True, you can enable or disable the individual protections of SmartDefense.
However, each protection is all or nothing. For example, the DNS protocol
inspection setting is either on or off for the entire corporation.
DNS protocol inspection may be a poor example because it adds modest value,
and turning it off is of little concern. There are others that you never
want to turn off, but it impacts the proper functioning of just one system.
It would be nice to allow that one system to function without jeopardizing
the entire network.
CheckPoint is a good firewall, and I like it, but there is room for
improvement.
-----------------------------------------------
Tony Pombo
Systems and Security Architect
-----Original Message-----
From: Mailing list for discussion of Firewall-1
[mailto:FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM] On Behalf Of
Christian
Chiaverini
Sent: Tuesday, October 25, 2005 2:30 PM
To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Subject: Re: [FW-1] Active Directory replication between VPN
site-site-tunnels
You don't have to disable all of SmartDefense, just the DNS protocol
inspection part.
Who said it was all or nothing?
On Tue, 2005-10-25 at 13:52 -0400, Tony Pombo wrote:
> Microsoft is always going to change things, but why should I have to
> completely disable enterprise-wide protection just so two windows PCs can
> communicate?
>
> My point is that I should be able to apply SmartDefense settings
> selectively. Currently, it's all or nothing. That's the bad design I
speak
> of.
>
> -----------------------------------------------
> Tony Pombo
> Systems and Security Architect
> Edict Systems, Inc.
> 937-429-4288 x279
> tony.pombo AT edictsystems DOT com
>
>
> -----Original Message-----
> From: Mailing list for discussion of Firewall-1
> [mailto:FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM] On Behalf Of
> Christian
> Chiaverini
> Sent: Tuesday, October 25, 2005 12:40 PM
> To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
> Subject: Re: [FW-1] Active Directory replication between VPN
> site-site-tunnels
>
> If Microsoft breaks the protocol and it is then dropped, SmartDefense is
> doing exactly what it is supposed to do. Microsoft has deviated from
> the RFCs before in this case they may be doing it again.
>
> Report this to CheckPoint and they may ignore the bad packets Microsoft
> sends when inspecting this in a hotfix or update of SmartDefense.
>
>
> Christian Chiaverini
> CCSE
>
>
>
> On Tue, 2005-10-25 at 10:19 -0400, Tony Pombo wrote:
> > I need to disable the DNS UDP protection for my entire firewall system
> just
> > so a couple domain controllers can talk? So, now I'm no longer
protected
> > against bad DNS UDP packets from the Internet? That's no good.
> >
> > In this manner, the entire SmartDefense architecture seems poorly
> designed.
> >
> > -----------------------------------------------
> > Tony Pombo
> > Systems and Security Architect
> > Edict Systems, Inc.
> > 937-429-4288 x279
> > tony.pombo AT edictsystems DOT com
> >
> > -----Original Message-----
> > From: Mailing list for discussion of Firewall-1
> > [mailto:FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM] On Behalf Of
cisco4ng
> > Sent: Tuesday, October 25, 2005 7:33 AM
> > To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
> > Subject: Re: [FW-1] Active Directory replication between VPN
> > site-site-tunnels
> >
> > This is quite simple. Under SmartDefense, there is an option under DNS
to
> > turn off
> > "udp protocol enforcement". just simply uncheck the box and re-push the
> > policy.
> > It will work after that.
> >
> > cisco4ng
> >
> > Loge VK <logevk AT GMAIL DOT COM> wrote:
> > I hope u have tried the Enabling Domain Name over UDP and TCP in Global
> > Properties... if u don't want to do that then add explicit rule with
> service
> > as domain-udp for this to pass..
> > Loge VK
> >
> > On 10/25/05, Kalpesh Patel wrote:
> > >
> > > Hi
> > >
> > > We have a Site-to-Site VPN tunnel between UK, Paris and Munich with
> "any"
> > > service going through the rule (for now).
> > >
> > > We have now moved over to Microsoft Active directory (Windows 2003
SP1)
> > > and for some reason I'm seeing "domain-udp" drops in the firewall logs
> > > between the domain controllers and the DC are not replicating through
> the
> > > firewalls.
> > >
> > > Does anyone have a solution to this?
> > >
> > > Regards
> > > Kalpesh
> > >
> > >
> > >
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--
Christian Chiaverini
Cablevision Systems - BISC
516 390-5401
christianc AT cv DOT net
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