Simple iptables shell script management

#!/bin/bash
while [ "1" == "1" ]
do
clear
echo "----------------------menu----------------------"
echo "(1) service iptables restart"
echo "(2) iptables add"
echo "(3) iptables delete"
echo "(4) iptables stop"
Echo "(5) iptables Save (не забудьте сохранить и просмотреть)" после потери ACL) ""
echo "(6) iptables status"
echo "(7) iptables ACL list"
echo "(0) exit"
echo "-------------------------------------------------"
echo -n "enter you chose[0-7]:"
read num
if [ ${num} -lt 0 -o ${num} -gt 7 ]
    then
      echo "this is not between 0-7"
else
   if [ "${num}" == "1" ]
      then
      service iptables restart&
else
   if [ "${num}" == "2" ]
#######################################################
       then
          while [ "1" == "1" ]
          do
          clear
          echo "----------------------add ACL----------------------"
                     Эхо "(1) добавить"
                     эхо "(2) добавить"
                     Echo "(3) ACL Добавление для портов и услуг (здесь для параметров IP и портов, таких как 0/0 80)"
                     Echo "(4) индивидуальное добавление"
                     Echo "(5) вернуться на предыдущий уровень"
          echo "-------------------------------------------------"
          echo -n "enter you chose[0-4]:"
          read aclnum
          if [ "${aclnum}" == "1" ]
             then
             read ip
             iptables -A INPUT -s ${ip} -p tcp --dport 22 -j ACCEPT
             service iptables save
          elif [ "${aclnum}" == "2" ]
             then
             read ip
             iptables -A INPUT -p tcp --dport ${IP}  -j ACCEPT
             service iptables save
          elif [ "${aclnum}" == "3" ]
             then
             read ip port
             iptables -A INPUT -p tcp -s ${ip} --dport ${port} -j ACCEPT
             service iptables save
          elif [ "${aclnum}" == "4" ]
             then
             read addacl
             `${addacl}`
             service iptables save
          else
             break
          fi
                     Echo -n "Хочу продолжать добавлять: [y/n]:"
          read contine
          if [ "${contine}" == "n" -o "${contine}" == "N" ]
             then
             break
             fi
          done
#######################################################
else
   if [ "${num}" == "3" ]
          then
          while [ "1" == "1" ]
          do
          clear
          echo "---------------------delete ACL----------------------"
                     Echo "(1) Удалить для источника IP"
                     Echo "(2) Удалить для портов"
                     Echo "(3) Удалить ACL с портами и услугами"
                     Echo "(4) Пользовательская удаление"
                     Echo "(5) вернуться на предыдущий уровень"
          echo "-------------------------------------------------"
          echo -n "enter you chose[0-5]:"
          read aclnum
          if [ "${aclnum}" == "1" ]
             then
             read ip
             iptables -D INPUT -s ${ip} -p tcp --dport 22 -j ACCEPT
             service iptables save
          elif [ "${aclnum}" == "2" ]
             then
             read port
             iptables -D INPUT -p tcp --dport ${port}  -j ACCEPT
             service iptables save
          elif [ "${aclnum}" == "3" ]
             then
             read ip port
             iptables -D INPUT -p tcp -s ${ip} --dport ${port} -j ACCEPT
             service iptables save
          elif [ "${aclnum}" == "4" ]
             then
             read deleteacl
             `${deleteacl}`
             service iptables save
          else
             break
          fi
                     Echo -n "Хочу продолжать добавлять: [y/n]:"
          read contine
          if [ "${contine}" == "n" -o "${contine}" == "N" ]
             then
             break
             fi
          done
###################################################################  
else
   if [ "${num}" == "4" ]
       then
       echo -e "`service iptables stop&` "
else
   if [ "${num}" == "5" ]
       then
       echo -e "`service iptables save&`"
else
   if [ "${num}" == "6" ]
       then
       echo -e "`service iptables status&`"
else
   if [ "${num}" == "7" ]
       then
         while [ "1" == "1" ]
       do
       clear
       echo "---------------------list ACL----------------------"
               Echo "(1) Просмотреть в настоящее время используется« набор »
               Echo "(2) Просмотреть простую статистику трафика каждой стратегии или каждого правила, каждая цепочка"
               Echo "(3) Просмотреть таблицу Nat"
               Echo "(4) пользовательский просмотр"
               Echo "(5) вернуться на предыдущий уровень"
       echo "-------------------------------------------------"
       echo -n "enter you chose[0-5]:"
       read aclnum
       if [ "${aclnum}" == "1" ]
          then
          iptables -L
       elif [ "${aclnum}" == "2" ]
          then
          iptables -L -n -v
       elif [ "${aclnum}" == "3" ]
          then
          iptables -L -t nat
       elif [ "${aclnum}" == "4" ]
          then
          read listacl
          `${listacl}`
       else
        break
         fi
               Echo -n "Хочу продолжать добавлять: [y/n]:"
          read contine
          if [ "${contine}" == "n" -o "${contine}" == "N" ]
             then
             break
          fi
       done
################################################
else     
   exit
fi
  fi
    fi
     fi
      fi
       fi
        fi
         fi
echo -n "Do you contine [y/n]:"
read contine
if [ "${contine}" == "n" -o "${contine}" == "N" ]
   then
   exit
fi
done