Zna4i gledaite sa .. ot linux da ne kaja ma i predstava si
 nqmam mu4a nekuf SlackWare8.1 i me interesuva kak mo ga da
 si sharena net-a T.e imam 2lana i iskam da si polzvam pc-to
 kato router =) do predi 1-2 sedmici polzvash sygate za
 win9.x ta me gree ako moje nqkoi da mi obesni tova onova za
 tiq iptables shtoto gledam kato magare pred qdrena
 podvodnica .. ako moje sushto da mi predporu4a nqkoi good
firewall

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

 (razgledai syshto i "man sysctl" i "man sysctl.conf" za drug
 nachin po koito se prawi towa, towa e nowiq standard po
 koito trqbwa da se smenqt stoinosti w /proc/sys. Syshto "cat
 /etc/sysct.conf"... taka e w linux, perl moto-to wavi toest
"There is many way to do it" :") )
i posle :

 iptables -A POSTROUTING -o eth0 -j SNAT --to
your-external-IP-address

ili 

 ipchains -A forward -s your-internal-net -d 0/0 -p all -j
MASQ

zawisi koe mislish da polzwash...

 Ne znam w Slacka dali ima mqsto kadeto da gi slovish tiq
 raboti (w MDK i RH se slagat w /etc/sysconfig/ipchains ili
/etc/sysconfig/iptables saotwetno)..

 W kraen sluchai movesh da gi slovish w /etc/rc.local
nakraq..