On 04.01.2013 06:02, Eliezer Croitoru wrote:
Since iptables are kind of static I think a simple script should be good
enough.
A one liner should do the trick:
tables="filter nat raw mangle";counter="0"; for i in $tables; do
add=`iptables -t $i -L -n --line-numbers |egrep "^[0-9]+\ " |wc -l`;
counter=`expr $counter + $add`;done ;echo $counter
You dont need to read the proc file system to know that there are only
four tables exits in iptables.
That is not true.
There also is the security table.
And if you have xtables-addons installed, there might also be the
rawpost table.
But any of those might not be loaded, if compiled in as loadable module.
So you might need to read /proc/net/ip_tables_names to work only on
existing tables, without loading unwanted/needed ones.
[...]
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