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Checkpoint Firewall denying Explicit SSL
From: "Rob Thompson" <my.security.lists () gmail com>
Date: Fri, 7 Dec 2007 12:39:57 -0800

Hello list,

I hope that this is an okay place to post this thread.  I am really
not sure where else to go and I feel it'll be more productive than
trying to call Checkpoint.

I am running into a problem where I have a Checkpoint firewall that I
am being blocked by.  (It's our firewall that's doing the blocking...
Funny huh?)

I am attempting to connect to an Explicit SSL FTP server.  (Why
explicit???  Beats me, not nearly as secure as Implicit SSL.)

When I connect, the initial connection occurs fine and I am receiving
the initial response from the server that I am connecting to.  The
problem is the data connect is not being allowed out of my network.

I have done a little bit of research on this and found that there is a
bug with Checkpoint firewalls and SSL via FTP.  I was referred to
"Checkpoint support article sk9930" by a site that I Blackled.

Here's the problem, I can't find this article.  I tried to locate it
via Checkpoints site and either this article is too old and is no
longer posted or...well I can never really find anything through that
company...  Their site is, IMO, a true cluster....  Blackle/Yahoo - is
coming up with nothing.

Newho - is there anyone out there that has or can point me to a site
that has article SK9930?  I really would like to be able to help fix
this problem without having to call Checkpoint out here to fix a known
bad problem in their device.  Not to mention the hassle of trying to
even deal with them.

I'm sorry that this e-mail is so vague, I included what I think is
pertinent.  If you need further information, I will do my best to
provide what I can.

Thank you in advance for any help that can be provided...


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