Re: rc.local

[Visham Ramsurrun <vishamr2000@gmail.com>]

I am running the same script for all the packets. After it finishes
execution, it waits for the next signal (i.e the next packet to pass)

Regards,
Visham 

On 7/28/05, Jan Engelhardt <jengelh@linux01.gwdg.de> wrote:
> >> > you are right..i'm having a scripting problem..i don't know how to
> >> > make a script execute every time a packet is sent by my PC. how can i
> >> > do that?
> >>
> >> You don't want to execute a script for each packet... you could be
> >> easily DoSed. Try:
> >>
> >> http://netfilter.org/patch-o-matic/pom-base.html#pom-base-nth
> >> Please reply to the list, so everyone can help and learn. =)
> >
> >No I only want to execute a script for all packets that are packets
> >that are going to be sent out of the NIC (after the packets have been
> 
> That's still a DOS. If I pingflood you, your machine will most likely respond
> with "pongflood".
> 
> I have iptraf running for like 4 or 5 days now and it shows almost 11 GB
> which approximates to ~ 34 KB/sec (inet radio ;). Let's assume that every
> packet was 1500 bytes long - then this would mean that I would be starting 23
> processes per second, which really is inefficient.
> 
> And, you're looking for -j QUEUE.
> 
> >accepted as valid by a firewall). I don't know how to do that. Do you
> >know what is the last function in the iptables code or the first
> >function in the NIC driver, that a packet that has been accepted by
> >the firewall passes before it is sent on the wire? I would then write
> >some code so that when a call is made to that function, a signal is
> >raised and it will cause a shell script to execute.
> >I don't know abt the DoSed command. Do you have any example?
> >
> >If there is an easier way, please let me know...
> >
> >MAny thx for the reply.
> >
> >Warm regards,
> >Visham
> >
> >
> 
> Jan Engelhardt
> --
> | Alphagate Systems, http://alphagate.hopto.org/
>