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iPhone: DoS Device

post #1 of 16
Thread Starter 
http://www.theinquirer.net/default.aspx?article=41032

http://www.networkworld.com/news/200...ke-iphone.html

Quote:
A FEATURE on Apple's much hyped iPhoney has been killing off the wi-fi network at Duke University, apparently.
According to Network World, the built-in 802.11b/g adapters on several iPhones periodically flood sections of the school’s pervasive wireless LAN with MAC address requests. This temporarily knocks out up to 30 wireless access points at a time.

Fortunately not many people were on the campus and there are only 150 Iphones around. But network administrators are a bit worried that more of the wi-fi killer devices will arrive on campus when the students return in August. For some bizarre reason the Iphones are all asking for an invalid router address to request the MAC address of the destination node.

When it doesn’t get an answer, the thing refuses to take no for an answer and just keeps asking at a rate of 18,000 address requests per second. What a nag!

Cisco, the main WLAN provider is chatting to Apple about the problem but no-one has a clue what's up, it seems. While everyone knows it is Apple who is at fault, the maker of entertainment gear does not seem to be exactly pulling finger out to fix the problem.

Duke said that Apple has told him the problem is being 'escalated' but nothing had been heard from the Cappuccino based outfit at press time.

Apple might take it a little bit more seriously if its Iphones start bringing down corporate and metropolitan wi-fi systems. If indeed, the pesky little device is to blame in the first case.

More here. µ
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post #2 of 16
Oops!

Duke can't seem to catch a break, either.
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post #3 of 16
niiice.
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post #4 of 16
Thread Starter 
Apple is starting their attack on the world! They plan to take out Wi-Fi and release their own standard. Since everyone is going to get a iPhone anyway... we are dooooooomed!
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post #5 of 16
wow, its like a DoS attack without having to do anything. A lazy hackers dream!
It's about time!
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It's about time!
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post #6 of 16
Quote:
Originally Posted by kdbolt70 View Post
wow, its like a DoS attack without having to do anything. A lazy hackers dream!
then they could just buy an iphone, drive around looking for open wifi access points, and take em down! yet another reason to encrypt your wifi, because when theres someone around with a computer and they see two networks, one encrypted, and one not, which one will they try to get into? you just have to have one step better protection than your neighbor.
post #7 of 16
Thread Starter 
Quote:
Originally Posted by {core2duo}werd View Post
then they could just buy an iphone, drive around looking for open wifi access points, and take em down! yet another reason to encrypt your wifi, because when theres someone around with a computer and they see two networks, one encrypted, and one not, which one will they try to get into? you just have to have one step better protection than your neighbor.
Would encryption help in this case? The iPhone would still try to send requests. Disabling name broadcasting should work though.
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post #8 of 16
Quote:
Originally Posted by DuckieHo View Post
Would encryption help in this case? The iPhone would still try to send requests. Disabling name broadcasting should work though.
it would only do this if it was already connected to the network wouldn't it?
post #9 of 16
Thread Starter 
Quote:
Originally Posted by {core2duo}werd View Post
it would only do this if it was already connected to the network wouldn't it?
No... the issue is that the iPhone sends a request to connect. If it doesn't get an answer, it keeps bombarding the router for a connection request.
Quote:
When it doesn’t get an answer, the thing refuses to take no for an answer and just keeps asking at a rate of 18,000 address requests per second.
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post #10 of 16
Quote:
For some bizarre reason the Iphones are all asking for an invalid router address to request the MAC address of the destination node.
I thought that meant that it was already connected,

Quote:
Right now, Miller says, there are about 150 of the Apple devices registered on the campus WLAN.
and that too suggests that they were already connected.

what is a destination node? if they were talking about the wireless access point wouldn't they be saying gateway instead?
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