Re: Simulating Retransmissions

["Mike Gibson" <micheal.gibson () gmail com>]

Or does anyone know of a proxy application like Achilles or Burp that
works at the TCP level so that I could just drop the ACK packets while
they were on their way out of the client machine?

On 4/13/06, Mike Gibson <micheal.gibson () gmail com> wrote:
> Hi everyone,
>
> I need to have a server application retransmit some TCP packets to my
> client to test my IDS.
>
> What I was hoping to do is use Perl or something to basically
> establish the 3 way handshake and then send a request to an HTTP
> server or something and then never acknowledge the content returned.
> Basically it will look something like this.
>
> Client -> SYN -> Server
> Server -> SYN/ACK -> Client
> Client -> ACK -> Server
> Client -> GET /index.html -> Server
> Server -> Contents of index.html -> Client
> Server -> Contents of index.html -> Client
> Server -> Contents of index.html -> Client
> Server -> Contents of index.html -> Client
> Repeated until the retransmission algorithm expires.
>
> Can anyone think of any utilities that could help me with this or
> point me towards the correct Perl modules.
>
> Thanks
>
> Mike Gibson

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