Bound or publishing to a non-loopback address enforcing bootstrap checks – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch is bound to an external IP address or a non-loopback address, which triggers the enforcement of bootstrap checks. These checks are safety measures to prevent potential issues in a production environment. To resolve this, you can either bind Elasticsearch to a loopback address (like for development purposes, or ensure that your system meets all the production environment requirements (like having at least half of the available physical RAM allocated to Elasticsearch, correct file descriptor count, etc.) to pass the bootstrap checks.

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This guide will help you check for common problems that cause the log ” bound or publishing to a non-loopback address; enforcing bootstrap checks ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: checks, bootstrap.

Log Context

Log “bound or publishing to a non-loopback address; enforcing bootstrap checks” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            throw new IllegalArgumentException(message);

        if (enforceLimits) {
  "bound or publishing to a non-loopback address; enforcing bootstrap checks");
        } else if (enforceBootstrapChecks) {
  "explicitly enforcing bootstrap checks");

        for (final BootstrapCheck check : checks) {


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