name of a file containing ipfw rules.
2) Replace the use of a predictable temporary filename with one
generated by mktemp(1).
3) Only exit with a zero exit status if the rules were updated.
4) Use a pager to view the new rules, not an editor.
I was told by dcs that this script's original author is no longer
interested in FreeBSD and would not wish to review this patch.
Source rc.conf and use ${firewall_script} instead of rc.firewall.
Textwidth formatting of comments and text.
PR:
Submitted by: Maxim <maxim@news1.macomnet.ru>
(sorry if I got name/email/committer status wrong :)
