In order to check the connection between PeopleSoft and RChilli you have to check the Configuration Node.
In case of any connection failure you will get an error as in the below image:
This means that the connection establishment is failed and Firewall is one of the reasons.
Please contact firstname.lastname@example.org for the Firewall details.
If you still have any questions, you can always contact RChilli Support by creating an RChilli Helpdesk ticket or sending an email at email@example.com.