Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-25 Thread Anthony Pace
Sorry Dave... didn't see it. On 5/25/2010 12:29 AM, Dave Watts wrote: What if I have two computers? or what if I visualized the image and ran the app twice? or what if I snoop the protocol? or what if I etc... I could have a thousand sessions from one system and unless you track it in a db on

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Karl DeSaulniers
Is this a trick question? :) Karl Sent from losPhone On May 24, 2010, at 12:48 AM, Henrik Andersson he...@henke37.cjb.net wrote: Karl DeSaulniers wrote: ? so... let them cheat is what your saying? Why do you even think that this is cheating?

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread kindaian
On 24-05-2010 3:26, Karl DeSaulniers wrote: ? so... let them cheat is what your saying? On May 23, 2010, at 4:03 PM, Henrik Andersson wrote: Karl DeSaulniers wrote: You could count the different user agent strings. But browsers are known to lie about it once in a while. User agent

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Henrik Andersson
Karl DeSaulniers wrote: Is this a trick question? :) No, I truly fail to see how this could be used for cheating. ___ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Karl DeSaulniers
I see. Well I'm going to bow out of that conversation because it is OT and not the reason I posted the question. I was actually researching for someone else, but thanks for the input. Your point has been taken into consideration. Best, Karl On May 24, 2010, at 9:03 AM, Henrik Andersson

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Anthony Pace
You can prevent more that one login at the same time for the same account; yet, you always have to consider an MITM attack being possible unless you have a known pre-shared key system. In your DB, all you need to do is keep track of how many users on a given network are connected, or

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Anthony Pace
What if I have two computers? or what if I visualized the image and ran the app twice? or what if I snoop the protocol? or what if I etc... I could have a thousand sessions from one system and unless you track it in a db on the server the user is connecting to, you would never know it. On

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Anthony Pace
I would just spoof the headers. On 5/24/2010 5:17 AM, kindaian wrote: On 24-05-2010 3:26, Karl DeSaulniers wrote: ? so... let them cheat is what your saying? On May 23, 2010, at 4:03 PM, Henrik Andersson wrote: Karl DeSaulniers wrote: You could count the different user agent strings. But

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Anthony Pace
Damned spell checker... I meant to say or what if I virtualized the image and ran the app twice? On 5/24/2010 8:05 PM, Anthony Pace wrote: What if I have two computers? or what if I visualized the image and ran the app twice? or what if I snoop the protocol? or what if I etc... I could have

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-24 Thread Dave Watts
What if I have two computers? or what if I visualized the image and ran the app twice? or what if I snoop the protocol? or what if I etc...  I could have a thousand sessions from one system and unless you track it in a db on the server the user is connecting to, you would never know it. I

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Karl DeSaulniers
Hi Cor, Let me clarify a little more. How do I prevent multiple logins to my site from one computer regardless of the user? So that someone cant open safari and IE and log in to my site using both browsers on that one computer. Even if the usernames are different. TIA Karl On May 23,

RE: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Cor
...@chattyfig.figleaf.com] On Behalf Of Karl DeSaulniers Sent: zondag 23 mei 2010 8:29 To: Flash Coders List Subject: Re: [Flashcoders] Blocking multiple logins on one computer Hi Cor, Let me clarify a little more. How do I prevent multiple logins to my site from one computer regardless of the user? So

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Dave Watts
Let me clarify a little more. How do I prevent multiple logins to my site from one computer regardless of the user? So that someone cant open safari and IE and log in to my site using both browsers on that one computer. Even if the usernames are different. I don't think you can guarantee

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Karl DeSaulniers
Thanks Dave, That is the consensus I am getting. Is there any way to tell how many browsers from one computer are being used? Or if a person is using a virtual machine or is sharing an ip? Karl On May 23, 2010, at 11:33 AM, Dave Watts wrote: Let me clarify a little more. How do I prevent

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Henrik Andersson
Karl DeSaulniers wrote: Thanks Dave, That is the consensus I am getting. Is there any way to tell how many browsers from one computer are being used? Or if a person is using a virtual machine or is sharing an ip? You could count the different user agent strings. But browsers are known to lie

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Ktu
You could also try using the LocalConnection class. If you apps connect at some point, turn the second one off somehow. Ktu On Sun, May 23, 2010 at 4:43 PM, Karl DeSaulniers k...@designdrumm.comwrote: Thanks Dave, That is the consensus I am getting. Is there any way to tell how many

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Juan Pablo Califano
This is a gross hack (no offense intended), but I think it can actually work... (except for virtual machines) Cheers Juan Pablo Califano 2010/5/23 Ktu ktu_fl...@cataclysmicrewind.com You could also try using the LocalConnection class. If you apps connect at some point, turn the second one

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Karl DeSaulniers
I agree on both points. Thanks guys. What about setting up the lesson api to be an air app? Would I be able to control this with an air app? Karl On May 23, 2010, at 4:11 PM, Juan Pablo Califano wrote: This is a gross hack (no offense intended), but I think it can actually work... (except

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Karl DeSaulniers
? so... let them cheat is what your saying? Karl On May 23, 2010, at 4:03 PM, Henrik Andersson wrote: Karl DeSaulniers wrote: Thanks Dave, That is the consensus I am getting. Is there any way to tell how many browsers from one computer are being used? Or if a person is using a virtual

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Dave Watts
I agree on both points. Thanks guys. What about setting up the lesson api to be an air app? Would I be able to control this with an air app? Yeah, that should work, as the user will only be able to run one copy of the app at a time unless you specifically design around that.

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Dave Watts
? so... let them cheat is what your saying? There are no client security guarantees for web applications. You can spend a lot of time fighting this, but if someone has enough incentive to circumvent your limitations, they'll do it. Dave Watts, CTO, Fig Leaf Software http://www.figleaf.com/

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Karl DeSaulniers
I see. Hermmm.. ok. Thanks everyone. Karl On May 23, 2010, at 9:37 PM, Dave Watts wrote: ? so... let them cheat is what your saying? There are no client security guarantees for web applications. You can spend a lot of time fighting this, but if someone has enough incentive to circumvent

Re: [Flashcoders] Blocking multiple logins on one computer

2010-05-23 Thread Henrik Andersson
Karl DeSaulniers wrote: ? so... let them cheat is what your saying? Why do you even think that this is cheating? ___ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders

RE: [Flashcoders] Blocking multiple logins on one computer

2010-05-22 Thread Cor
On Windows: Delete all local accounts, but one and keep that password to yourself. Also be sure to disable the Guest account. HTH Cor -Original Message- From: flashcoders-boun...@chattyfig.figleaf.com [mailto:flashcoders-boun...@chattyfig.figleaf.com] On Behalf Of Karl DeSaulniers Sent: