Checkpoint issues with linux

["Jason Lewis" <jlewis () packetnexus com>]

Background.... I am putting linux servers at different locations across the
country.  The customer is required to open ports 7000-8000 inbound and
outbound for our proprietary client to communicate.  It is encrypted ftp
traffic.  The normal test procedure is to telnet from a windows laptop to
port 7000 at our noc.  This works fine with the windows box, but then fails
with the linux box.  Same IP used for both.

The issue was repeated at a second location using checkpoint fw.  I don't
use/own any checkpoints so getting support is difficult.

The problem seems related to linux and high ports (I am using 7000-8000)
with checkpoint FW, lower port ranges work fine.  I have been able to telnet
from our noc to the target with windows and solaris, but not linux.

Is there a something that is missing in the checkpoint config?  Is this a
known issue?

Jason Lewis
http://www.packetnexus.com
It's not secure "Because they told me it was secure".
The people at the other end of the link know less
about security than you do. And that's scary.

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