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Thread: A newbie here struggling with bt4 beta, need help with wireless please.

  1. #1
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    Default A newbie here struggling with bt4 beta, need help with wireless please.

    Hi, I'm new around here, if anyone was wondering. My username comes from one of me favorite books. anyways, I'm a student with only 2 UNIX classes behind me. Basic UNIX, and Basic SysAdmin. I'm interested in Linux security administration. I have BT4 installed on a USB stick, and I'm able to get BT4 up with KDE. I'm using BT4 beta because BT3 Final did not seem to support my hardware.
    My main problem is getting on the internet with BT4. i have an HP Pavillion Laptop dv6643cl with a broadcom wireless mini-pci (Broadcom Corporation BCM94311MCG wlan mini-PCI [14e4:4311] (rev 02)) . I was able to get my persistent changes to saved on my USB stick, but I don't know how to get on the internet at home with my wireless router which uses WEP. I saw able to do a scan right away and I was My wireless routers essid, and I have my key, but I don't know how to connect to my router. any help would be greatly appreciated. Thanks,

    waran

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  3. #3
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    Thanks for the info. tried the WEP section of that page, and everything was going just fine until I tried to start dhcp

    This is the error I got:
    root@bt:~# iwconfig wlan0 key s:XXXXXXXXXX
    Error for wireless request "Set Encode" (8B2A) :
    SET failed on device wlan0 ; Invalid argument.
    root@bt:~# iwconfig wlan0 key XXXXXXXXXX
    root@bt:~# dhclient wlan0
    Internet Systems Consortium DHCP Client V3.1.1
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit

    wmaster0: unknown hardware address type 801
    wmaster0: unknown hardware address type 801
    Listening on LPF/wlan0/00:1a:73:d7:e0:d8
    Sending on LPF/wlan0/00:1a:73:d7:e0:d8
    Sending on Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 16
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
    No DHCPOFFERS received.
    No working leases in persistent database - sleeping.

    Here's what iwconfig looks like:
    root@bt:~# iwconfig
    lo no wireless extensions.

    eth0 no wireless extensions.

    wmaster0 no wireless extensions.

    wlan0 IEEE 802.11bg ESSID:"XXXXX"
    Mode:Managed Frequency:2.462 GHz Access Point: 00:23:51:C1:A7:29
    Bit Rate=1 Mb/s Tx-Power=27 dBm
    Retry min limit:7 RTS thrff Fragment thr=2352 B
    Encryption key:XXX-XXXX-XX Security modepen
    Power Managementff
    Link Quality=71/100 Signal level:-58 dBm Noise level=-65 dBm
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0

    My correct essid is in iwconfig, my key, appears with the dashes,
    but I don't have internet. I can't ping anywhere.

    Waran

  4. #4
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    You didn't get a DHCP offer from your router. Check if DHCP on your router is enabled. If it is and it still doesn't work you should try to set up a static IP.
    Here's a how to:
    http://backtrack.offensive-security....r_Network_Card

    I think i saw this problem somewhere before. I haven't had a need to connect to wep since bt4b came out. Will set up my home router to WEP when I get from work and test dhclient on it.
    SecurityTube has two new sections. Questions & News

  5. #5
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    When I was first connecting, I was put in a position where I had to connect, but did not have internet access readily available to help. Here are a few commands that were helpful in connecting me at that point in time:

    man ifconfig
    man route
    man resolv.conf
    man wpa_supplicant.conf
    man wpa_supplicant

    At first, I simply used a static IP instead of bothering with DHCP.

    Hopes that helps.....

    Good luck....

    EDIT: I didn't read Baranian's link at first. Yeah, it pretty much spoonfeeds it, so there you go, buddy!

  6. #6
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    Thank you for all the help. I followed all the instructions and discovered that dhcp is working, but, the step in there that I was missing was to input the mac for my ap with ifconfig. I'm up on the internet now with bt4 and wireless internet on my laptop, thanks again. I love conky too, I'm trying to figure out a way to get conky to startup automatically as soon as I log into KDE. I'm well prepared now for my class.

    waran

  7. #7
    deickos
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    i have the same problem in an unsecured network -what should i do

  8. #8
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    Quote Originally Posted by deickos View Post
    i have the same problem in an unsecured network -what should i do
    Wait, that is not matching to the contents of this thread. Do you have a secured or unsecured network?
    Tiocfaidh ár lá

  9. #9
    deickos
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    Quote Originally Posted by KMDave View Post
    Wait, that is not matching to the contents of this thread.Do you have a secured or unsecured network?
    mine is unsecured my neighbors uses wep ok?

  10. #10
    Moderator KMDave's Avatar
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    Quote Originally Posted by deickos View Post
    mine is unsecured my neighbors uses wep ok?
    Absolutely not ok.
    Tiocfaidh ár lá

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