$ sudo /sbin/iptables-save | /sbin/iptables-restore
iptables-restore v1.4.4: iptables-restore: unable to initialize table 'filter'

Error occurred at line: 2
Try `iptables-restore -h' or 'iptables-restore --help' for more information.




$ sudo /sbin/iptables-save
# Generated by iptables-save v1.4.4 on Mon Feb  7 14:17:25 2011
*filter
:INPUT ACCEPT [151669:61437084]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [116756:24153432]
COMMIT
# Completed on Mon Feb  7 14:17:25 2011