping the pc's on the network and I always get the correct response. But I can't ping the server from the pc's, the messages always either times out or I get a message say the host is unreachable. Is there a option set incorrectly or what am I missing?

Thanks

Gary

Posted by: michaelk Apr 15 2009, 04:41 PM

If a firewall is running it might be configured to ignore ICMP requests. Turn it off and then try again.

Posted by: JMx Apr 16 2009, 03:26 AM

As "root" you should be able to use command "arp -n" after a failed ping attempt... it you have the IP address and ARP in the cache being displayed, then the issue is most likely firewall.

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