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I have a network like this :

Client 1 <== Wireless ==> Access Point <== Wire ==> DC <== Wireless ==> ADSL Modem

Client 1 :

IP : 192.168.1.181
DG : 192.168.1.100
DNS : 192.168.1.100

Access Point :

IP : 192.168.1.10
DG : 192.168.1.100

DC :

IP : 192.168.1.100
DG : 192.168.1.1
DNS : 127.0.0.1

ADSL Modem :

IP : 192.168.1.1

I can ping yahoo.com from client1, but cannot browse the internet. UPDATE1 : my DC has two network interfaces that I bridge together.

UPDATE2 : I powered down the DC firewall

UPDATE3 : I set a forwarder for my DC to 8.8.8.8 (Google dns)

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By DC, i assume you mean Domain Controller? If so, you are doing it wrong. The DC should handle your DNS, but not be a gateway. Put a proper router into your network topology.

Internet > ADSL modem > Router/firewall/gateway device > Switch > Servers/clients/access points/etc

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  • Which gateway and DC I should install kerio on it ?!! – Ali Foroughi Jan 2 '13 at 15:34
  • What Kerio product? – DanBig Jan 2 '13 at 16:51
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Since all your machines are numbered in the same subnet, you are bridging. But you cannot bridge to a WiFi client connection (that's why WDS has to be enabled on both sides). If the DC is connected to the ADSL modem by wireless as a client, it cannot bridge to additional machines on the same network.

WiFi is not wireless Ethernet. It's its own protocol with its own rules. You can't treat a client link to an access point like a wired connection. Unfortunately, WiFi is enough like Ethernet that it's easy to think it's a drop in replacement for a wired link. It is not.

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Your DNS is wrongly configured on the DC it should be 127.0.0.1 pointing to itself as the DNS server

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  • I update my question , It is a syntax mistake .sorry about that – Ali Foroughi Jan 2 '13 at 15:38
  • Do you know on witch gateway and DC I should install kerio on it ?! – Ali Foroughi Jan 2 '13 at 15:38

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