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<H1>[99s-extend] websocket over ssl</H1>
<B>Lee Sylvester</B>
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TITLE="[99s-extend] websocket over ssl">lee.sylvester at gmail.com
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<I>Sat Jan 10 15:39:41 CET 2015</I>
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<PRE>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
><i> On 10 Jan 2015, at 13:55, <A HREF="https://lists.ninenines.eu/listinfo/extend">e at bestmx.net</A> wrote:
</I>><i>
</I>><i> Hello all.
</I>><i>
</I>><i> I am trying to alter my cowboy-based websocket server from plain to SSL connection.
</I>><i> And I found out that I have failed to understand very basics of the combination of WS and SSL.
</I>><i>
</I>><i> 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)
</I>><i>
</I>><i> 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)
</I>><i>
</I>><i> thus,
</I>><i> 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.
</I>><i>
</I>><i> Is it true?
</I>><i>
</I>><i> In this regard i can hardly find a place in this world for the "WSS" term, what does it stand for?
</I>><i>
</I>><i> Please, help me fit it in my head.
</I>><i>
</I>><i> However, i might be confusing some Client-Side entities, that are involved in the process of starting up my WebSocket.
</I>><i>
</I>><i> I am using a Browser with JavaScript.
</I>><i>
</I>><i> The semantics of the very WebSocket.start() operation is not enough clear to me. Please, do not laugh.
</I>><i>
</I>><i> when i do JS WebSocket.start() does it:
</I>><i> (a) opens an http connection and then alters it to WS
</I>><i> (b) alters the connection in the context of which the JS process is running
</I>><i> ????
</I>><i>
</I>><i> I'll be damned if the answer was lying on the surface of the internet!
</I>><i>
</I>><i> The third part of this ugly question is about cowboy actually.
</I>><i> How all these entities mentioned above do map into my_app.erl file?
</I>><i> 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.
</I>><i>
</I>><i> well, i am afraid it could be put in a simpler way:
</I>><i> "Exactly When and Where the WSS story begins?"
</I>><i>
</I>><i> _______________________________________________
</I>><i> Extend mailing list
</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">Extend at lists.ninenines.eu</A>
</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">https://lists.ninenines.eu/listinfo/extend</A>
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