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I need to modify the way the wireless access point handle its authentication method.
Is it possible to change the behaviour of wireless access point a little bit?
If so, by using what library? On what operating system?
This depends on various things, the first being whether your router can utilize custom firmware.
Some routers like the Linksys WRT54G (pre V4 or the GL version) use a Linux based firmware that allow you to do alot more with the routers hardware.
There are some custom distributions for these devices like DD-WRT, however OpenWRT might be the best place to start if you're comfortable with Linux.
I would start by looking if your router is listed as being supported on the above sites
Unfortuanetly there isn't one specific library that I know of that will help you here, you might have to reimplement part of the security logic in these small distros and recompile them to achieve what you want
Are you using the default firmware on your access point? If so, you may find that there are many more configuration options availible, including more authentication options on third-party (free) software such as Tomato and DD-WRT.
If you want a quick start, this may solve your problem:
Chillispot
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I need to adapt embedded linux distribution to an unsupported hardware. Actually im working on an embedded linux distribution.
Im lost from where to start. My question is, what factors should I consider before starting the configuration.
Im guessing drivers should be first on the list but Im not sure.
Can you help me to find a starting point and list the points and what should I pay attention for?
Kind regards
If you don't know the starting point, you won't be able to carry him all alone.
Probably you need to modify the first stage bootloader, adapt u-boot, the kernel drivers, the device tree, ...
You could use something like Yocto, but again, I don't see any chance that you will solve it all at your own.
Currently my company adapts Yocto to a new developed board, with a team of 15 people.
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"Technically, however, they represent different philosophies: the ARM architecture is designed to be as simple as possible, to keep energy wastage to a minimum, whereas Intel's range uses a more complex design that benefits from compatibility with the company's (much more power-hungry) desktop and laptop CPUs." Well then why can't I run Windows on a raspberry Pi? Also, what is start4.elf?
Microsoft seems to know there are issues with Windows on ARM because it won't even sell you a copy of it. The company licenses the ARM version only to OEMs to pre-install on new systems. When asked if it would open up sales so people could run Windows on the new Macs, Microsoft said it had no plans at this time.
Start4.elf is a file that raspberry pi uses to boot.
Hope this helps!
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I'm looking for a cloud solution that allows me to deploy a Linux virtual host remotely, and use it for security testing (ie port scanning, etc). When not in use, maybe have it act as a honeypot. I really like AMAZON's pay what you use approach. Has anyone here used AMAZON's services in a similar fashion?
Any suggestions??
I haven't but my comment on the Amazon services is that they can rack up costs very quickly and it is hard to control the costs as there are too many variables.
Unless you need high resilience, I would recommend simply using a VPS.
Also make sure that, whoever you use, you carefully check the terms and conditions as most providers will not be happy about you doing port scanning from their service.
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How do you prevent access to the 'calculator' interface on a particular OS (say Windows). We would want to avoid usage of calculators while taking an online quiz at the site. Is this even possible?
If you're talking about through a purely web interface, then no. In order to do this, you would have to be able to monitor running processes, which is something a web app can't do. It would be too big a security risk.
If you control the machines (they're on your network, in a classroom where you can load and restrict the software, etc), you could write a program to monitor and shut down the processes. For example, a .NET application could use the System.Diagnostocs.Process object to monitor for instances of calc.exe.
A standard executable could do it, but not a web app.
Edit Added
There may be other alternatives if you control the PCs in question. Most corporate IT shops use some sort of monitoring software that will detect the use of "Unauthorized" programs. (I got busted for launching Solitaire once.) That would be more of a question for ServerFault.com, however.
Do you think it would be a good idea if websites were able to stop executable running on remote computers? Think about this seriously for a second, the security/privacy implications this would have.
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As part of our product we use 3rd party hardware and drivers. Unfortunately, these drivers aren't signed so up pops the "Found new hardware wizard" when installing or upgrading our product. Our product is web based and allows the users access to everything they need remotely, apart from this one case.
Is there a registry hack or other OS setting that will stop the wizard appearing?
Can we sign the drivers ourselves?
Could we write a program that would click "Next, Next, Next" on the wizard that will work on all language variants of Windows?
There is 2 ways to get silent installation:
1) Sign the driver and that can be hard/impossible if you don't have the driver source code.
2) You can write a co-installer dll using this api's. The problem that this is not reliable and from our experience there is a lot of workarounds for different Windows flavors.
The only 100% reliable option will be option one.