How to configure port forwarding on a dedicated server running CentOS 5.4 to use Ubuntu 9.0.4

The basic situation that I have is a dedicated server running CentOS 5.4 for the moment I have a virtual machine running Ubuntu 9.0.4. Later, I want to add a virtual computer that is running Windows Server 2003, but right now I focus on the implementation and running Ubuntu.

The installation of Ubuntu works very well, but I am seriously struggling to get the port forwarding so I can visit the Web sites to be hosted on the Ubuntu VM. As a newbie on Linux, I am confused about the relationship between IPTables and VMWare own port forwarding.

Here's what I've tried so far.

My server's IP address is xxx.xxx.xxx.xxx, provider support told me that the subnet mask is 255.255.255.0, gateway address is xxx.xxx.xxx.1 and the network address is xxx.xxx.xxx.0. (These last two surprises me a little, I'd expect to be private rather than public gateway/network address).

First of all, I tried Bridged Networking, but had no luck contacting the machine other than through the VMware console. I tried it the ping from the host (using ssh in the host), but no joy. also no Inernet access from the VM. I changed the configuration of the DHCP server to static interfaces, using a static address 192.168.1.100 and by assigning to the doors of such xxx.xxx.xxx.1 as advised by the supplier. No real difference, still cannot ping the host prompt, or vice versa and any of the customer's Internet access.

Then I tried NAT. The host automatically 192.168.132.128 with a 192.168.132.2 gateway IP address now, the client has access to the Internet and when I do a VNC host and open Firefox with 192.168.132.128 I can see the correct hosted Web site but I still can't get in from the outside.

I mentioned that I am a bit confused about IPtables and VMware port forwarding, what I wanted to say, it is that I'm not sure if IPtable transfer must be set to the IP address of the interface of comments (192.168.132.128 in this case) or the address of the 192.168.132.2 bridge.

I have the impression that I'm missing something simple here, can someone tell me what it is?

Find your "/ etc/vmware/vmnet8/nat/nat.conf" file and change:

Example:

\[incomingtcp]

8887 = 192.168.27.128:80

That would redirect a header of TCP packet entering the port 8887 on the host on port 80 of the guest with the IP 192.168.27.128.

Ditto for the UPD:

\[incomingudp]

6000 = 192.168.27.128:6001

You can (must) use iptables for firewall purposes but does not redirect traffic at the prompt.

Read page 252 in the Manual: http://www.vmware.com/pdf/vmserver2.pdf

AWo

VCP 3 & 4

Author @ vmwire.net

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Tags: VMware

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