Rest tampered request t uri= – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

Briefly, this error occurs when the Elasticsearch REST request URI has been tampered with or modified in an incorrect way. This could be due to a malformed URI, incorrect syntax, or unauthorized changes. To resolve this issue, you can: 1) Verify the URI syntax and structure, ensuring it follows the correct format. 2) Check for any unauthorized or unexpected changes in the URI. 3) If the error persists, consider resetting the URI to its default or last known good configuration.

This guide will help you check for common problems that cause the log ” {}[rest] [tampered_request]t{}; uri=[{}]{} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “{}[rest] [tampered_request]t{}; uri=[{}]{}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         if (events.contains(TAMPERED_REQUEST) && (eventFilterPolicyRegistry.ignorePredicate().test(AuditEventMetaInfo.EMPTY) == false)) {
            if (includeRequestBody) {
      "{}[rest] [tampered_request]\t{}; uri=[{}]{}; request_body=[{}]"; localNodeInfo.prefix; hostAttributes(request);
                        request.uri(); opaqueId(); restRequestContent(request));
            } else {
      "{}[rest] [tampered_request]\t{}; uri=[{}]{}"; localNodeInfo.prefix; hostAttributes(request); request.uri();


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