Security Basics
security in P2P Jul 27 2012 07:08AM
Pratik Narang (pratik cse bits gmail com) (2 replies)
Re: security in P2P Jul 29 2012 11:52PM
Mike S (mikeofmany gmail com)
So if this is a private network, upon submitting the file for
tracking, one can setup the hash of the file. Then if the file is
modified, that hash can be compared against the modified file, to me
this seems like the only way to have a detection based on anomaly.

Otherwise, If it is my network, and I do not control the P2P network,
then I would choose not to allow such traffic in order to protect
against such things as are out of my control.

--
Mike of Many Stories, Ideas, and Ramblings
Game Chef 2009, 2010
NaNoWriMo 2008, 2009

http://mikeofmanystories.blogspot.com/ - writings
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On Fri, Jul 27, 2012 at 12:08 AM, Pratik Narang
<pratik.cse.bits (at) gmail (dot) com [email concealed]> wrote:
>
> Hi all,
>
> Consider a situation involving (only) Peer to Peer traffic in a small
> or medium sized network.
>
> Peer A does a search for file qwerty.mp3, and then starts pulling the
> file, in pieces, from different Peers- B, C, D and E.
>
> Now say Mr. C is a malicious peer, and the file at his end contains a
> malware/virus/trojan etc. Or better still, Mr. C decides to target
> peer A and injects a malware/trojan etc. into one of the pieces of the
> file.
>
> As a network admin, what one may do that innocent peers like A are
> protected from such situations. I need a solution involving use of
> IDS/IPS with signature based and/or anomaly based detection.
>
> Kindly do not suggest actions or measures relating to the end user.
> Whatever has to be done, must be done in the network design/plan- say
> use Snort or some other IDS/IPS and write rules to an Open source
> firewall using the IDS/IPS for this specific scenario.
>
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[ reply ]
Re: security in P2P Jul 27 2012 05:00PM
Rajiv D (rajiv ceh gmail com) (1 replies)
Re: security in P2P Jul 28 2012 11:19PM
Jeffrey Walton (noloader gmail com) (1 replies)
Re: security in P2P Jul 29 2012 08:09AM
Rajiv D (rajiv ceh gmail com)


 

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