bash: update named and cntlm configurations

configNetwork.sh

#!/bin/sh
case "$2" in
    up|vpn-up)
          IP=`/sbin/ifconfig  | grep 'inet '| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $2}'`
          case $IP in
             10.*)
                logger "configNetwork.sh - setting configurations for enterprise net"
                forwarders="    forwarders { corporate_dns_1; corporate_dns_2; };"
                NoProxy="NoProxy                localhost, 127.0.0.*, 10.*, 192.168.*, *.mydomain.dev.br, *.myenterprise.br"
                ;;
               *)
                logger "configNetwork.sh - setting configurations for direct net"
                forwarders="    forwarders { 8.8.4.4; 8.8.8.8; };"
                NoProxy="NoProxy *"
                ;;
            esac
        sudo sed "s/^    forwarders.*$/$forwarders/g" -i /etc/named.conf
        sudo systemctl stop named
        sudo systemctl start named
        sudo sed "s/^NoProxy.*$/$NoProxy/g" -i /etc/cntlm.conf
        sudo systemctl stop cntlm
        sudo systemctl start cntlm
        ;;
esac