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    SubjectRe: [PATCH] [RFC] Support for wccp version 1 and 2 in ip_gre.c
    Replying to Lincoln Dale:
    > the logic is correct, but it may make sense to call the appropriate
    > netfilter hook again with the "unwrapped" GRE packet, as otherwise
    > packets-inside-GRE represent a possible security hole where one can inject
    > packets externally and bypass firewall rules.

    From what I observe, netfilter hooks *are* called for unwrapped packets.
    Either for usual IP packets passed from GRE tunnel, or for demangled
    wccp packets.

    Paul P 'Stingray' Komkoff Jr // <- my pgp key
    This message represents the official view of the voices in my head
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