SPDY add_header with Alternate-Protocol

Richard Fussenegger richard at fussenegger.info
Thu Jan 15 15:21:34 UTC 2015

I'm often seeing the advice to add the following line to your SPDY 

add_header Alternate-Protocol  443:npn-spdy/3;

Is this actually necessary? I mean, my Firefox is connecting via SPDY to 
my nginx and I don't have this in my configuration.

For example seen at: 


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