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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