diff --git a/install-Gaylog-v4.3.sh b/install-Gaylog-v4.3.sh
new file mode 100644
index 0000000..f136639
--- /dev/null
+++ b/install-Gaylog-v4.3.sh
@@ -0,0 +1,94 @@
+#!/bin/bash
+
+echo "[+] Verification des droits d acces a ROOT"
+if [ "$EUID" -ne 0 ];then
+    echo "Veuillez executer ce script en tant que ROOT"
+    exit 1
+fi
+
+echo "[+] Regler le redemarrage sur automatique pour eviter les pop ups de redemarrage"
+sudo sed -i 's/#$nrconf{restart} = '"'"'i'"'"';/$nrconf{restart} = '"'"'a'"'"';/g' /etc/needrestart/needrestart.conf
+
+echo "[+] Verification des mises a jour"
+apt-get update
+apt-get full-upgrade -y
+
+echo "[+] Definition du nombre maximum de fichiers pour opensearch"
+sysctl -w vm.max_map_count=262144
+echo 'vm.max_map_count=262144' >> /etc/sysctl.conf
+
+echo "[+] Installation des depenbdancies"
+apt install dirmngr gnupg apt-transport-https ca-certificates software-properties-common -y
+#apt-get install openjdk-17-jre-headless -y
+apt-get install apt-transport-https uuid-runtime pwgen net-tools gnupg curl wget dirmngr -y
+
+echo "[+] Installation de MongoDB"
+wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | apt-key add -
+echo "deb http://repo.mongodb.org/apt/debian buster/mongodb-org/4.4 main" | tee /etc/apt/sources.list.d/mongodb-org-4.4.list
+
+wget http://ftp.fr.debian.org/debian/pool/main/o/openssl/libssl1.1_1.1.1w-0+deb11u1_amd64.deb
+dpkg -i ./libssl1.1_1.1.1w-0+deb11u1_amd64.deb
+
+apt-get update
+apt-get install -y mongodb-org
+
+echo "[+] Demarrer de Mongod"
+systemctl daemon-reload
+systemctl enable mongod
+systemctl restart mongod
+
+echo "[+] Installation de Elasticsearch"
+wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | apt-key add -
+echo "deb https://artifacts.elastic.co/packages/oss-7.x/apt stable main" | tee -a /etc/apt/sources.list.d/elastic-7.x.list
+
+apt update
+apt -y install elasticsearch-oss
+
+echo "[+] Sauvegarde d Elasticsearch et creation d un nouvel Elasticsearch pour Graylog"
+cp /etc/elasticsearch/elasticsearch.yml /etc/elasticsearch/elasticsearch.yml.bak
+tee -a /etc/elasticsearch/elasticsearch.yml > /dev/null << EOT
+cluster.name: graylog
+action.auto_create_index: true
+EOT
+
+echo "[+] Demarrer de Elasticsearch"
+systemctl daemon-reload
+systemctl enable elasticsearch.service
+systemctl restart elasticsearch.service
+
+echo "[+] Installion Graylog"
+wget https://packages.graylog2.org/repo/packages/graylog-4.3-repository_latest.deb
+dpkg -i graylog-4.3-repository_latest.deb
+
+apt update
+apt -y install graylog-server graylog-integrations-plugins
+
+echo "[+] Configuration"
+cp /etc/graylog/server/server.conf /etc/graylog/server/server.conf.bak
+
+#Generate Password Secret and save it to conf file
+password_secret=$(pwgen -N 1 -s 96)
+
+#Generate initial SHA-256 Hash of the root password and save it to conf file
+echo -n "Enter Password: "
+read password
+message=$(echo -n "$password" | sha256sum | awk '{ print $1 }')
+
+sed -i "s/password_secret =/password_secret =$password_secret/g" /etc/graylog/server/server.conf
+sed -i "s/root_password_sha2 =/root_password_sha2 =$message/g" /etc/graylog/server/server.conf
+sed -i "s/#http_bind_address = 127.0.0.1:9000/http_bind_address = 0.0.0.0:9000/g" /etc/graylog/server/server.conf
+
+echo "[+] Demarrer de Graylog"
+systemctl daemon-reload
+systemctl enable graylog-server.service
+systemctl restart graylog-server.service
+
+echo "#######################################################################################"
+echo "##                                                                                   ##" 
+echo "## Definissez les options de memoire de la JVM pour votre serveur comme suit         ##"
+echo "##                                                                                   ##" 
+echo "## /etc/graylog/server/server.conf                                                   ##"
+echo "##                                                                                   ##" 
+echo "## Apres la configuration, redemarrer Elasticsearch et Graylog                       ##"
+echo "##                                                                                   ##" 
+echo "#######################################################################################"
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