[99s-extend] websocket over ssl

[Lee Sylvester]

I use Cowboy for websockets, but I find it’s a lot easier (and less stressful) to run Nginx in front of it to provide the SSL layer.

Lee


> On 10 Jan 2015, at 13:55, e at bestmx.net wrote:
> 
> Hello all.
> 
> I am trying to alter my cowboy-based websocket server from plain to SSL connection.
> And I found out that I have failed to understand very basics of the combination of WS and SSL.
> 
> As far as i've understood the very nature of the WS it is a bit altered http connection (i open the http connection first, and then i change its status to WS)
> 
> On the other hand the whole "HTTP story" could be wrapped into SSL, so that SSL is an outer layer of data encoding (as seen transparent by an application)
> 
> thus,
> if I open HTTPS connection (which implies SSL enveloping) and then alter the connection status to WS, the whole "WS story" appears naturally INSIDE THE PREVIOUSLY ESTABLISHED SSL CONNECTION.
> 
> Is it true?
> 
> In this regard i can hardly find a place in this world for the "WSS" term, what does it stand for?
> 
> Please, help me fit it in my head.
> 
> However, i might be confusing some Client-Side entities, that are involved in the process of starting up my WebSocket.
> 
> I am using a Browser with JavaScript.
> 
> The semantics of the very WebSocket.start() operation is not enough clear to me. Please, do not laugh.
> 
> when i do JS WebSocket.start() does it:
> (a) opens an http connection and then alters it to WS
> (b) alters the connection in the context of which the JS process is running
> ????
> 
> I'll be damned if the answer was lying on the surface of the internet!
> 
> The third part of this ugly question is about cowboy actually.
> How all these entities mentioned above do map into my_app.erl file?
> what particular bits of cowboy's "configuration" (may i call this particular piece of code a "setup" or "config"?) affect what aspects of the connection initialization.
> 
> well, i am afraid it could be put in a simpler way:
> "Exactly When and Where the WSS story begins?"
> 
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