Gerenciamento com firewalld no CentOS 7
Publicado por Amaury Borges Souza (última atualização em 27/05/2020)
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Homepage: https://amaurybsouza.medium.com/
Gerenciamento com firewalld no CentOS 7 para facilitar o uso do serviço no dia a dia. Você pode listar as regras, adicionar novas regras, verificar se o firewalld está instalado, ver o status do serviço.
#!/usr/bin/env bash # ------------------------------------------------------------------------ # # Script Name: firewalld.sh # Description: Firewalld service management # Site: https://medium.com/@amaurybsouza # Written by: Amaury Souza # Maintenance: Amaury Souza # ------------------------------------------------------------------------ # # Usage: # $ ./firewalld.sh # ------------------------------------------------------------------------ # # Tested on: # Bash 4.2.46 # ------------------------------------------------------------------------ # # History: v1.0 25/05/2020, Amaury: # - Start de program # - Add case feature # v1.1 25/05/2020, Amaury: # - Adding new variables # v1.2 25/05/2020, Amaury: # - Executing new tests in my system # ------------------------------------------------------------------------ # # Thankfulness: # # ------------------------------------------------------------------------ # #VARIABLES --------------------------------------------------------------- # STATUS=`systemctl status firewalld | grep -i "running" | cut -d " " -f 4,5,6` START=`systemctl start firewalld` SHOW=`firewall-cmd --list-all | grep -i "services"` RELOAD=`firewall-cmd --reload` #CODE -------------------------------------------------------------------- # clear while true;do echo " " echo "Welcome at $0" echo " " echo "Choose a option below to start! 1- ensure firewalld service is installed 2- show firewalld status 3- start firewalld service 4- show available rules 5- add new rules 6- reload firewalld service 0- Exit script" echo " " echo -n "selected option: " read option case $option in 1) if [ -x `command -v firewalld` ] then echo " " echo "Installed and latest version" sleep 2 echo " " else echo "Not installed yet" sleep 2 echo " " fi ;; 2) echo " " echo "Firewalld status: $STATUS" ;; 3) echo "Starting service..." sleep 2 echo "$START" ;; 4) echo -n "Rules available... $SHOW" echo " " ;; 5) echo -n "Type a rule: " read rule if [ -z $rule ] then echo "You don't type nothing" else echo -n "Your rule: $rule" echo " " firewall-cmd --add-service=$rule --permanent fi echo ;; 6) echo "Reloading..." sleep 2 echo "$RELOAD" ;; *) echo "invalid option, please, try again!" ;; esac done #END ------------------------------------------------------------------ #
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