Apache httpd : Use mod_proxy_wstunnel2015/08/16

	Enable mod_proxy_wstunnel module to set WebSocket Proxy.
[1]	For example, configure httpd to set proxy on /chat for an application which listens on localhost:1337. The sample application is from here (section [3]).

[root@www ~]#

vi /etc/httpd/conf.modules.d/00-proxy.conf

# add to the end

LoadModule proxy_wstunnel_module modules/mod_proxy_wstunnel.so

[root@www ~]#

vi /etc/httpd/conf.d/wstunnel.conf

# create new

ProxyRequests Off
<Proxy *>
    Require all granted
</Proxy>

ProxyPass /socket.io/ http://127.0.0.1:1337/socket.io/
ProxyPassReverse /socket.io/ http://127.0.0.1:1337/socket.io/

ProxyPass /chat http://127.0.0.1:1337/
ProxyPassReverse /chat http://127.0.0.1:1337/

[root@www ~]#

systemctl restart httpd

[2]	If SELinux is enabled, change rules like follows.

[root@www ~]#

semanage port -a -t http_port_t -p tcp 1337

[3]	Access to the sample App to make sure it works normally on proxy environment.

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