Local Proxy Server and NDIS+TDI

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This topic contains 3 replies, has 2 voices, and was last updated by  Vadim Smirnov 9 years ago.

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  • #5228

    yduuz
    Participant

    Some antiviruses and firewals work as “Local Proxy” (ex ESET Smart Security), so using your NDIS and TDI libraries I can’t determine which application a packet belongs to.
    Is there a way to defeat that?

    #6683

    Vadim Smirnov
    Moderator

    Transparent local proxy? If you can’t intercept application network activity on the TDI level then probably mentioned antiviruses use Layered Service Provider (LSP) to redirect the connection to the local proxy and thus it does reach TDI only from the name of local proxy, not in the context of the calling application. If this is really so you have to create your own LSP and layer it just above AV LSP to get connection first.

    #6684

    yduuz
    Participant

    As I see on your site you don’t have an LSP solution. Do you plan to make one in the near future?

    #6685

    Vadim Smirnov
    Moderator

    LSP sample is available in WIndows SDK. Personally I don’t like LSP, its implementation in Windows wishes better.

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