Re: traffic creation

Can't you use telnet to test open ports?

Telnet or NMAP + Ethereal(Wireshark) look for RSTs

Record traffic with tcpdump, replay it with tcpreplay?



On 9/4/07, Oğuz Yarımtepe <comp.ogz@gmail.com> wrote:
> Hi all,
>
> In my test environment i have some servers (web, time, dns, email, ftp). And
> they are connected to some firewalls. What i want to do is to test my
> firewall rules by creating a traffic and see whether the packages are passing
> and reaching to the servers or not.
>
> As i read, hping is the tool for creating packages. So i may try to send some
> TCP packages with -S flag to their open ports (80, 21 ...) and expect
> packages with SA flag.
>
> First of all is this a true approach?
>
> Second, i want to create a random traffic like a real internet environment,
> like some hosts are requesting service from my servers, trying to reach them,
> and analyze the traffic and see the results as "oh ok this ip had been
> restricted to my web server from firewall A and it seems the rule is
> correct". So i am open to all ideas and solution about creating this test
> environment. Thanx.
>
> --
> Oğuz Yarımtepe
> http://www.yarimtepe.com/en


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