As CME Group continues to modernize its infrastructure to enhance resiliency, performance, and scalability, endpoint IP addresses for web-based applications, APIs and GUIs may change as services transition to cloud-hosted environments.

To prevent service disruption during system enhancements, CME Group strongly recommends all clients and their service providers adhere to CME Group connection standards, including:

• Prohibition of Hardcoded IP Addresses
• Standard DNS TTL Compliance
• Egress Firewall & Proxy Configuration
• Multi-Region & Cloud Resiliency

Review the full standards documentation on the Client Systems Wiki.

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