---
title: cf.edge.server_port · Cloudflare Ruleset Engine docs
description: Represents the port number at which the Cloudflare global network received the request.
source_url:
  html: https://ae381649.preview.developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.edge.server_port/index.md
  md: https://ae381649.preview.developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.edge.server_port/
---

# cf.edge.server\_port

`cf.edge.server_port` IP address

Represents the port number at which the Cloudflare global network received the request.

Use this field to filter traffic on a specific port. The value is a port number in the range 1–65535.

Categories:

* Request
