Código PHP:
#!/bin/bash
#
# firewall Start/Stop firewalling rules.
#
# chkconfig: 35 11 92
#
# description: inicia/para as regras de firewall.
#
# processname: firewall
# config: /etc/firewall.conf
# pidfile: /var/run/firewall.pid
# Source function library.
. /etc/init.d/functions
PATH="$PATH:/usr/local/bin"
RETVAL=0
# See how we were called.
prog="firewall"
funct_stop() {
iptables -t nat -F PREROUTING
iptables -t nat -F POSTROUTING
iptables -t nat -F TRANSPROXY
iptables -F FORWARD
iptables -F
iptables -Z
iptables -X
iptables -t mangle -F FORWARD
iptables -t mangle -F PREROUTING
iptables -t mangle -F POSTROUTING
##iptables -t mangle -F CONNLIMIT
echo "0" > /proc/sys/net/ipv4/ip_forward
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD DROP
}
start() {
echo -n $"Starting $prog: "
bash -x /etc/firewall.conf > /root/fwlog 2>&1
fwports
smtpservers
redirs
bloqueados
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
echo_success
else
echo_failure
fi
echo
ulimit -HSn 16384
}
stop() {
echo -n $"Stopping $prog: "
funct_stop
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
echo_success
else
echo_failure
fi
echo
}
rhstatus() {
iptables -L -n
}
restart() {
stop
start
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
restart
;;
reload)
reload
;;
status)
rhstatus
;;
condrestart)
[ -f /var/lock/subsys/firewall ] && restart || :
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart}"
exit 1
;;
esac
obrigado