# requestblock

> block cross origin request. subset of RequestPolicy (only temporary allow for origin).

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

## Overview

- **ID:** `requestblock`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Firefox user 13242001
- **Category:** privacy-security,other
- **Daily users:** 5
- **Rating:** 2.50 / 5 (8 ratings)
- **Version:** 2.2resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-08-25
- **Size:** 23 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/requestblock/)
- **Website:** [https://sasattarrow.com/addon/](https://sasattarrow.com/addon/)

## Description

requestblock is a simple Firefox add-on that allows temporary origin whitelisting to block cross-origin requests. It is a substitute for RequestPolicy, which is not usable in Firefox 57. The add-on provides effective blocking of requests, except for the whitelisted and temporarily allowed requests.

## Rankings

- #42,819 — Overall
- #61 — request

## Permissions and access

### Permissions

- `tabs`
- `webNavigation`
- `webRequest`
- `webRequestBlocking`
- `*://*/*`
- `storage`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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