martin@dogmeat ~ % aptitude show iptables-persistent
Package: iptables-persistent
State: not installed
Version: 0.5.7
Priority: optional
Section: universe/admin
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: all
Uncompressed Size: 62.5 k
Depends: iptables, lsb-base, debconf (>= 0.5) | debconf-2.0
Description: boot-time loader for iptables rules
 This package provides a system startup script that restores iptables rules from a configuration file.

 Since this is aimed at experienced administrators, there is no configuration wizard.