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Re: CheckPoint FW1 BUG (fwd)

daemon@ATHENA.MIT.EDU (Kis-Szabo Andras)
Mon Jul 10 02:57:55 2000

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Message-Id:  <20000708110129.B26781@sch.bme.hu>
Date:         Sat, 8 Jul 2000 11:01:29 +0200
Reply-To: Kis-Szabo Andras <kisza@SCH.BME.HU>
From: Kis-Szabo Andras <kisza@SCH.BME.HU>
To: BUGTRAQ@SECURITYFOCUS.COM
In-Reply-To:  <Pine.GSO.4.21.0007070909001.16655-100000@mail>; from
              bgreenbaum@SECURITYFOCUS.COM on Fri, Jul 07,
              2000 at 09:15:33AM -0700

Hi,

> If you flood port 264 ( FW1_topo ) from your local network, the Firewall-1
> CPU reaches 100% and nobody can connect with GUI ( neither on the firewall
> itself ).
> The test has been done on a local 10 MB Ethernet against a PII 266 256 MB,
> FW1 4.1 SP1 in a NT 4.0 SP4 with the ippacket software and spoofing the
> source IP, and that4s the packet sent :

I've got 2 question:
- is the DoS present on SUN/Solaris platforms? ( || only NT?)
- if You deny the FireWall-1 controll connections on the
  properties screen, and add the minimum rules to the rulebase
  with specify the explicit src/dst addressess (and controll protocolls)
  , stops the DoS, or not? (CheckPoint using the interface correctly?)

REgards,

	kisza

--
  Kis-Szabo Andras          Budapest University of Technology and Economics
---------------------------/    Schonherz Dormitory
      kisza@sch.bme.hu    /---------------------------------33O-->>>>.Info

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