Craig,
several times I tried it (old times, okay, I'm speaking of an NG FP3
lab...). But, as I earlier stated, I was never able to set it up in a
RELIABLE way. In most cases, there were clients randomly being dropped by
the firewall, and, in other cases, completely unable to get to the server.
I always arranged to have it fixed by changing the design of my connections,
that's to say keeping clients and servers on the same side of the firewall.
But, if you arranged to have it working, I would surely reconsider the
opportunity of setting up a test lab... So, if it is the case, how did you
do?
Thanks
NA
----- Original Message -----
From: "Craig Paterson" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, March 10, 2004 2:18 PM
Subject: Re: [FW-1] SecureClient - Outlook and Exhange
> You could try and use dce-rpc entries under services, this contains
entries for Exchange and goes on uuid instead of port number
>
>
>
> -----Original Message-----
> From: Mailing list for discussion of Firewall-1
> [mailto:[EMAIL PROTECTED] Behalf Of Brett,
> Gary
> Sent: 10 March 2004 13:05
> To: [EMAIL PROTECTED]
> Subject: Re: [FW-1] SecureClient - Outlook and Exhange
>
>
> Thanks NA, so what youre saying is, the tcp 1053 and tcp 1068 that I keep
> getting are RANDOM ports and will inevitably change at some point to other
> random ports ? If thats the case then I am shocked that microsoft have
> designed it like this, and they wonder why there mail products are subject
> to so much hacking !
>
>
>
> -----Original Message-----
> From: Not Available [mailto:[EMAIL PROTECTED]
> Sent: 10 March 2004 12:52
> To: [EMAIL PROTECTED]
> Subject: Re: [FW-1] SecureClient - Outlook and Exhange
>
>
> Well, try sniffing the traffic between client (outlook) and server
> (exchange) and you will discovre in horror what RPC is.
> There are two main "flavors" of RPC: the UNIX (named RPC) and the Windows
> (DCE-RPC). The basic idea is the same: use a fixed port (111/UDP and
111/TCP
> for UNIX, 135/TCP for Windows) to negotiate a random, high port onto which
> perform the true data connection.
> Yes, RANDOM port. Checkpoint somehow handles RPC and DCE-RPC, but I have
> NEVER been able to set it up reliably. In those cases, I'd rather stick to
> "any".
>
> For the naming resolution of services, Checkpoint uses its internal
database
> as well as the /etc/services file.
>
> Hope this helps
>
> NA
>
>
> ----- Original Message -----
> From: "Brett, Gary" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, March 10, 2004 12:56 PM
> Subject: [FW-1] SecureClient - Outlook and Exhange
>
>
> > Hi there
> >
> > I am attempting to get outlook 2000 clients connecting to a exchange 5.5
> > server over SecureClient (NG FP3). If i create an outbound `Desktop
> Policy`
> > rule that says - -
> >
> > [EMAIL PROTECTED] ---> Exchange_box_internal_address - Service=Any
> >
> > ...then every thing works no problem at all. But I have been asked to
get
> > rid of rules with "Any" in the service column and lock it down to the
> > required tcp/udp ports/services only.
> >
> > Has anybody configured this to work already? if so which ports do i need
> to
> > keep open to get this working, so far i have
> >
> > tcp 135
> > tcp 1053
> > tcp 1068
> >
> > Can anyone think of any more that outlook potentially might want to use
?
> >
> > PS: Why, when TCP-135 appears in the log, it resolves to the name
"epmap"
> > but when i look in services listing in NG there is no "epmap" or in
fact
> no
> > service at all for TCP-135 ???, im very confused by this, I want to add
> the
> > service to a rule but it doesnt exist , but it does ..! if you see what
i
> > mean. Would i have to create the service and call it something else ??
> >
> > any help would be greatly appreciated
> >
> > Cheers
> > Gary
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