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    SubjectRe: 2.6.9 NAT problem


    On Tue, 14 Dec 2004, Martin Josefsson wrote:

    > 2.6.9 contains a large update to the connectiontracking code. One thing
    > that was changed is that it now verifies the checksum of tcp and udp
    > packets. I know of at least one user who has been bitten by this and what
    > looks like a broken sungem NIC.
    >
    > Could you please try this:
    >
    > modprobe ipt_LOG
    > echo 255 > /proc/sys/net/ipv4/netfilter/ip_conntrack_log_invalid
    >
    > Then try again and then check the kernellog by executing 'dmesg', see if
    > it complains about bad checksums.

    Yes :(


    --
    Giuliano.
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