# ICMP Types & Codes

> A complete and secure offline database of all 0 - 255 ICMP (Internet Control Message Protocol) Types and Codes. View, sort, filter, and search ICMP details. Copy entries for documentation.

Canonical page: [https://chrome-stats.com/d/icmp\_types\_codes](https://chrome-stats.com/d/icmp_types_codes)

## Overview

- **ID:** `icmp_types_codes`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Libor Benes (Dr. B)
- **Category:** web-development,privacy-security,search-tools
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-08-06
- **First published:** 2025-08-03
- **Size:** 18 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/icmp_types_codes/)
- **Website:** [https://www.linkedin.com/in/LiborBenes](https://www.linkedin.com/in/LiborBenes)

## Description

An essential tool for network diagnostics, troubleshooting, debugging, and analysis. Ideal for network engineers, system administrators, security researchers, developers, and students. 

ICMP Types and Codes sourced from the Internet Assigned Numbers Authority (IANA: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/16fde8edc92ffb3ae37d562fc3d98870999ff40ca3c48415146125f4df849254/https%3A//www.iana.org/assignments/icmp-parameters/icmp-parameters.xhtml" rel="nofollow">https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xhtml</a>, last updated 2025-04-29).

• Includes all - assigned, unassigned, deprecated, reserved - ICMP Parameters.
• Dynamic Search in Real-Time.
• Sort by Type (numerical) or Name (alphabetical) with one click.
• Category Filtering: Toggle between error messages (types 0–127) and informational messages (types 128–255).
• Copy to Clipboard for use in reports, logs, or tools like Wireshark.

Security a Core Priority ensuring user trust and browser integrity:
• Minimal Permissions, no unnecessary access to browser data.
• Offline Operation: All ICMP data is stored locally, eliminating network requests and ensuring functionality without internet access.
• Safe Coding Practices.
• No Third-Party Dependencies.
• Privacy-Focused: Does not collect, store, or transmit any user data, prioritizing user privacy.
• Adheres to Mozilla’s strict security standards for Firefox add-ons.

## Rankings

- #93,761 — Overall
- #246 — typing

## Permissions and access

### Permissions

- `clipboardWrite`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows reading and modifying clipboard content, which can be sensitive, posing a moderate privacy risk.
- This extension website URL may be invalid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/icmp_types_codes)