IIS 7 and Above
Application Request Routing (ARR)
Using AAR/ Rewrite for connection from vendor to us
Re: Using AAR/ Rewrite for connection from vendor to us
Jun 28, 2019 08:18 AM|Able|LINK
According to your description,you could use ip address for reverse proxy. It's both ok if you use target server ip address or use server name.
You could add urlrewrite module and set as the link as below: