| -v
| IP version of the filter rule. The value 4 specifies IP
version 4 and the value 6 specifies IP version 6.
|
| -p
| Filter rule ID. It specifies the previous position of the rule in
the filter rule table. For IP version 4, the value of 1 is
invalid since the first filter rule is unmoveable.
|
| -n
| Filter rule ID. It specifies the new position of the rule in the
filter rule table after the move. For IP version 4, the value of
1 is invalid since the first filter rule is reserved and thus is
unmoveable.
|