[CentOS] CentOS4, KDE3.3 and 128 WEP
Ryan
ryanag at zoominternet.net
Mon May 23 22:39:11 UTC 2005
Does chkconfig have pcmcia in it? If so, what is it set to?
John Logsdon wrote:
> That seems a bit better so I can add the 128 bit WEP code. But for some
> reason I still can't activate it. I get:
>
> SIOCSIFFLAGS: Resource temporarily unavailable
>
> which does not point too far.
>
> I have checked that the atmel_cs module is installed (the card is a Belkin
> F5D6020 rev 2).
>
> I have tried an strace and it seems to be looking for a file libc.mo in
> /usr/share/locale/[en.UTF-8|en.utf8|en]/LC_MESSAGES but there is one in
> /usr/share/local/en_GB/LC_MESSAGES and pretty nearly every other locale
> which are all in glibc-common.
>
> I guess this is because I switched from en_US to en_GB when I installed -
> ie I unchecked US English. I don't seem to recall having this problem
> with other machines although this is the first one that I have tried
> to use wireless with...
>
> I tried changing LANG to be en and I get the same result although the
> strace now fails rather earlier.
>
> So it seems at least that I should reinstall en=en_US but I am not
> convinced that this will solve the problem. And where is it anyway? I
> can't see it in any of the CentOS4 rpms - I have been through all 1404 of
> them. It seems to be installed from somewhere when you set up CentOS4.
> Surely I don't have to reinstall?
>
> Clues?
>
> TIA
>
> John
> John Logsdon "Try to make things as simple
> Quantex Research Ltd, Manchester UK as possible but not simpler"
> j.logsdon at quantex-research.com a.einstein at relativity.org
> +44(0)161 445 4951/G:+44(0)7717758675 www.quantex-research.com
>
>
> On Mon, 23 May 2005, ryan wrote:
>
>
>>system-config-network from the commandline brings up a GUI that you can
>>enter in the WEP key for. You do not need to upgrade to KDE 3.4 for this.
>>
>>
>>>What do people recommend?
>>
>>My recommendation is to use a different included GUI tool than kwifi
>>(system-config-network). Instructions are here:
>>http://www.centos.org/docs/4/html/rhel-sag-en-4/s1-network-config-wireless.html
>>
>>You can also edit /etc/sysconfig/network-scripts/ifcfg-eth0 (or whatever
>>your LAN card is) directly, but if you have never done this before, I'd say
>>use the GUI.
>>
>>
>>----- Original Message -----
>>From: "John Logsdon" <j.logsdon at quantex-research.com>
>>To: "CentOS mailing list" <centos at centos.org>
>>Sent: Monday, May 23, 2005 4:25 AM
>>Subject: Re: [CentOS] CentOS4, KDE3.3 and 128 WEP
>>
>>
>>
>>>Folks
>>>
>>>My concern is not so much just how good or bad WEP is - and I agree that
>>>it is much better to use ssh or a vpn tunnel. Until 802.11i is fully
>>>implemented, standard wireless is always going to be very easy to hack by
>>>a sniffing geekster.
>>>
>>>The problem is that there are quite a lot other machines on the network
>>>that have been configured with WEP128. I don't use DHCP and I have MAC
>>>filtering enabled so that is some protection. Unconfiguring all those
>>>machines will be a pain and as some of them are WinDroze XPoor, almost
>>>certainly to fall over.
>>>
>>>OK - maybe the solution is to upgrade to KDE3.4. There are comments about
>>>128 WEP in the 3.4 kdenetwork package. And is KDE3.4 already stable
>>>enough to be included? What do people recommend? Has anyone upgraded to
>>>3.4?
>>>
>>>Another issue is where is the gpg public key repository for CentOS4?
>>>
>>>So my problem remains. At the moment I am using a regular wired
>>>connection but that means that the garden is out of bounds and it is nice
>>>and sunny today here in Manchester ... :-)
>>>
>>>Best wishes
>>>
>>>John
>>>
>>>John Logsdon "Try to make things as simple
>>>Quantex Research Ltd, Manchester UK as possible but not simpler"
>>>j.logsdon at quantex-research.com a.einstein at relativity.org
>>>+44(0)161 445 4951/G:+44(0)7717758675 www.quantex-research.com
>>>
>>>
>>>On Sun, 22 May 2005, Ryan wrote:
>>>
>>>
>>>>I disagree with this assessment.
>>>>
>>>>WPA-PSK is not much more secure than 128-bit WEP, since its passphrases
>>>>vulnerable to common dictionary attacks. Worse, linux has poor WPA
>>>>support - not every wifi card supported by linux has WPA support.
>>>>
>>>>Also, many non-computer devices (wireless webcams, etc) only have WEP as
>>>>an option.
>>>>
>>>>Use system-config-network , not kwifi, and you should be able to use WEP
>>>>with no problem. Also, consider turning OFF DHCP, turning the AP off
>>>>when you aren't using it, and enabling MAC filtering.
>>>>
>>>>If you are really concerned about security, consider using an SSH or VPN
>>>>tunnel to encrypt data between laptops and a wired router/server.
>>>>
>>>>For some information on WPA-PSK weaknesses:
>>>>http://wifinetnews.com/archives/002452.html
>>>>
>>>>
>>>>system-config-network requires you enter in "0x" bbefore the key.
>>>>
>>>>
>>>>Maciej Zenczykowski wrote:
>>>>
>>>>>You can skip wep128 or wep64 or any other wep for that matter,
>>>>>currently a standard notebook with a supported wireless card running
>>
>>linux
>>
>>>>>can passively break through wep64/wep128 encryption within 10-30
>>>>>minutes, switching to active mode can break through the encryption
>>>>>within 3-5 minutes. Simply put, encryption of the WEP kind is no
>>
>>longer
>>
>>>>>worth the bother.
>>>>>
>>>>>Just look around on google, he's a quote I found:
>>>>>
>>>>>Department: Here's a demo of the FBI, using commonly available and
>>
>>openly
>>
>>>>>documented hardware & software to crack WEP 128-bit security in three
>>>>>minutes.
>>>>>
>>>>>http://www.tomsnetworking.com/Sections-article111-page1.php
>>>>>
>>>>>The needed utilites can be freely downloaded of the internet.
>>>>>
>>>>>Cheers,
>>>>>MaZe.
>>>>>
>>>>>On Sun, 22 May 2005, John Logsdon wrote:
>>>>>
>>>>>
>>>>>>CentOS4 standard installation.
>>>>>>
>>>>>>I see that KwifiManager doesn't support 128 bit WEP which I need for
>>>>>>other
>>>>>>machines on the network, which is a bit of a blow - and rather
>>
>>surprising
>>
>>>>>>really as security should be quite a consideration on an enterprise
>>
>>level
>>
>>>>>>system (NB RH!).
>>>>>>
>>>>>>Is there a workaround? An alternative way of configuring my Belkin
>>>>>>F5D6020 ver 2 card? eg a cvs download that I can get and copy via a
>>>>>>stick? Or how to do it manually? I have tried regressing kdenetwork
>>
>>but
>>
>>>>>>that doesn't include kwifimanager at all.
>>>>>>
>>>>>>Ideas?
>>>>>>
>>>>>>TIA
>>>>>>
>>>>>>John
>>>>>>
>>>>>>John Logsdon "Try to make things as
>>
>>simple
>>
>>>>>>Quantex Research Ltd, Manchester UK as possible but not
>>
>>simpler"
>>
>>>>>>j.logsdon at quantex-research.com a.einstein at relativity.org
>>>>>>+44(0)161 445 4951/G:+44(0)7717758675 www.quantex-research.com
>>>>>>
>>>>>>
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>>>>>>
>>>>>
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>>>>>
>>>>
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