Re: Grouping connections

[Ulisses Araújo Costa <ulissesaraujocosta () gmail com>]

One session have many connection. And one connection have many packets... I
think the problem is that  don't explain what connection means to me...

2009/4/24 Ulisses Araújo Costa <ulissesaraujocosta () gmail com>

> I want identify connection not sessions. I want more detail: connections...
>
> 2009/4/24 Joel Esler <jesler () sourcefire com>
>
> A session is made up of connections.  Now I am throughly confused about
> > what you are asking for.
> > J
> >
> > 2009/4/24 Ulisses Araújo Costa <ulissesaraujocosta () gmail com>
> >
> > Joel Esler, with 'tag:session' I just can identify the session. I want be
> > > able to identify connections.
> > >
> > > 2009/4/23 Joel Esler <jesler () sourcefire com>
> > >
> > > The fact that the alert took place tells you that flow X <> Y happened.
> > > > J
> > > >
> > > > 2009/4/22 Ulisses Araújo Costa <ulissesaraujocosta () gmail com>
> > > >
> > > > > Hi Leon,
> > > > >
> > > > > what I want is to record that the request X have the response Y. What I
> > > > > explained, is that probably the request X is just a packet, but the response
> > > > > Y is 4 packets. The only thing I want to know is that the flow X <> Y
> > > > > happened.
> > > > >
> > > > > 2009/4/22 Leon Ward <seclists () rm-rf co uk>
> > > > >
> > > > > Hi.
> > > > > > Sorry I don't think I understand what you are asking. Can you share
> > > > > > the goal you are trying to achieve rather than the method you are trying to
> > > > > > resolve it by?
> > > > > >
> > > > > > > The idea is make Snort just consider that as 2 states (me making the
> > > > > > request and google sending the response). The problem is I want to make that
> > > > > > to connections, not sessions.
> > > > > >
> > > > > > If you need to differentiate between data in each flow direction, take
> > > > > > a look at "flow".
> > > > > >
> > > > > > -Leon
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > 2009/4/22 Ulisses Araújo Costa <ulissesaraujocosta () gmail com>
> > > > > >
> > > > > > > Joel,
> > > > > > >
> > > > > > > that's what I said:
> > > > > > >
> > > > > > > "
> > > > > > > The problem is I want to make that to connections, not sessions.
> > > > > > >
> > > > > > > If it was sessions I can use the 'flag' keyword.
> > > > > > > "
> > > > > > >
> > > > > > > But I *don't* want sessions.
> > > > > > >
> > > > > > > 2009/4/22 Joel Esler <jesler () sourcefire com>
> > > > > > >
> > > > > > > > Take a look at the tag keyword.
> > > > > > > > http://www.snort.org/docs/snort_htmanuals/htmanual_284/node373.html
> > > > > > > >
> > > > > > > > The flags keyword simply will trigger on the presence of certain TCP
> > > > > > > > flags set in the packet.  This is probably not what you want.
> > > > > > > >
> > > > > > > > J
> > > > > > > >
> > > > > > > > 2009/4/22 Ulisses Araújo Costa <ulissesaraujocosta () gmail com>
> > > > > > > >
> > > > > > > > >  Hello,
> > > > > > > > >
> > > > > > > > > I'm using Snort in a project. I'm wondering if with Snort I can
> > > > > > > > > group packets from the same connection. For example: if I request
> > > > > > > > > google.com, I just send one packet but the response came in
> > > > > > > > > (imagine) 4 packets. The idea is make Snort just consider that as 2 states
> > > > > > > > > (me making the request and google sending the response). The problem is I
> > > > > > > > > want to make that to connections, not sessions.
> > > > > > > > >
> > > > > > > > > If it was sessions I can use the 'flag' keyword. Now I'm seeing if
> > > > > > > > > the way is using preprocessors, in this case the HTTP preprocessor.
> > > > > > > > >
> > > > > > > > > Can you help me?
> > > > > > > > >
> > > > > > > > > Best Regards,
> > > > > > > > >
> > > > > > > > > --
> > > > > > > > > Ulisses Costa - http://caos.di.uminho.pt/~ulisses/<http://caos.di.uminho.pt/%7Eulisses/>
> > > > > > > > >
> > > > > > > > >
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> > > > > > > > --
> > > > > > > > joel esler | Sourcefire | gtalk: jesler () sourcefire com |
> > > > > > > > 302-223-5974 | http://twitter.com/joelesler
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > > Ulisses Costa - http://caos.di.uminho.pt/~ulisses/<http://caos.di.uminho.pt/%7Eulisses/>
> > > > > > >
> > > > > > >
> > > > > > > ------------------------------------------------------------------------------
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> > > > > > > around Java (TM) technology - register by April 22, and save
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> > > > >
> > > > > --
> > > > > Ulisses Costa - http://caos.di.uminho.pt/~ulisses/<http://caos.di.uminho.pt/%7Eulisses/>
> > > >
> > > >
> > > >
> > > > --
> > > > joel esler | Sourcefire | gtalk: jesler () sourcefire com | 302-223-5974 |
> > > > http://twitter.com/joelesler
> > >
> > >
> > >
> > > --
> > > Ulisses Costa - http://caos.di.uminho.pt/~ulisses/<http://caos.di.uminho.pt/%7Eulisses/>
> >
> >
> >
> > --
> > joel esler | Sourcefire | gtalk: jesler () sourcefire com | 302-223-5974 |
> > http://twitter.com/joelesler
>
>
>
> --
> Ulisses Costa - http://caos.di.uminho.pt/~ulisses/<http://caos.di.uminho.pt/%7Eulisses/>



-- 
Ulisses Costa - http://caos.di.uminho.pt/~ulisses/

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