I think I have TPROXY working but running into some issues. 
Checking my logs all my traffic shows up as a TCP_MISS
1236698452.579     79 66.78.98.194 TCP_MISS/200 542 GET 
http://l1.zedo.com//log/p.gif? - DIRECT/72.247.244.10 image/gif
1236698452.634    293 66.78.98.194 TCP_MISS/200 4972 GET 
http://blstb.msn.com/i/9B/DDD13A38CB8B34F4DFA3F7BFFF71.jpg - 
DIRECT/192.221.114.124 image/jpeg
1236698452.878    100 66.78.98.194 TCP_MISS/200 1076 GET 
http://h.foxsports.com/HG? - DIRECT/64.154.81.231 image/gif
1236698453.367    252 66.78.98.194 TCP_MISS/200 1368 GET 
http://www.myinternetservices.com/live/visitor/index.php? - 
DIRECT/72.232.167.111 image/gif
1236698454.087     13 66.78.98.194 TCP_MISS/200 812 GET 
http://weyedata.pelmorex.com/WeatherEye/ObsData/CAON0090.xml - 
DIRECT/207.96.160.37 text/xml
1236698455.251    116 66.78.98.194 TCP_MISS/200 1368 GET 
http://www.myinternetservices.com/live/visitor/index.php? - 
DIRECT/72.232.167.111 image/gif
1236698456.570   6451 66.78.98.194 TCP_MISS/200 45898 GET 
http://www.facebook.com/profile.php? - DIRECT/69.63.176.140 text/html
1236698456.876     77 66.78.98.194 TCP_MISS/200 2765 GET 
http://profile.ak.facebook.com/v227/2005/50/q638320646_36.jpg - 
DIRECT/209.170.91.178 image/jpeg
My iptables is the following
echo 1 > /proc/sys/net/ipv4/ip_forward
/sbin/iptables -t mangle -N DIVERT
/sbin/iptables -t mangle -A DIVERT -j MARK --set-mark 1
/sbin/iptables -t mangle -A DIVERT -j ACCEPT
/sbin/iptables -t mangle -A PREROUTING -p tcp -m socket -j DIVERT
/sbin/iptables -t mangle -A PREROUTING -p tcp --dport 80 -j TPROXY 
--tproxy-mark 0x1/0x1 --on-port 3129
//
any idea why I am not getting any TCP_HITS? ...
-- =-=-=-=-=-=-=-=-=-=-=-=-= Jamie Orzechowski - CCNA RipNET Ltd. System/Network Administrator Tel.: 613-342-3946 x294 THIS MESSAGE IS INTENDED ONLY FOR THE ADDRESSEE, IT MAY CONTAIN PRIVILEGED OR CONFIDENTIAL INFORMATION. ANY UNAUTHORIZED DISCLOSURE IS STRICTLY PROHIBITED. IF YOU HAVE RECEIVED THIS MESSAGE IN ERROR, PLEASE NOTIFY ME IMMEDIATELY SO THAT I MAY CORRECT MY INTERNAL RECORDS. PLEASE THEN DELETE THE ORIGINAL MESSAGE. =-=-=-=-=-=-=-=-=-=-=-=-=Received on Tue Mar 10 2009 - 17:47:26 MDT
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