Setting up protected network

  Darklight 01:03 12 Jan 11

In the near future I will be opening up a repair workshop for pc's.
The problem I have is I don't have a lot of knowledge regarding networking. (The cat5/6 cabling and connecting is not the problem - I can
do that.) What I will be wanting to do is to have a network point for 1 PC for internet and customer database and connection to a nas box or similar. And another possibly 5 network points that I can plug in pc's that I am repairing. These 5 will require to have internet and access to the nas to allow backups of the pc's drives etc, and they have to be isolated from the main PC so as not to get any virus on it.
Any help on this setup would be greatly appreciated.

  mgmcc 08:30 14 Jan 11

You need to configure a firewall in the main PC so that it doesn't allow access from other computers in the network. The router will have a "pool" of IP addresses from which it allocates addresses by DHCP to connected devices. Give the main PC and the NAS drive fixed addresses outside the pool and only allow the main PC to access the address of the NAS drive.

Having said that, if you allow both the main PC and the 5 network points to have access to the NAS drive, you've re-created a path for viruses to infect the main PC.

  Darklight 12:05 14 Jan 11

Thanks mgmcc.
I could try that and maybe just keep the NAS to the 5pcs. or have 2 NAS, one for each.
What about VLANs? But i'm not sure how to go about setting one up.

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