diff --git a/sisr1/tp05-squid/squid.conf b/sisr1/tp05-squid/squid.conf
index cf6bf2a..0d50406 100644
--- a/sisr1/tp05-squid/squid.conf
+++ b/sisr1/tp05-squid/squid.conf
@@ -1340,6 +1340,8 @@
 # acl localnet src fe80::/10      	# RFC 4291 link-local (directly plugged) machines
 
 acl localnet src 172.16.0.0/24  #autorise le réseau interne à passer
+acl mots_cles_refuses url-regex -i twitch twitch chatgpt 
+
 
 acl SSL_ports port 443
 acl Safe_ports port 80		# http
@@ -1550,6 +1552,7 @@ include /etc/squid/conf.d/*.conf
 # Example rule allowing access from your local networks.
 # Adapt localnet in the ACL section to list your (internal) IP networks
 # from where browsing should be allowed
+http_access deny mots_cles_refuses
 http_access allow localnet
 http_access allow localhost