# Scapy Ref

> Search 85+ Scapy commands, functions, layers, packet crafting patterns, and examples for network testing, packet forging, sniffing, and security research. • Offline. No connections. No tracking. No data collection.

Canonical page: [https://chrome-stats.com/d/scapy\_ref](https://chrome-stats.com/d/scapy_ref)

## Overview

- **ID:** `scapy_ref`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Libor Benes (Dr. B)
- **Category:** web-development,privacy-security,search-tools
- **Version:** 1.0
- **Last updated:** 2026-01-14
- **First published:** 2026-01-11
- **Size:** 18 KB
- **Data as of:** 2026-09-17
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/scapy_ref/)
- **Website:** [https://www.linkedin.com/in/LiborBenes](https://www.linkedin.com/in/LiborBenes)

## Description

Designed as a rapid reference tool for the powerful Python packet manipulation library, the Scapy Ref sidebar is ideal for network testing, packet forging, sniffing, and security research workflows.

Target Audience:
• Programmers and Developers working with network protocols.
• System Administrators troubleshooting network issues.
• Network Engineers testing configurations and connectivity.
• Security Researchers analyzing traffic and crafting packets.
• Shell Scripting Enthusiasts automating network tasks.

Features:
• Comprehensive Database: 85+ entries covering core functions (send, sr, sniff), layer creation (IP, TCP, UDP, ICMP), packet manipulation techniques, common protocols, and practical examples.
• Instant Search: Real-time filtering by function name, layer type, or description text.
• Compact Interface: Space-efficient sidebar design optimized for quick reference.
• Click-to-Copy: One-click copying of any command for immediate use.
• Entirely Offline: No network dependencies with all data stored locally.

Content Coverage:
The extension includes essential Scapy elements:
• Import and Configuration: Basic imports, ls(), lsc(), conf settings.
• Layer Creation: IP(), TCP(), UDP(), ICMP(), Ether(), ARP(), DNS().
• Packet Operations: Stacking with / operator, field manipulation, inspection methods.
• Network Operations: send(), sr(), sniff() with various parameters.
• File Operations: rdpcap(), wrpcap() for PCAP handling.
• Practical Examples: SYN scans, ping sweeps, ARP requests, DNS queries.
• Utility Functions: Interface discovery, packet conversion, field access patterns.

Security-First Concept:
• Zero Permissions Required: No special browser permissions requested.
• No tracking.
• No Data Collection.
• Local Offline Processing Only: All operations occur within the sidebar with no external calls or communication.
• Secure Implementation: Uses only safe DOM methods.
• No Third-Party Dependencies: Pure JavaScript/HTML/CSS with no external libraries.
• Manifest v2 Compliant: Adheres to Mozilla's security standards.

Design Philosophy:
• Color Scheme: Terminal-inspired colors evoking Scapy colors.
• Readability: Clear formatting with bold red commands and hanging indent descriptions.
• Efficiency: Minimal interface focused on rapid information retrieval.
• Stability: No animations or effects that could interfere with browsing.

Technical Details:
Compatibility: Firefox 109.0+ (64-bit desktop).

## Rankings

- #136,081 — Overall

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no 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/scapy_ref)