Forwarding Client IP through Nginx proxy

[SWoollett]

Hi all,
We are currently trialing using Nginx as a load balancer / proxy.
We are able to access out perspective project and unsurprisingly our session is receiving the client IP as the proxy server.

I see this has been discussed a few times previously

Perspective - Scripting - Get Computer name and IP of client

Keep in mind that this operation works on the IP address of the TCP (http) connection to the server from the Server’s perspective. Clients behind a NAT firewall will be seen as the firewall’s IP, and with the name of the firewall via reverse DNS. Users familiar with Vision’s total access to the local computer will forever be disappointed at the lack of access via browsers.

However, upon some research I see Nginx can forward the client IP to a HTTP request header using X-Real-IP and X-Forwarded-For

• Forward IP Addresses with NGINX Proxy – Calvin Bui
• Nginx: reverse proxy passing client IP to the server - Server Fault

They also state "Check your back-end application if they support any of these headers". So the question is, Will Ignition Perspective support these headers when using session.props.address and session.props.host
If not could this be added to Ignitions functionality in the future?

We'll test this and I'll post my findings here for future reference. If anyone else has some experience with this I would love hear it!

[pturmel]

There is a setting for trusting proxy headers in Ignition.

On the Config => Networking => Web Server page of your gateway.