Re: Porting a Win app to MAC 10
Re: Porting a Win app to MAC 10
- Subject: Re: Porting a Win app to MAC 10
- From: Kaelin Colclasure <email@hidden>
- Date: Thu, 18 Apr 2002 09:28:48 -0700
Hi Colin,
A packet sniffer can indeed be used to reverse engineer a protocol as you
suggest-- provided the implementors have not taken measures to thwart
reverse engineering or sniffing. Start by capturing all packets addressed
to the Windows machine while the Windows client is launched, exercised and
exited. A quick skim through those should allow you to determine what
ports are used, how involved the protocol appears and whether it is
encrypted or not.
BE WARNED, however, that if you decide to actually proceed to the point of
connecting to the service provider, it would be best to have their
permission. Since they presumably use a proprietary client, the server
software may not be very robust. If you accidentally crash their server
(and they figure out who's responsible), they may cut off your service or
worse.
-- Kaelin
On Thursday, April 18, 2002, at 07:02 AM, Colin Chicoine wrote:
Hi!
There is a Win app for Real Estate Agents which will never be ported to
OS 10.
And I hate Win to death!
It is a client which communicates through ip to the server for ether
posting and retrieving information on real estate.
How would I go about decifering the date sent between the client and
server since thats the information needed to get things to work.
Should I use a Packet sniffer like ettercap, macsniffer or does anyone
have a better suggestion. Is there documentation on the web for this type
of hacking?
Tks in advance for your help!
Colin
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