![Preview of OhMyECH - ECH Indicator](https://addons.mozilla.org/user-media/addon_icons/2841/2841823-64.png?modified=dd2c9a59)
OhMyECH - ECH Indicator by 27justin
Add a visual indication whether a site uses ECH (Encrypted-Client-Hello), or not, to the address bar.
You'll need Firefox to use this extension
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Screenshots
![](https://addons.mozilla.org/user-media/previews/thumbs/298/298318.jpg?modified=1713377024)
![](https://addons.mozilla.org/user-media/previews/thumbs/298/298319.jpg?modified=1713377024)
About this extension
This extension adds an icon to Firefox’s address bar which indicates whether this page used Encrypted-Client-Hello (ECH) or not.
ECH is a extension to TLSv1.3 which encrypts the TLS Client-Hello. Before ECH any middle-man between your PC and the server was able to read out the SNI (Server-Name-Indication), i.e. the domain you were visiting.
The extension displays a green/red-lock to the right side of your address bar, similar to the HTTP(S) lock.
The source code for this extension is available at https://github.com/27justin/ohmyech
ECH is a extension to TLSv1.3 which encrypts the TLS Client-Hello. Before ECH any middle-man between your PC and the server was able to read out the SNI (Server-Name-Indication), i.e. the domain you were visiting.
The extension displays a green/red-lock to the right side of your address bar, similar to the HTTP(S) lock.
The source code for this extension is available at https://github.com/27justin/ohmyech
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This add-on needs to:
- Access browser tabs
- Access browser activity during navigation
- Access your data for all web sites
More information
- Add-on Links
- Version
- 1.0
- Size
- 24.95 kB
- Last updated
- 2 months ago (17 Apr 2024)
- Related Categories
- Licence
- The MIT Licence
- Version History
- Tags
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