[squid-users] squid access.log transparent debian 4

I install squid 2.6 on Debian 4 and I think everything is good but when
I type

*
** tail -f /var/log/squid/access.log

*do not show me any thing and I think squid do not make log
this is my IPtables rule

*# Generated by iptables-save v1.3.6 on Tue Feb 19 18:08:20 2008
*nat
:PREROUTING ACCEPT [117:16009]
:POSTROUTING ACCEPT [2:111]
:OUTPUT ACCEPT [23:3703]
-A PREROUTING -i eth1 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128
-A POSTROUTING -o eth0 -j MASQUERADE
COMMIT
# Completed on Tue Feb 19 18:08:20 2008
# Generated by iptables-save v1.3.6 on Tue Feb 19 18:08:20 2008
*filter
:INPUT ACCEPT [1186:117352]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [550:173868]
-A FORWARD -i eth1 -j ACCEPT
COMMIT
# Completed on Tue Feb 19 18:08:20 2008

*where I make mistake ??
Received on Tue Feb 19 2008 - 23:09:41 MST