linux proxy

echo "1" > /proc/sys/net/ipv4/ip_forward

# Generated by iptables-save v1.3.5 on Fri Feb  3 16:02:29 2012
*nat
:PREROUTING ACCEPT [1352:117477]
:POSTROUTING ACCEPT [643:42607]
:OUTPUT ACCEPT [643:42607]
-A POSTROUTING -s 192.168.44.0/255.255.255.0 -o eth0 -j MASQUERADE
COMMIT
# Completed on Fri Feb  3 16:02:29 2012
# Generated by iptables-save v1.3.5 on Fri Feb  3 16:02:29 2012
*filter
:INPUT ACCEPT [435419:23800586]
:FORWARD ACCEPT [27428:20908656]
:OUTPUT ACCEPT [83375:1253118499]
COMMIT
# Completed on Fri Feb  3 16:02:29 2012