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uncletall's questions

Martin Hope
uncletall
Asked: 2013-07-15 18:08:00 +0800 CST
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I am in a bit of trouble as I am trying to setup a reverse proxy with and a second server. My idea was to get the firewall to forward https to the reverse proxy and port 29418 (gerrit ssh) to the second server. Now my cooperate IT guy says: CAN NOT! Either both ports go to server 1 or both ports go to server 2.

Ok, as a work around I tried to setup a port forwarding on the reverse proxy of port 29418 -> server2:29418

Details:

  • Server1 IP: 10.0.0.132 and 192.168.10.2 on Ubuntu 12.04.2 LTS
  • Server2 IP: 10.0.0.133 and 192.168.10.3 on Ubuntu 12.04.2 LTS

Now both https and port 29418 go from the firewall to 10.0.0.132, IT says that's the only way. :(

So please tell me how to forward from 10.0.0.132:29418 -> 192.168.10.3:29418 or 10.0.0.133:29418

When I am working on the 10.0.0.132 I can connect to both 10.0.0.133:29418 and 192.168.10.3:29418 so the ports are open.

-- Update --

My iptables -t nat -L looks like this:

root@dev:/root# iptables -t nat -L
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination
DNAT       tcp  --  anywhere             dev.example.com       tcp dpt:29418 to:10.0.0.133

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
root@dev:/root# cat /proc/sys/net/ipv4/ip_forward
1
port-forwarding