Integration Cloud Who Are We – Using Headers to Identify IP Addresses by Antony Reynolds

Identifying Integration Cloud IP Addresses

In this blog post I will show how to identify IP addresses associated with Integration Cloud.

The Challenge

When whitelisting services we need to know their IP address.  This is easy if we need to identify the inbound address to Integration Cloud, we can just resolve the Integration Cloud hostname to get the IP address of the Integration Cloud load balancer to be whitelisted for inbound traffic to integration Cloud.  This is useful if we need to whitelist outbound calls through a firewall to Integration Cloud.  However for outbound traffic from Integration Cloud we need to do a little more.  This is needed when the target of integration Cloud invokes need to whitelist their caller.

The Solution Part #1 Using an External Service to Look Up Source IP

We will create an integration that calls a service that returns the calling IP address.  For outbound traffic from Integration Cloud this will be different from the inbound address.  There is a service call Ipify that returns the calling IP address.  This has a REST API that can be invoked to obtain the IP address. To create it we create a new integration called Get Outbound IP. Read the complete article here.

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