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I am trying to set up networking for a small business (about 15–20 employees). Most of the computers are wired, but a wireless access point is needed too.

I was thinking of a scheme like this (click to enlarge):

It this the correct way of connecting?

Should router and firewall be separate hardware components?

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Have a look at routerboard.com they have good router and AP components. But no sutible switch, but if you only going to use basic stuff any switch will do. –  Intenso Aug 26 '13 at 11:23
    
@Intenso thanks, I will have a look –  mata Aug 26 '13 at 11:28
    
Shouldn't you put your web server outside the firewall if is meant to be publicly accessible? –  Torben Gundtofte-Bruun Sep 17 '13 at 7:48
    
No, you just have to forward ports (80 for http) on NAT (router) to web server –  mata Sep 17 '13 at 19:58
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1 Answer 1

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For what you have there as far as clients and servers, that will work fine. If it was me I would remove the router, and just use a bigger switch. You don't need a separate firewall, however I would highly recommend it. Your client OS, and server OS have built in firewalls, and also routers have them too.

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In my case router is needed because of NAT. Do you have any experience with Draytek's Vigor rotuers? –  mata Aug 26 '13 at 13:44
    
@mata I do not have any experience with that brand. NAT is a standard, so it should be configured about the same on any device. –  nate Aug 26 '13 at 14:00
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