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Wifi Encryption

  • 18-02-2014 10:48PM
    #1
    Lennyzip
    Registered Users, Registered Users 2 Posts: 352 ✭✭


    Have WPA-PSK setup on my eircom router . Have two laptops in the house . When I check the network properties on the laptops , one shows as connected with WPA , the other shows connected as WPA2 .
    How can it be possible that their properties are different even though the initial encryption on the router is WPA-PSK ??? I know WPA and WPA2 are very similar but why don't they have the same properties . The laptop with the WPA2 wouldn't initially connect to the router so I had to delete the network that was on it , reset the router and then put it the key that worked on no bother on the other laptop .
    Both are connecting fine but just a little puzzled why each laptop has a different encryption setting on it .
    Cheers for any responses !


Comments

  • #2
    White Heart Loon
    Closed Accounts Posts: 1,788 ✭✭✭White Heart Loon


    Are you sure it's not set to WPA and WPA2 so devices use either?


  • #3
    Lennyzip
    Registered Users, Registered Users 2 Posts: 352 ✭✭Lennyzip


    White Heart Loon wrote: »
    Are you sure it's not set to WPA and WPA2 so devices use either?

    Here's a snap shot of router configuration .
    I'm just confused why they connect differently , does it depend on the wifi card in each laptop ??


  • #4
    White Heart Loon
    Closed Accounts Posts: 1,788 ✭✭✭White Heart Loon


    Lennyzip wrote: »
    Here's a snap shot of router configuration .
    I'm just confused why they connect differently , does it depend on the wifi card in each laptop ??

    Most routers allow WPA and WPA2 to run in parallel, it's a fallback for older devices that don't support WPA2. It's usually less of an issue now though.


  • #5
    moc moc a moc
    Registered Users, Registered Users 2 Posts: 1,298 ✭✭✭moc moc a moc


    The important thing to look out for on your router or AP is 'CCMP' or 'AES'. This is the actual encryption protocol/algorithm that you want to use (versus TKIP/RC4). Whether you use WPA or WPA2 is largely irrelevant as long as it supports CCMP (older implementations of WPA didn't).


  • #6
    Lennyzip
    Registered Users, Registered Users 2 Posts: 352 ✭✭Lennyzip


    White Heart Loon wrote: »
    Most routers allow WPA and WPA2 to run in parallel, it's a fallback for older devices that don't support WPA2. It's usually less of an issue now though.

    So the wifi card in each laptop determined how it wanted to connect ?


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  • #7
    White Heart Loon
    Closed Accounts Posts: 1,788 ✭✭✭White Heart Loon


    Lennyzip wrote: »
    So the wifi card in each laptop determined how it wanted to connect ?

    In effect yes.


  • #8
    Lennyzip
    Registered Users, Registered Users 2 Posts: 352 ✭✭Lennyzip


    White Heart Loon wrote: »
    In effect yes.

    Cheers :-) , this had been wrecking my head all evening !


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