Configure Docker Pull Rate Limit

This topic provides instructions for configuring the docker pull rate limit on public images.
Docker enforces a pull rate limit on public images. The limit is based on an IP address or as a logged-in Docker hub user. The default limit (100 pulls per 6 hours) is usually high enough for Cortex XSOAR's use of Docker images, but the rate limit may be reached if using a single IP address for a large organization (behind a NAT). If the rate limit is reached, the following error message is issued:
Error response from daemon: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit.
To increase the limit, take the following steps.
  1. Sign up a free user in the Docker hub.
    The pull limit is higher for a registered user (200 pulls per 6 hours).
  2. Authenticate the user on the server machine by running the following command.
    sudo -u demisto docker login
    If you use an engine, you need to authenticate on the engine machine.
  3. (
    Optional
    ) Instead of manually logging in to Docker to pull images, you can edit the Docker config file to use credentials from the file or from a credential store.

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