Hi Every body i have some problems with tproxy after installation on ubuntu server 8.04 AMD 64 with the following : Iptables 1.4.0 squid-3.HEAD-20080901 tproxy-iptables-1.4.0-20080521-113954-1211362794.patch tproxy-kernel-2.6.25-20080519-165031-1211208631 Kernel 2.6.24.19 with the following rules file for iptables : *mangle :PREROUTING ACCEPT [263600:125723686] :INPUT ACCEPT [616826:343701577] :FORWARD ACCEPT [239812:121581975] :OUTPUT ACCEPT [1011781:458569186] :POSTROUTING ACCEPT [1250543:580095901] :DIVERT - [0:0] -A PREROUTING -p tcp -m tcp --dport 80 -j TPROXY --on-port 8080 --on-ip 0.0.0.0 --tproxy-mark 0x1/0x1 -A PREROUTING -p tcp -m socket -j DIVERT -A DIVERT -j MARK --set-mark 0x1 -A DIVERT -j ACCEPT COMMIT and the following ip rules : ip rule add fwmark 1 lookup 100 ip route add local 0.0.0.0/0 dev lo table 100 and enabling nonlocal bind echo 1 > /proc/sys/net/ipv4/ip_nonlocal_bind And with squid configuration http_port 8080 transparent tproxy And every thing is fine all users are going out with their own IP addresses and that what i want but there is some problems with post pages and some get ones i see these errors in squid cache.log : IPInterception.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed: (11) Resource temporarily unavailable commBind: Cannot bind socket FD 60 to 192.168.0.2:4288: (98) Address already in use and this error in my explorer : * Connection to www.yahoo.com failed.* The system returned: /(99) Cannot assign requested address / any body has some about this case HELP please