On 04/22/13 21:49, Michael Powell wrote:
Alejandro Imass wrote:
On Mon, Apr 22, 2013 at 3:45 PM, Michael Powell <nightre...@hotmail.com>
wrote:
Alejandro Imass wrote:
[...]
Really these WEP/WPA2 protocols are not providing the level of
protection that is truly necessary in this modern day. You can keep out
script kiddies and people who don't have skill, but people who know
what they are doing are only slowed down.
Thanks for the detailed explanation! So, are there ways to run a
secure WiFi network? It would seem that in my case I have neighbours
that know what they're doing so should I just forget about WiFi go
back to UTP?
We use 802.1x auth on our switch (and other hardwares) ports at work and
this utilizes a Radius server. At work we are mostly a $MS WinderZ shop,
but with Enterprise grade access points (we have Aruba's), EAP, and
Radius we
[...]
This email is already getting a trifle long, so suffice to say if you
really need the best security on a home ISP router the best you can do is
turn off the radio and use Ethernet and UTP. This returns to the original
focus of your question in that the firewall would be the point of
contention and not the cracking of WEP/WPA2 auth keys. What I was wanting
to point out to you originally is that changing the firewall is a
separate issue from the cracking of Wifi auth keys.
I absolutely got that but I was assuming that a pre-packaged WiFi
router with pfSense or m0n0wall would have a more secure wireless
hardware and software as well. Now I see the problem is more complex
and that the wireless part is vulnerable regardless. So if by cracking
the wireless part they can spoof the mac addresses of authorized
equipment, what other methods could a BSD-based firewall use to
prevent the cracker from penetrating or using the network beyond the
WiFi layer? From your response it seems very little or nothing
really...
Yes - unfortunately this is about the state of things. Not a whole lot
you're going to do to improve the consumer grade home router. There are some
hardware specific firmware projects that I've never played with such as:
http://www.dd-wrt.com/site/index
The pre-packaged home equipment is relatively cheap when compared against
the top of the line enterprise-grade commercial products. Most are some form
of embedded Linux. For example, the MI424WR-Rev3 I have here is busybox (
http://www.busybox.net/ ). If you turn on remote management and telnet into
it you get a busybox prompt! With a busybox shell and all busybox commands.
The firewall many of these embedded Linux things are using is iptables2, the
standard linux firewall package.
What I was pondering is some form of L2TP tunnel, or some other form of
IPSEC tunnel to form some kind of VPN like communication between the client
and the wifi. Just never have begun to find the time to get anywhere with
the idea. But basically it would resemble a VPN that only accepts connection
from a tunnel endpoint client and not pass any traffic from any other client
lacking this VPN-like endpoint. I think such a thing is very possible and
have read some articles by people who have done very similar sounding
things. Indeed, this is what SSL-VPN providers do via a subscription service
so people surfing at open wifi coffee shops tunnel through the local open
wifi and setup an encrypted VPN tunnel.
A quick note: pfSense (I don't know about m0n0wall) has OpenVPN built in
to it. Depending on whether all devices which are going to connect
wirelessly can run the client end of OpenVPN, this might be a quick way
to get greater security on the WiFi side.
Just not enough time in the day. I know it's do-able, just never have found
the time to properly approach it.
--
In the dungeons of Mordor, Sauron bred Orcs with LOLcats to create a
new race of servants. Called Uruk-Oh-Hai in the Black Speech, they
were cruel and delighted in torturing spelling and grammar.
_Lord of the Rings 2.0, the Web Edition_
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