SQUID proxies serve as a practical solution to get your data out of your datacenter when you have a number of security restrictions. This approach enables Datadog Agent communication from hosts within isolated networks that lack direct internet connectivity. Companion how-tos cover Datadog custom agent checks for file age and a custom check that runs shell commands .
Consult the official Datadog documentation for detailed setup instructions—specifically the Agent Proxy Configuration documentation for comprehensive guidance on configuring agents to communicate through proxy servers.