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Securing Network

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prison.ito
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PostPosted: Tue Oct 16, 2012 4:15 am    Post subject: Securing Network Reply with quote

Hi There,

How can I secure my network by prohibiting unauthorised devices connecting to my network.
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WHUK_Barb
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PostPosted: Wed Oct 17, 2012 6:52 am    Post subject: Reply with quote

There are a couple of ways by which you may restrict unauthorised users from accessing your network.

You may choose to implement 802.1x authentication on your network, and/or disable all your unused switch ports.

If you are reluctant towards disabling the ports you may choose to putting all "extra" switch ports in a VLAN that has its own DHCP server and doesn't route to anything else on your network. Then monitor that DHCP server for any leases and track down where people are randomly plugging in. Setup a captive portal on that VLAN explaining why they aren't able to browse the internet.

WPA can interface with 802.1X or RADIUS authentication servers to provide a more secure method of controlling access to the WLAN. Where WEP, or WPA in PSK mode, allows virtually anonymous access to anyone who has the correct key or password, 802.1X or RADIUS authentication requires users to have valid username and password credentials or a valid certificate to log into the wireless network.
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