iptables save rules
 

I'm having trouble with my iptables.

When i try to save the current information i use:
But when i reboot my machine and list with "iptables -L" there are no rules saved :/

Any ideas how to solve this?

use /sbin/iptables-save, with hyphen. You should pipe the output to a file and then use iptables-restore upon boot.
See iptables-save manpage. Or consider using an encapsulation for iptables, such as shorewall: it's much easier to manage.