* Return output of iptables directly instead of writing it to files.
* Make iptables wait for 5s if xtables is locked by another iptables
process. (--wait 5 argument)
* Add optional parameter "-x" to have iptables report exact numbers.
* Add optional parameter "-f" to display the filter table (default).
* Add optional parameter "-n" to display the nat table.
* Add optional parameter "-m" to display the mangle table.
* Adapt iptables.cgi and guardian.cgi to catch getipstat output
instead of reading temp-files.
Signed-off-by: Robin Roevens <robin.roevens@disroot.org> Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>