Re: ipsec tunnels & packet length issues

From: Eric Masson (e-masson_at_kisoft-services.com)
Date: 10/28/03

  • Next message: Hajimu UMEMOTO: "Forward: HEADS UP! Default value of ip6_v6only changed" 
    To: Michael Sierchio <kudzu@tenebras.com>
Date: Tue, 28 Oct 2003 12:40:04 +0100

    >>>>> "Michael" == Michael Sierchio <kudzu@tenebras.com> writes:

     Michael> You should allow for an IP header with options and the ESP
     Michael> header, which is smaller than 1450. For SKIP I use 1366 as the
     Michael> advertised MTU, and for IPsec usually 1436, unless I need to
     Michael> accomodate ESP and AH, in which case it's smaller.

    Ok, that's fine.

     Michael> It's a known feature of any sort of IP encapsulation.

    I understand.

    I'm no kernel hacker at all, I was just thinking about the ability for
    the tunnel endpoint to send back an icmp packet type 3 code 4 when the
    packet is too long to be encapsulated.

    Is this plain dumb or does it present any interest ?

    Regards

    Eric Masson 

    -- 
 comment fait on pour craker un logiciel car j'ai le logiciel et le
 crack, et quand je lance le crack ca m'ouvre une session dos et c'est
 tous, y'a t'il quelque chose à écrire dans cette session sous dos ?
 -+- FV in : Guide du Neuneu Usenet : Aidez-moi ou je cracke -+-
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