[squid-users] squid service & TIME_WAIT

Hello list we have
two squid SERVERS (sibling) running Squid 2.7.STABLE9
Serving almost all our static content
From what I can see squid is performing well considering the amount of
traffic (*)
Our only problem is that we have too many time wait conn..

63110 TIME_WAIT
12 CLOSE_WAIT
108 CLOSING
372 ESTABLISHED
449 FIN_WAIT1
104 FIN_WAIT2
 19 LAST_ACK
   7 LISTEN
141 SYN_RECV

Note that we have set the following parameters on squid.conf

half_closed_clients off
server_persistent_connections off
client_persistent_connections off

(*)
Connection information for squid:
        Number of clients accessing cache: 166480
        Number of HTTP requests received: 1532039569
        Number of ICP messages received: 276753622
        Number of ICP messages sent: 276758371
        Number of queued ICP replies: 0
        Number of HTCP messages received: 0
        Number of HTCP messages sent: 0
        Request failure ratio: 0.00
        Average HTTP requests per minute since start: 11700.1
        Average ICP messages per minute since start: 4227.1
        Select loop called: 244262699 times, 32.164 ms avg
Cache information for squid:
        Request Hit Ratios: 5min: 90.5%, 60min: 91.2%
        Byte Hit Ratios: 5min: 76.0%, 60min: 78.4%
        Request Memory Hit Ratios: 5min: 46.8%, 60min: 47.4%
        Request Disk Hit Ratios: 5min: 9.8%, 60min: 9.8%
        Storage Swap size: 7549664 KB
        Storage Mem size: 1112828 KB
        Mean Object Size: 30.43 KB
        Requests given to unlinkd: 23705643
Received on Thu Dec 09 2010 - 10:16:59 MST