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Thread: HOWTO: Wireless Security - WPA1, WPA2, LEAP, etc.

  1. #21
    Join Date
    Aug 2006
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    UK
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    441
    Distro
    Ubuntu

    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    Can you please explain (and sorry for being a dumbass) what the typical equivalents of these are:

    address 192.168.168.40
    netmask 255.255.255.0
    network 192.168.168.0
    broadcast 192.168.168.255
    gateway 192.168.168.230
    dns-nameservers 192.168.168.230

    I'm just a bit confused between address and network, broadcast and dns-nameservers.

    Netmask and gateway are easy.

    Another thing....if I set all this up by DHCP (i.e. replace STATIC with DHCP in the interfaces file) - do I even need to bother setting any of the IP addresses for the router?

    Thanks.
    "My mind is aglow with whirling, transient nodes of thought careening through a cosmic vapor of invention." - Hedley Lamarr
    Lenovo T500 2243-4EG

  2. #22
    Join Date
    May 2006
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    Kubuntu 14.04 Trusty Tahr

    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    DHCP is - of course - possible. See post #4 (WPA1). In that case you would not have to worry about address, netmask, etc. Still want to know what address and network, broadcast and dns-nameservers stand for?

  3. #23
    Join Date
    Aug 2006
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    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    Thanks...and yes...what are the equivalents of these. Ubuntu seems to call things by different names...e.g. why would AES be CCMP?? I'd never guess this.

    Not had much luck with WPA so far, tried for 6 hours last night...will keep at it though. Have posted in lost of places, some of them were yours.

    Also, is there any reason why I can't use a 63 character PSK?

    And...why don't I have a wpa_supplicant.conf file in /etc? Should I have one of these?

    Finally (for now) - could you replace the line 'wext' for 'ndiswrapper'?

    Thanks.
    Last edited by tedrogers; November 8th, 2006 at 01:02 PM. Reason: More questions!
    "My mind is aglow with whirling, transient nodes of thought careening through a cosmic vapor of invention." - Hedley Lamarr
    Lenovo T500 2243-4EG

  4. #24
    Join Date
    May 2006
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    Kubuntu 14.04 Trusty Tahr

    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    I have replied to you in the other thread.

    1. You have probably skipped the part where I mention the PSK key generation (passphrase).
    2. "wext" is the right driver for "ndiswrapper". The latter is obsolete.
    3. The relationship between CCMP & AES is explained in the Wiki (link also given). They explain it in a much more accurate manner than I could possibly do.
    4. "/etc/wpa_supplicant.conf" was part of the previous versions of "ndiswrapper". The latest once don't seem to have it by default.
    5. I send you a link on networking later on.

  5. #25
    Join Date
    May 2005
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    6

    Talking Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    Wow! I just did it! I was desperate before I encountered this thread! You did really good job guys! Thanks for that!

    I used "Sample configuration WPA1 & DHCP, ESSID broadcast enabled" and it worked perfectly for my hardware.

    Linksys WMP54G rev2 (Broadcom 4306) PCI network card and router Linksys WRT54G.

  6. #26
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    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    Quote Originally Posted by apis View Post
    Wow! I just did it! I was desperate before I encountered this thread! You did really good job guys! Thanks for that!

    I used "Sample configuration WPA1 & DHCP, ESSID broadcast enabled" and it worked perfectly for my hardware.

    Linksys WMP54G rev2 (Broadcom 4306) PCI network card and router Linksys WRT54G.
    Using "ndiswrapper"? And what "wpa-driver" are you using (I assume "wext")? Just for the record...

  7. #27
    Join Date
    Apr 2006
    Location
    Hannover, Germany
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    Ubuntu 7.10 Gutsy Gibbon

    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    hi there,

    i've tried your instructions for wpa1,etc. only problem for me is that my essid is hidden and not being broadcasted.
    iwlist scan notices the signal being present as well as the channel.

    i tried your sample for wpa1, dhcp and tried both, wpa-ap-scan 1 as well as 2. it wouldn't work.

    sometimes it just didn't work without any error message.
    sometimes it gave me error 9 or error 10, i think, saying that ifup and ifdown couldn't read or open /etc/network/interfaces

    any idea? i'm sorry i couldn't provide the usual output you asked for, but i've i-net only at work right now. any help is appreciated.

    cheers
    air goes in and out, blood goes round and round!!!!!!

    - any variation of this is BAD

  8. #28
    Join Date
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    Kubuntu 14.04 Trusty Tahr

    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    That's a tough question... "wpa-ap-scan 2" is certainly the right setting if the broadcast of ESSID is disabled. It would certainly help if you posted your "interfaces" config-file and told us a bit more about your card/chipset. I am sure we can resolve this.

    As for the read-permission... Please check if "interfaces" has the right permission settings:
    ls -l /etc/network/
    If not that's how you change the permissions:
    sudo chmod ug=+rw /etc/network/interfaces

  9. #29
    Join Date
    Apr 2006
    Location
    Hannover, Germany
    Beans
    50
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    it's a intel centrino ipw2100 wireless chipset.
    read and write permission are granted.
    i also tried running it as root.
    didn't change anything. try to post config files tonight

    cheers
    air goes in and out, blood goes round and round!!!!!!

    - any variation of this is BAD

  10. #30
    Join Date
    May 2006
    Location
    100acrewood
    Beans
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    Kubuntu 14.04 Trusty Tahr

    Re: WPA2 / RSN, NDiswrapper, Static IP, Hidden ESSID, WUSB54G V4

    Quote Originally Posted by Dr. Cox View Post
    it's a intel centrino ipw2100 wireless chipset.
    read and write permission are granted.
    i also tried running it as root.
    didn't change anything. try to post config files tonight

    cheers
    That'd be best... Post the error message you encounter at the same time.

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