iptables-save question

["michael" <michael@etalon.net>]

Just curious about some of the numbers that are left in 
the file when I export my ruleset to a file via
# iptables-save > iptables.rules

Here's some of the lines from my iptables.rules file:

# Completed on Thu Oct 21 13:29:59 2004
# Generated by iptables-save v1.2.6a on Thu Oct 21 13:29:59 2004
*filter
:INPUT DROP [150:23900]
:FORWARD ACCEPT [24:2250]
:OUTPUT DROP [18:1020]

What is the purpose of  the "[150:23900]" and "[24:2250]" etc. etc. entries?
Just curious.

Thx.


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