root@ubuntu:~# #!/bin/sh
root@ubuntu:~#
root@ubuntu:~# #if [ off = $1 ]; then
root@ubuntu:~# #iptables -P INPUT ACCEPT
root@ubuntu:~# #iptables -P OUTPUT ACCEPT
root@ubuntu:~# #iptables -P FORWARD ACCEPT
root@ubuntu:~# #iptables -F
root@ubuntu:~# #iptables -X
root@ubuntu:~# #echo "IP-Forwarding deaktiviert"
root@ubuntu:~# #else
root@ubuntu:~# # aktivert ip-forwarding
root@ubuntu:~# echo 1 > /proc/sys/net/ipv4/ip_forward
root@ubuntu:~# iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o wlan0 -j MASQUERADE
root@ubuntu:~# iptables -A FORWARD -s 192.168.0.0/24 -o eth0 -j ACCEPT
root@ubuntu:~# iptables -A FORWARD -d 192.168.0.0/24 -m state --state ESTABLISHED,RELATED -i eth0 -j ACCEPT
root@ubuntu:~# echo "IP-Forwarding aktiviert"
IP-Forwarding aktiviert
root@ubuntu:~# #fi
root@ubuntu:~#