---
title: 'Next-Gen WAF: Increased custom signal name character limit'
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2026/06/update-ngwaf-signal-name-length
---

The maximum character limit for [custom signal](https://www.fastly.com/documentation/reference/api/ngwaf/signals/) names has been increased from 25 to 128 characters. This allows you to use more descriptive signal names without abbreviation.