Upgrade to latest version of socket.io (0.6.8 -> npm install [email protected]
, which is patched to work with HAProxy)
and download the latest version of HAProxy.
Here is an example config file:
global
maxconn 4096 # Total Max Connections. This is dependent on ulimit
nbproc 2
defaults
mode http
frontend all 0.0.0.0:80
timeout client 5000
default_backend www_backend
acl is_websocket hdr(Upgrade) -i WebSocket
acl is_websocket hdr_beg(Host) -i ws
use_backend socket_backend if is_websocket
backend www_backend
balance roundrobin
option forwardfor # This sets X-Forwarded-For
timeout server 5000
timeout connect 4000
server server1 localhost:8081 weight 1 maxconn 1024 check
server server2 localhost:8082 weight 1 maxconn 1024 check
server server3 localhost:8083 weight 1 maxconn 1024 check
backend socket_backend
balance roundrobin
option forwardfor # This sets X-Forwarded-For
timeout queue 5000
timeout server 5000
timeout connect 5000
server server1 localhost:8081 weight 1 maxconn 1024 check
server server2 localhost:8082 weight 1 maxconn 1024 check
server server3 localhost:8083 weight 1 maxconn 1024 check