diff --git a/sio2/SISR/04-haproxy/haproxy.cfg b/sio2/SISR/04-haproxy/haproxy.cfg
new file mode 100644
index 0000000..8bc687d
--- /dev/null
+++ b/sio2/SISR/04-haproxy/haproxy.cfg
@@ -0,0 +1,57 @@
+global
+	log /dev/log	local0
+	log /dev/log	local1 notice
+	chroot /var/lib/haproxy
+	stats socket /run/haproxy/admin.sock mode 660 level admin
+	stats timeout 30s
+	user haproxy
+	group haproxy
+	daemon
+
+	# Default SSL material locations
+	ca-base /etc/ssl/certs
+	crt-base /etc/ssl/private
+
+	# See: https://ssl-config.mozilla.org/#server=haproxy&server-version=2.0.3&config=intermediate
+        ssl-default-bind-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
+        ssl-default-bind-ciphersuites TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256
+        ssl-default-bind-options ssl-min-ver TLSv1.2 no-tls-tickets
+
+defaults
+	log	global
+	mode	http
+	option	httplog
+	option	dontlognull
+        timeout connect 5000
+        timeout client  50000
+        timeout server  50000
+	errorfile 400 /etc/haproxy/errors/400.http
+	errorfile 403 /etc/haproxy/errors/403.http
+	errorfile 408 /etc/haproxy/errors/408.http
+	errorfile 500 /etc/haproxy/errors/500.http
+	errorfile 502 /etc/haproxy/errors/502.http
+	errorfile 503 /etc/haproxy/errors/503.http
+	errorfile 504 /etc/haproxy/errors/504.http
+
+
+# les changements effectués 
+frontend front_webservers
+        bind *:80
+        default_backend backend_webservers
+        option forwardfor
+
+backend backend_webservers
+        balance roundrobin
+        server  srv-web-1 172.16.1.1:80 check
+        server  srv-web-2 172.16.1.2:80 check
+
+frontend front_stats
+        bind *:1480
+        stats enable
+        stats uri /stats
+        stats hide-version
+        stats refresh 10s
+        stats realm Haproxy\ Statistics
+        stats auth haproxy:P@ssword!
+
+#pour voir les stats : http://192.168.0.150:1480/stats