# Behave!

> A monitoring browser extension for pages acting as bad boys

Canonical page: [https://chrome-stats.com/d/behave](https://chrome-stats.com/d/behave)

## Overview

- **ID:** `behave`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Minded Security
- **Category:** privacy-security
- **Daily users:** 364
- **Weekly downloads:** 6
- **Rating:** 4.67 / 5 (12 ratings)
- **Version:** 0.9.7.1
- **Last updated:** 2020-07-10
- **First published:** 2020-06-12
- **Size:** 82 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/behave/)
- **Website:** [https://github.com/mindedsecurity/behave](https://github.com/mindedsecurity/behave)

## Description

Behave! is a proactive Chrome extension designed to enhance your browser security by monitoring web pages for suspicious activities. It detects and warns users against DNS Rebinding attacks targeting private IPs, unauthorized access attempts to private IPs, and browser-based port scans. By providing real-time alerts, Behave! helps prevent potential security breaches, safeguarding your personal and network information while browsing.

With its lightweight installation and seamless integration into the browser, Behave! ensures you stay informed about hidden threats lurking on webpages. This extension is ideal for users seeking to maintain robust online security and prevent malicious behaviors from compromising their systems.

## Rankings

- #6,035 — Overall
- #132 — monitor
- #216 — performance

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `notifications`
- `storage`
- `<all_urls>`
- `tabs`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

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

## Review summary

### Pros

- Does what it says
- Addon we all been waiting for

### Cons

- Doesn't display images on Steam when add-on is enabled
- Needs a whitelist option to stop false positives
- Hangs when IP logs are too large
- Fail for UI components and graphical objects

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