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All replies
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Helpful answers
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Oct 14, 2011 10:08 AM in response to andreafrompesaroby andreafrompesaro,Ok, I think I've found the problem: IOS5 dropped support for md5 signed certificates. Finding this information was very difficut, I hope this post to be useful.
Thanks
Andrea
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Oct 14, 2011 11:19 AM in response to andreafrompesaroby feffe4,I'm probably having the same problem.
Had a working wi-fi on my ipad 2, the internet was working good.
Then i updated to IOS5 and it says that I cant coonnect to the wifi. But the wifi-icon i n the top left tells me iäm connected, and i can find the network in general-settings-network-menu and tap in the password without any problem.
My other diecves i s working ok on the same wifi, and i have restoresd the ipad to factory defualts, and it doesnt make any difference.
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Oct 14, 2011 11:21 AM in response to andreafrompesaroby feffe4,so, whats md5 and what should i do to get it working again?
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Oct 15, 2011 3:47 AM in response to feffe4by GXGOW,I'm having the same problem too on my iPod Touch. How do you fix it?
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Oct 15, 2011 8:58 AM in response to andreafrompesaroby WinterAsh,Same Here. We need a fix for this ASAP. Specially since like we work at a doctors office and no wifi is very very inconvenient!
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Oct 17, 2011 12:53 AM in response to alessandrofromheavenby andreafrompesaro,The problem I was speaking about happens only if your wifi network is using WPA2 Enterprise with EAP-TLS; in that case ask you network administrator to check that the certificates of the radius server are SH1 signed and not MD5 signed, since the latter signature method has been deprecated in IOS 5.
If you are not using WPA2 Enterprise and can't connect to the wifi network you have a different problem and I don't know how to help you.
Regards,
Andrea
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Oct 17, 2011 4:19 AM in response to andreafrompesaroby stanlyliusu,That's true. This is a bug. Hope Apple will release a hot fix for it ASAP!!!!!
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Oct 17, 2011 8:38 AM in response to andreafrompesaroby AgnetaBF,I am using TeliaSonera Homerun at work and in town. TeliaSonera is the major Incumbent telecom and internet operator in the Nordics, especially in Sweden and Finland. I expect the WiFi to work with their service regardless of how the certificates are signed. At home the wifi device (an ADSL access device from TeliaSonera) uses WPA2 and I'm not interested in how it's signed. I bought the IPAD just a couple of weeks ago and upgraded yesterday. I expect it to work also after I upgraded. I saw no warning that I shouldn't upgrade if I use WPA2.
So fix it Apple! Now!
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Oct 17, 2011 1:21 PM in response to andreafrompesaroby steved60010,Andrea,
I seem to be having the problem as well. My Certificate has SHA-1 with RSA Encryption as the signature algorithm. Is that the same as the SH1 you reference? If so, I'm still having the problem for a different reason.
Steve
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Oct 18, 2011 12:12 AM in response to steved60010by andreafrompesaro,Yes, when I changed the radius server certificate from MD5 signed to SHA-1 signed the network started to work. Perhaps you have a different problem ...
Andrea
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Oct 18, 2011 1:56 AM in response to andreafrompesaroby Sam Hodge,I am seeing the same thing at work on a dot x LEAP Cisco network I need a fix ASAP
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Oct 18, 2011 9:38 AM in response to Sam Hodgeby Guzzisto,Using a WPA2 Enterprise network with PEAP (MSCHAPv2), same problem, does not work anymore (whereas iOS 4 did it fine). Looks like Apple needs to fix this urgently, how can we transfer this information to Apple Development?
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Oct 18, 2011 12:49 PM in response to andreafrompesaroby kschmidty17,I am having the same issue. For me I have to reconfigure wpa enterprise on my school's peap mschap-v2 every time I want to use it. This is extremely frustrating since it used to reconnect just fine on iOS 4.

