# Opera web browser ActionController::InvalidAuthenticityToken

**URL:** <https://www.ruby-forum.com/t/opera-web-browser-actioncontroller-invalidauthenticitytoken/156601>\
**Category:** Rails\
**Created:** [December 30, 2008, 7:04pm UTC](https://www.ruby-forum.com/t/opera-web-browser-actioncontroller-invalidauthenticitytoken/156601 "2008-12-30T19:04:21Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![slawek\_tuleja](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/9d8465/32.png) [@slawek\_tuleja](https://www.ruby-forum.com/u/slawek_tuleja)\
**Post date:** [December 30, 2008, 7:04pm UTC](https://www.ruby-forum.com/t/opera-web-browser-actioncontroller-invalidauthenticitytoken/156601/1 "2008-12-30T19:04:21Z")

</div>

Hi!

Problem with Opera web browser and protect\_from\_forgery.  
Under Opera I have exception:  
ActionController::InvalidAuthenticityToken, under Firefox, Chrome, IE -  
protect\_from\_forgery works fine.

I googled internet not finding recipe.  
Please for help.

Slawek