I must tried very very in this educational site in communion of the internet throughout the unix and i need to solve this !!!!!!!!!!!
i am trial from failure triales communion of the internet throughout another computer throughout the network
You can share internet without proxy too....
go thru the script given below and follow instruction in it
# Defines the location of iptables executables.
iptables=/sbin/iptables
#Clears if any old iptable rules/ policies are there.
iptables --flush -t nat
# Now we will do Masquerading ie. we are doing NAT.
iptables --table nat --append POSTROUTING --out-interface ppp0 -j MASQUERADE
iptables --append FORWARD --in-interface eth0 -j ACCEPT
# Enabling packet forwarding.
echo 1 > /proc/sys/net/ipv4/ip_forward
# Copy this file to /etc/rc.d/rc.nat
# make it executable : chmod 7555 /etc/rc.d/rc.nat
# Now add following lines in rc.local
# /etc/rc.d/rc.nat
# this will allow to set your machine as gateway at every startup