Re: sharing files between to private networks in the same building

On Jul 16, 10:47 pm, "Bill Grant" <not.available@online> wrote:
No two networks can share files if they are isolated and secure. Yhe only
way for a network to be isolated and secure is by not connecting it to
anything! It is secure but pretty limited.

If you connect two networks with a router they become essentially one
network. Neither can be more secure than the other and both are probably
less secure than before.

You will also find that simply installing a router connected to both
networks will not automatically give you routing between the two networks.
If the machines in each network are configured to use some other device
(such as an Internet router) as their default gateway, no traffic will ever
get to your internal router. You will need to add static routes so that
traffic for the private networks goes to your internal router, not to the
gateway router.

"BrooklynBadass" <nedh...@xxxxxxxxxxx> wrote in message

news:1184586434.468777.170580@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx



On Jul 15, 7:51 pm, "Ace Fekay [MVP]" <PleaseAs...@xxxxxxxxxxxxxx>
wrote:
Innews:1184542886.272970.102390@xxxxxxxxxxxxxxxxxxxxxxxxxxx,
BrooklynBadass <nedh...@xxxxxxxxxxx> typed:

I want to share files between 2 private networks. Each network has its
own dhcp server, router, etc. and they wish to keep it that way. The
networks are close enough to run a cable between. Would it be possible
to install 2 nics in a server and share the files that way while
keeping each network isolated from the other?

I wouldn't put two NICs in a domain controller, otherwise you will be
inviting trouble. You can do it with a non domain controller, such as a
member server or even a non-member. You can also (recommended) purchase a
dedicated router.

--
Regards,
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Directory Services
Microsoft Certified Trainer

Infinite Diversities in Infinite Combinations

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Thanks for replying.
We'd be using a standalone server for this. I just want to make sure
that each network is iosolated and secure from the other and that both
will be able to access a common share.- Hide quoted text -

- Show quoted text -

Hi Bill

Thanks for your reply.
I understand your point with regard to isolated/secure.
I fired up Windows 2003 this morning and configured RRAS as a router.
It has 2 nics installed.
I noticed inbound and outbound packet filters for each interface which
allow me to limit source & destination to a single IP/protocol/port
for each network. I also looked at the netgear router (our default
gateway) and noticed it allowed me to enter routes to the lan side of
the network. So when someone attempts to access the share on the other
network the default gateway will know to send them to the Win2k3
router. I think this might work but I won't know for sure until I test
it out or until someone in this group with more experience than me
confirms it. As far as security goes, I think I could configure a
share on each network as a drop box so they can anonymously write
files but can't read or delete.
Thanks

.

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