Re: Apache reverse proxy configuration and ip addresses

As I stated in the original message, 10.2.0.109 is one of the IP addresses assigned to System 1 (IBMi). I know the ip address for my PC is something different. I'm just surprised that when System 1, Apache server 1 forwards the request to the Apache server on System 2 that the client IP address in the access log file shows 10.2.0.109 instead of 10.2.0.31 since I specified 10.2.0.31 port 10200 when calling the web service on System 1. I wonder how System 1 decides which ip address it uses to forward the request?

Dean Eshleman
Software Development Architect
Everence

On 1/18/2018 6:16 PM, Nathan Andelin wrote:

Maybe 10.2.0.109 the address of your PC on the network, that get's picked
up in the log as the originator of the requests.



On Thu, Jan 18, 2018 at 3:01 PM, Dean Eshleman <Dean.Eshleman-d3hNrR/acMxWk0Htik3J/w@xxxxxxxxxxxxxxxx>
wrote:

Hi,

We have two Apache servers on our IBM I that is in the DMZ. They are
setup to listen on different ip addresses and different ports. These
servers are for web services.

System 1 - IBMi in DMZ
Apache Server 1 listens on IP Address 10.2.0.31 port 10200
Apache Server 2 listens on IP Address 10.2.0.109 port 10000

I'm adding a reverse proxy setup to Server 1 so that it forwards requests
back to another Apache server on an IBM I (System 2) in our trusted
network. When I test this setup, the Apache access log on System 2 shows
the client ip address as 10.2.0.109. I was expecting it to be 10.2.0.31.
Anyone know why that is?

Dean Eshleman
Software Development Architect
Everence

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