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    How to secure a wireless network against hacking attempts?

    Hi all,
    Could anyone on these forums provide me with a step-by-step guide on how to secure a wireless network based around a Netgear DG834PN router ( http://bc.whirlpool.net.au/bc/hardwa...w&model_id=391 ) against external hacking attempts, both via local wireless packet sniffing and any tips/guide on how to secure the network against people hacking my IP address via malware or any other means?

    I am currently running WPA2-PSK encryption on the network.

    Where are the vulnerabilities to spying/hacking/snooping attempts on the network? Malware is one, local wireless packet sniffing is another. What are the others?

    My guess is the spy is someone I know, but this isn't certain, although means to trace them would be helpful also.

    Much appreciation for all advice or references on where to look.

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    nephilim's Avatar
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    Re: How to secure a wireless network against hacking attempts?

    Its been a while but if I remember rightly there are some linux based tools I have used to crack wifi passwords, and subsequently gain access to the networks. This was running normal WEP though.

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    Oaktech's Avatar
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    if you are that concerned, then a good starting point would be to make the wpa pass phrase randomly generated, long and changed often, and then lock all access down to specific MAC addresses.

    Buy a good antivirus suite that also deals with malware/spyware - we use eset endpoint.

    Cain & Abel are the tools I use for packet sniffing / password cracking / resilience testing

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    Quote Originally Posted by Thelps View Post
    My guess is the spy is someone I know, but this isn't certain, although means to trace them would be helpful also.
    Just out of interest, how exactly do you know there is a spy?

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    How about enabling MAC address filtering and just putting in the MAC addresses of the devices which are allowed to connect? Is this a home router?

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    Having a hidden SSID and changing the name of both the SSID and the long random passwords frequently whether this is once a fortnight or once a week etc ( up to you how frequent )

    Jokingly I was going to say disconnect the mains power lead / cable from the wi-fi AP or router :P

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    Re: How to secure a wireless network against hacking attempts?

    Use WPA2 with a decent password, turn off WPS ( the easy pin code join ) and bes sensible with power settings.

    Hiding the ssid and Mac filtering are largely pointless as WiFi scan apps find them easily and Mac filtering is defeatable in seconds with a packet scanner.

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    Make sure the AP firmware is up to date and the admin password is secure.

    If there is a 'spy' they have probably found a tool for ripping the password out of a laptop... or you've let a guest onto the network, and they have unchecked the 'hide password' box and shared the results.
    Last edited by psydii; 22nd January 2013 at 01:35 PM.

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