Important Notice: We're experiencing email notification issues. If you've posted a question in the community forums recently, please check your profile manually for responses while we're working to fix this.

On Monday the 3rd of March, around 5pm UTC (9am PT) users may experience a brief period of downtime while one of our underlying services is under maintenance.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Sec-WebSocket-Protocol in websocket handshake response

  • 1 reply
  • 1 has this problem
  • 2 views
  • Last reply by Gerd

manlm1
manlm1
more options

In Chrome when I make a websocket handshake, if in the request, the "Sec-WebSocket-Protocol" header is specified, then the response from server must also has this header, if not, chrome will not allow to make the connection But in Firefox, the response does not need to have the header. Why Firefox allow this?

Regards, ManLM

In Chrome when I make a websocket handshake, if in the request, the "Sec-WebSocket-Protocol" header is specified, then the response from server must also has this header, if not, chrome will not allow to make the connection But in Firefox, the response does not need to have the header. Why Firefox allow this? Regards, ManLM

All Replies (1)

Gerd
Gerd
more options

It is possible that this is a non-standard header (that is therefor not implemented in FF), or that Firefox' security policies are not as strict.

Most likely this shouldn't cause any problems.