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Rule bypassing in CheckPoint NGX R60
From: fitz <fitzimailing () yahoo de>
Date: Wed, 07 Sep 2005 14:13:14 +0200
as playing a little bit with CheckPoint NGX new
release R60, I noticed a serious problem with the
predefined service group "CIFS".
This group includes the services called "microsoft-ds"
(TCP Port 445) and the predefined service group "NBT",
which includes some old smb-stuff.
If I use this predefined service group "CIFS" in a
rule, then every traffic matching the source an the
destination will pass the firewall, whatever service
it is (icmp, telnet and so on.). So its the same like
using "ANY" in the services column.
Workaround: Create an own group called "CIFS-custom"
(e.g.) and put the service "microsoft-ds" and
service-group "NBT" in it and use this in your
BTW: I tested it at SecurePlatform NGX (R60) Build
244.... and didn't checked older releases and
- Rule bypassing in CheckPoint NGX R60 fitz (Sep 07)