buggs1a, Astaro is a higher end security product.

It should not really be implemented unless you have a clear understanding of how to use it as you could compromise the security of your network.
(Same goes for any firewall setup to be honest).

If you read the FAQs and manuals, or search these forums you should get answers to just about any setup question. (Or even try the online help).

If you are just protecting a small home LAN, maybe just use your routers firewall.

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