As default only connections from PRI to PSN(DMZ) is allowed, U need to
enable tunnels if access is permitted from PSN to PRO - so if DMZ is
hacked, no access to PRI should be possible.

Felix

-----Original Message-----
From: David Morris [mailto:[EMAIL PROTECTED]
Sent: 4. august 2003 16:36
Cc: GnatBox Users Group
Subject: RE: [gb-users] Communication glitches PSN<>PRI


Perhaps I'm missing something, but that looks like an unrestricted
connection between PRI & PSN. If so, what is the point of setting up a
DMZ? Any hacked machine in DMZ would have full access to PRI.

Dave Morris

On Mon, 4 Aug 2003, Felix Nielsen wrote:

> Enableling "IP Pass Through Filters" will eliminate "lost connection"
> and problems when coping large files to/from the PSN.
>
> We had the same problem before we used "IP Pass Through", and it could

> be tested quite easy. One workstation started copying a big file to
> the PSN, another workstation did the same after a while, and then the
> first workstation lost the connection.
>
> Config:
>
> IP Pass through -> Hosts/Newtworks :
>
> Object/Adress = ANY_PRI
> Destination = PSN
> Inbound = Yes
>
>
> IP Pass through -> Filters :
>
> Interface = PRI
> Protocol = <all>
> Type = Accept
> Source = ANY_PRI
> Destination = ANY_PSN
>
>
> Hope it helps :)
>
> Felix Nielsen
> Denmark
>
> > -----Original Message-----
> > From: Christopher A. Congdon [mailto:[EMAIL PROTECTED]
> > Sent: 1. august 2003 17:29
> > To: [EMAIL PROTECTED]
> > Subject: [gb-users] Communication glitches PSN<>PRI
> >
> >
> > The way our current network is setup, all of our servers are in the
> > PSN, and the only things on PRI are the workstations. The reason for

> > this setup is that we are a web hosting & web design company. All
> > the servers
> > that we have up have public services on them.
> >
> > However, this appears to be causing us some headaches...
> >
> > Lag in communications - There's a workstation that uses our Exchange

> > server, and the delay in opening messages makes it feel like the box

> > is on the 'Net instead of a LAN
> >
> > Delayed write failures - I can't work on databases if I leave them
> > on the server. I have to either open them Read-Only to look at the
> > data only or copy them to my workstation if I want to edit them.
> >
> > Lost connections - Constantly having to re-enter passwords for
> > network shares. I also have a couple of workstations out on our
> > frame-relay WAN (which is anchored in the PRI)... These workstations

> > can't copy large files from the server. After getting about a third
> > of the way through, they get notification that the connection has
> > been reset. This appears to only happen between PRI/PSN. I can copy
> > files between two boxes on the PSN all day long and nothing appears
> > to happen.
> >
> > Thank goodness, about the only service that appears to be unaffected

> > is Terminal Server. But because of these problems, I've been
> > seriously considering just eliminating the PRI on our network,
> > unless maybe, somebody has some suggestions at things I can do to
> > clear this up?
> >
> >
> >
> > Christopher Congdon
> > Network Engineer
> > Congdon.WEB
> > [EMAIL PROTECTED]
> > http://www.congdonweb.com
> > 317-920-9601
> >
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