[Snort-users] Re: Preproc tuning

Mohamed Eldesoky eldesoky.lists at ...11827...
Sun Jun 19 02:58:20 EDT 2005


Remove it from the .conf and see the performance again

On 6/17/05, Joel Esler <eslerj at ...11827...> wrote:
> could be.  I made a change to the rpc processor too, but that wouldn't
> cause a performance increase.  interesting.
> 
> On 6/17/05, snort user <snort.user at ...11827...> wrote:
> > In both cases, it does exactly the same thing in the code.
> > and this happens when snort starts.
> > so i dont understand if there is a performance difference.
> > might be something else that is causing the performance difference
> > 
> > 
> > On 6/17/05, Joel Esler <eslerj at ...11827...> wrote:
> > > I know what it does.  What I am saying is, if you specify them in the
> > > .conf file, as opposed to letting the compiled code do it, is it
> > > faster?  In my tests it's showing significant CPU performance
> > > increase..
> > >
> > > J
> > >
> > > On 6/17/05, snort user <snort.user at ...11827...> wrote:
> > > > Those are the default ports for which state tracking/reassembly is
> done
> > > > if you dont specify anything in the snort.conf
> > > >
> > > > #   ports [list] - use the space separated list of ports in [list],
> "all"
> > > > #                  will turn on reassembly for all ports, "default"
> will turn
> > > > #                  on reassembly for ports 21, 23, 25, 53, 80, 143,
> 110, 111
> > > > #                  and 513
> > > >
> > > >
> > > > On 6/17/05, Joel Esler <eslerj at ...11827...> wrote:
> > > > > Has anyone else noticed a significant performance increase by
> > > > > specifying the ports for stream4?
> > > > >
> > > > > If I look at the code for stream 4, take the ports that are in
> there.
> > > > > and specify them via the snort.conf
> > > > >
> > > > > ports: < 21 23 25 53 42 80 110 111 143 513 >....etc..
> > > > >
> > > > > It is SO much faster and doesn't consume as much CPU resources...
> > > > >
> > > > > anyone?
> > > > >
> > > > >
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> 
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-- 
Mohamed Eldesoky
www.eldesoky.net
RHCE




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