nixCraft

ricc · #1 (**permalink**) 10-31-2005, 10:45 AM

I had set up 2 PC's with Linux and was trying to learn somethings from them. I loaded RH9 in one and SuSE 9 Pro in the other.

I can ping the RH9 box from the SuSE 9 box. But I am unable to ping the SuSE box from the RH9 box. First I thought that the firewall could be blocking it, so I flushed the firewall rules by issuing the command - iptables -F. This even disables the replies from localhost.

.

What could be the problem. I am just so new, I just can't figure out what to do.

I would also like to know, if there are any utilities available in Linux to test out the NIC ports. There are utilities ( dos based ) for the NIC cards, which can do a network diagnostics(these depend on the make and model of the card) I doubt if there are any such utilities available for Linux.

ricc

#2 (**permalink**) 11-01-2005, 10:16 AM

Try command one by one at command prompt:

Code:

iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT

nixcraft · #3 (**permalink**) 11-01-2005, 10:50 AM

You may need to disabling SUSE Firewall

- Open YaST | Security and Users | Firewall
- Select the "Stop Firewall Now" button

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Unable to ping from SuSE Server

Unable to ping from SuSE Server

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