Re: [RFC nf-next PATCH] netfilter: nf_conntrack_proto_tcp: propagate IP_CT_TCP_FLAG_BE_LIBERAL

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On 20 October 2016 at 20:14, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
>
> There is a 'TCPWindowTracking' option that you can set on from the
> configuration file.
>
> Is that probably what Mathew needs?

@Mathew, could you please share what are your problems with this
conntrackd code?


/* disable TCP window tracking for recovered connections if required */
if (nfct_attr_is_set(ct, ATTR_TCP_STATE)) {
    uint8_t flags = IP_CT_TCP_FLAG_SACK_PERM;

    if (!CONFIG(sync).tcp_window_tracking)
        flags |= IP_CT_TCP_FLAG_BE_LIBERAL;
    else
        flags |= IP_CT_TCP_FLAG_WINDOW_SCALE;
[...]
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