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DSL Internet Access

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by gbalonek

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For Internet Access using DSL from the network, should the firewall be before the router or behind the the router? What are pros/cons of these two choices?

5 replies

by thechas

For most applications, you want the firewall either before, or built-into the router.

If you place the firewall after the router, you need a seperate firewall for each line (client).

Ideally, you will have a hardware firewall either before, orin the router.
And a software firewall in each client machine on the network.

Chas

by alpha-male

The advantage of having the Firewall before the router is that you can use it to protect your router as well. There are many attacks that can be directed towards your router and the firewall should be your "first line of defense".

The only thingI'd set up outside the firewall is a "honey-pot" set up for intrusion detection and monitoring. ;)

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