Re: Using SBS 2003 for all remote access.

From: David Jones [MSFT] (dajones_at_online.microsoft.com)
Date: 06/29/04


Date: Tue, 29 Jun 2004 15:49:53 -0700


<anonymous@discussions.microsoft.com> wrote in message
news:230bb01c45e2a$10127920$a301280a@phx.gbl...
> Makes perfect sense, Yes of course only the ports needed
> for the services we need access to on the web side would
> be open and I assume the built in firewall will handle
> that. BTW I plan on using Terminal Services for any admin
> on the server itself as it will be in a cabinet in a co-
> lo facility. Will I have to make sure this is allowed in
> the firewall config or will the wizard handle this for me
> when I setup remote access?
>
> Thanks David.
>
> Bill

After the server is installed, there will be a wizard called "Connect to the
Internet" - during that wizard you'll be able to enable the built-in
firewall, and there's a checkbox you can check to allow Terminal Services
in.
So both, basically - the wizard will do it, but you just need to make sure
and check the box for TS, as it won't be selected by default.

David Jones
SBS Product Team

-- 
This posting is provided "AS IS" with no warranties, and confers no rights.
>
>
> >-----Original Message-----
> >> So above the built in firewall I should have another
> >> piece of hardware between the SBS machine and the
> >> internet? If I am allowing access to any ports open on
> >> the web side of the SBS machine via the firewall anyway
> >> how does it help?
> >>
> >> Bill
> >
> >If the SBS machine has 2 NICs, one connected to your
> internal switch that
> >gets blackholed, or to create an internal network, SBS
> itself can configure
> >a firewall, and you can then only allow the ports you
> need to be opened.
> >If the SBS machine has 1 NIC, SBS itself cannot
> configure the built-in
> >firewall, and you would definately need another piece of
> hardware.
> >You would not want to allow all ports from the Internet
> to the SBS machine,
> >that's the security risk I'm talking about.  You would
> only want the ports
> >needed for what your users need, such as for VPN, the
> web server, Outlook
> >over the Internet, etc.
> >
> >Adding another hardware firewall is an additional layer
> of defense, but is
> >not required if you let SBS configure the built-in
> firewall.
> >
> >Does that make sense?
> >
> >David Jones
> >SBS Product Team
> >-- 
> >This posting is provided "AS IS" with no warranties, and
> confers no rights.
> >
> >
> ><anonymous@discussions.microsoft.com> wrote in message
> >news:233ba01c45e25$4f592660$a501280a@phx.gbl...
> >>
> >>
> >> >-----Original Message-----
> >> >> I do not understand why have the second NIC connect
> to
> >> a
> >> >> hub? Would I be configuring that NIC to be
> the "local
> >> >> network" and therefore all domain controller type
> >> >> functions will use that NIC? The server already has
> two
> >> >> NICs and I have a managed switch in the cabinet. So
> I
> >> can
> >> >> just connect that second NIC to a port in the switch
> >> and
> >> >> just block all outside access to that port. All of
> the
> >> >> other machines in the cabinet are Server 2003 Web
> >> edition
> >> >> to be used for serving out our networked
> applications
> >> and
> >> >> web content we offer. They all have dual NICs so I
> >> >> suppose I could configure the second NICs on all
> >> machines
> >> >> to be on an internal network and use some of the
> >> >> functionality of the SBS machine for something.
> What I
> >> >> don't know at this time, possibly for setting up
> >> network
> >> >> shares of the drives for accesing them via the VPN
> on
> >> the
> >> >> SBS machine.
> >> >
> >> >
> >> >Blocking all outside access to that port in the switch
> >> would work as well.
> >> >Yes, basically, it would be to configure an "internal
> >> network", so the
> >> >domain controller functionality listens on that NIC,
> and
> >> SBS configures its
> >> >own firewall to block access from external/Internet
> >> sources to those ports.
> >> >Configuring the second NICs on all the other machines
> is
> >> an option too, if
> >> >you wanted any of the functionality gained from that.
> >> Up to you really.
> >> >The key thing with SBS is to just make sure there's an
> >> active firewall up
> >> >between it and the main Internet.
> >> >
> >> >David Jones
> >> >SBS Product Team
> >> >
> >> >-- 
> >> >This posting is provided "AS IS" with no warranties,
> and
> >> confers no rights.
> >> >
> >> >
> >> ><anonymous@discussions.microsoft.com> wrote in message
> >> >news:231e501c45e13$e5786a00$a401280a@phx.gbl...
> >> >>
> >> >> >-----Original Message-----
> >> >> >"Bill" <anonymous@discussions.microsoft.com> wrote
> in
> >> >> message
> >> >> >news:2309d01c45e03$cd44fda0$a401280a@phx.gbl...
> >> >> >> Are there any issues with using SBS 2003 Standard
> >> for
> >> >> >> remote access ONLY. All of our employees work
> >> remotely
> >> >> >> with broadband connections and right now we use a
> >> POP
> >> >> >> server for mail, a web based calander with way to
> >> many
> >> >> >> logins for scheduling, FTP for doocument transfer
> >> and
> >> >> AIM
> >> >> >> for instant messaging. I would like to replace
> all
> >> of
> >> >> >> those methods with SBS. I plan on setting up an
> SBS
> >> >> >> server in a co-location facility and have
> everyone
> >> >> access
> >> >> >> it via VPN. Are there any issues with this?
> >> >> >
> >> >> >Hi Bill,
> >> >> >
> >> >> >In addition to what others have said, it is
> extremely
> >> >> important in this
> >> >> >scenario for you to have a properly configured and
> >> >> maintained firewall
> >> >> >between the server and the Internet.  Because SBS
> must
> >> >> be a domain
> >> >> >controller, and the baggage that comes with that,
> it
> >> >> must have certain ports
> >> >> >listening.  Without a firewall, you risk exposing a
> >> >> domain controller
> >> >> >directly to the Internet, which is a major security
> >> risk.
> >> >> >This (the firewall) can be accomplished with a
> >> hardware
> >> >> device, or by using
> >> >> >2 NICs in the server and putting the unused NIC on
> a
> >> >> dummy hub.  There are
> >> >> >additional ways to configure a firewall on the
> server
> >> >> while using only 1
> >> >> >NIC, but SBS will not configure it as such.
> >> >> >
> >> >> >David Jones
> >> >> >SBS Product Team
> >> >> >
> >> >>
> >> >>
> >> >> Thanks for all the help guys!
> >> >>
> >> >> Bill
> >> >
> >> >
> >> >.
> >> >
> >
> >
> >.
> >


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