Re: Guacamole HTTP tunnel not Websockets

[Mike Jumper]

On Wed, Jun 14, 2017 at 2:56 PM, Tony Hooker <tony.hoo...@dwwtc.com> wrote:

>
>                 proxy_set_header Upgrade \$http_upgrade;
>                 proxy_set_header Connection "upgrade";
>

Why have the "$" symbols for each variable been backslash-escaped?