Whitelisting in the context of Oracle Integration Cloud (OIC) typically refers to configuring security settings to allow specific IP addresses or domains to access OIC services or endpoints. This is often done to enhance security by restricting access only to trusted sources. Here’s a general overview of whitelisting in OIC:

1. Whitelisting IP Addresses: OIC may provide the capability to whitelist specific IP addresses or IP ranges that are allowed to access its services. This is a security measure to prevent unauthorized access.
2. Access Control Lists (ACLs): Some cloud services, including Oracle Cloud, may use Access Control Lists (ACLs) to define rules for allowing or denying network traffic based on source IP addresses.
3. Network Security Groups: In Oracle Cloud Infrastructure (OCI), Network Security Groups (NSGs) can be used to control inbound and outbound traffic to and from OIC instances. You can define rules in NSGs to whitelist specific IP addresses.
4. Service Endpoints: When configuring OIC integrations or connections with other services, you may have the option to specify which IP addresses or domains are allowed to connect to OIC endpoints.
5. Security Policies: OIC often allows administrators to define security policies that include whitelisting rules to control access to specific resources or services within OIC.
6. VPN and Private Connectivity: In some cases, organizations might use VPNs or private connections to access OIC instances securely while bypassing the public internet, effectively whitelisting specific network connections.