Web Application Suspicious Activity: No User Agent

Elastic Stack Serverless Security

A request to a web application server contained no identifying user agent string.

Rule type: query

Rule indices:

• apm--transaction
• traces-apm*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: None (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References:

• https://en.wikipedia.org/wiki/User_agent

Tags:

• Elastic
• APM

Version: 7

Rule authors:

• Elastic

Rule license: Elastic License v2

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