Yellowdog ip masquerade

[primal]

now that yellodog is on my host machine i'de like to get the other mac to use its internet and file sharing via eithernet, anybody done it... i found a how to but it left my modem unusable so first off how do you un chmod u+x rc.firewall?

thanks

BTW i'm using http://www.yellowdoglinux.com/support/solutions/ydl_general/ethernet_connections.shtml...

just getting confused after chmod u+x rc.firewall...