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luca's Avatar
Posts: 1,137 | Thanked: 402 times | Joined on Sep 2007 @ Catalunya
#71
sure, you can change the mac, but then you cannot connect to any ap
 
Posts: 60 | Thanked: 22 times | Joined on Feb 2008
#72
not in my experience.
 
Posts: 31 | Thanked: 13 times | Joined on Mar 2008 @ Germany
#73
yap you could connect to any ap with any mac-address except this ap also uses a fairly unsecure mac-based authentification.
 
Posts: 60 | Thanked: 22 times | Joined on Feb 2008
#74
Well if by "ap" you mean access point I have no problem with my router (if your MAC is changed before the first connection, otherwise I see problems that are easily resolved by simply rebooting my DSL modem and router. Was able to connect to some public network in the vicinity but haven't done any extensive testing with other access points so I have nothing to say here. Chances are NSA people want to know who is connecting where so that blocking could be really there. Sure the device knows what its original MAC is.

Also it appears modifying the MAC kills Skype (apparently Skype wants/needs/is-required to record the ID (MAC) of call originating device for security reasons and bails out is when it sees a dynamically assigned MAC) , Gizmo doesn't seem to care though. Did not test Nokia VOIP client.

Again changing your MAC is bound to produce problems those device identifiers are there for purpose.

Last edited by directore; 2008-03-29 at 19:42.
 
luca's Avatar
Posts: 1,137 | Thanked: 402 times | Joined on Sep 2007 @ Catalunya
#75
Yes, I mean access point, and, no, every time I tried to change my mac the connection manager just throws a "connection error", either with open or secured ap.
 
Posts: 31 | Thanked: 13 times | Joined on Mar 2008 @ Germany
#76
you got an n810? you change tried to change the mac in offline mode?
 
Posts: 60 | Thanked: 22 times | Joined on Feb 2008
#77
(information below has been modified (again), read if you followed the original suggestions)

n800 here, also try switching in the startup script /etc/init.d/wlancond (I was mistaken with my previous suggestion: etc/init.d/rcS). Just insert (as root) after:

Code:
test -x $DAEMON || exit 0
and before

Code:
set -e
this

Code:
ifconfig wlan0 down hw ether 00:xx:xx:xx:xx:xx 
ifconfig wlan0 up

Reboot. Done.

--------------------
I actually use much clumsier script (see below) which allows me to relatively easily switch between the old and new MAC (useful for Skype):


Code:
cat /home/user/newMAC.txt && ifconfig wlan0 down hw ether 00:19:my:new:mac 
cat /home/user/oldMAC.txt && ifconfig wlan0 down hw ether 00:19:my:original:mac 
ifconfig wlan0 up
I simply keep a file in my home directory (/home/user) and rename it from oldMAC.txt to newMAC.txt (in File Manager) or vice versa and reboot. (if neither file exists nothing is done, if both exist the second number takes precedence.) Works w/o a hitch for me.

DISCLAIMER: Verify independently please that changes described above are safe, I assume no responsibility if you manage to brick your device by corrupting any of the system files.

Last edited by directore; 2008-04-02 at 19:19.
 
luca's Avatar
Posts: 1,137 | Thanked: 402 times | Joined on Sep 2007 @ Catalunya
#78
ok, that's the key: restarting wlancond after changing the mac. Thank you.
 
Posts: 66 | Thanked: 145 times | Joined on Jan 2008
#79
you can avoid this fuss about actually changing your mac address - all
you need to do is change the mac address as seen by the application by
overiding the relevant library call, eg:
http://www.chiark.greenend.org.uk/~peterb/linux/fakeif/

of course i don't endorse any of this sort of behaviour but have used
something similar in the past. once you've faked your mac you might
as well go ahead and fake the date too so your licence won't expire and
then you can fake your gps position to save on fuel costs.

btw, does anyone know how wayfinder know which licence trial region
you get? is it based on whichever map is active at the time? or
your gps fix? maybe someone with some unlimited licence magic can let
us know.
 
Posts: 7 | Thanked: 3 times | Joined on Apr 2008
#80
Wayfinder is only $129 for THREE YEARS. Well worth it if it works. Besides that... you'll be able to sleep better at night.

Don't do crack!

Glen
 

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