Network troubleshooting

How to troubleshoot common network problems

less than a minute

If you have difficulties connecting your application code to LocalStack, please choose the scenario below that best describes your networking layout.

LocalStack only binds to IPv4 addresses (e.g. 127.0.0.1). Check you are not trying to access LocalStack over IPv6.

Using the endpoint URL

For example, setting the endpoint_url parameter with an AWS SDK.

From the same computer

From a container LocalStack created

From your container

From a separate host

See the lambda documentation for more information about the capability.

From your host

From a lambda function

For example, you have created an OpenSearch cluster and are trying to access that resource by its URL.

From your host

From a container LocalStack created

From your container

From a separate host