I despise captive portal detection on devices.  On our onboarding platform, I 
do everything possible to PREVENT the automatic popup of browsers due to 
problems like these (and many others).  For you to really figure this out, you 
are likely going to need to do a packet capture of the session and see what 
that users phone is attempting to connect to.  I would be doing a packet 
capture to poke some holes through so that the captive portal browser never 
opens in the first place.


Ryan Turner
Manager of Network Operations
ITS Communication Technologies
The University of North Carolina at Chapel Hill

r...@unc.edu<mailto:r...@unc.edu>
+1 919 445 0113 Office
+1 919 274 7926 Mobile



From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Thomas Carter
Sent: Wednesday, October 12, 2016 9:36 AM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] Captive portal trouble with LG phones

I forgot to mention we're currently running 5.4. We've had this trouble 3-4 
times in the past few weeks, and every time it is a brand new LG phone.

Thomas Carter
Network & Operations Manager / IT
Austin College
900 North Grand Avenue
Sherman, TX 75090
Phone: 903-813-2564
www.austincollege.edu<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.austincollege.edu%2F&data=01%7C01%7Crhturner%40email.unc.edu%7C256b38ef9e8a464adb1808d3f2a4bc05%7C58b3d54f16c942d3af081fcabd095666%7C1&sdata=AUeYiEoF4HAqZoo1r6fJkKwPo1ElDsjXnsM%2B35qFsUk%3D&reserved=0>
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From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Sullivan, Don
Sent: Wednesday, October 12, 2016 7:17 AM
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: Re: [WIRELESS-LAN] Captive portal trouble with LG phones

We use Packetfence also and we have not heard of or seen this issue. We are 
running version 6.0.3.

Don Sullivan
Network Administrator
205-726-2111

From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Thomas Carter
Sent: Monday, October 10, 2016 2:40 PM
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: [WIRELESS-LAN] Captive portal trouble with LG phones

We use PacketFence as our NAC and have a captive portal to allow users to 
self-register their devices. In the past couple of weeks we've had problems 
with the latest LG phones (other Androids work fine) disconnecting in the 
middle of a captive portal session; it won't stay connected long enough to 
register the device. It seems similar to the old Apple "success.html" test for 
internet connectivity, but I haven't been able to determine if that is the 
case. Has anyone else seen this issue with new LG phones?

Thomas Carter
Network & Operations Manager / IT
Austin College
900 North Grand Avenue
Sherman, TX 75090
Phone: 903-813-2564
www.austincollege.edu<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttp-3A__www.austincollege.edu_%26d%3DDQMFAg%26c%3DGTxgfYI6i4KYikqC6GK_Jzn2mYGEh-v4HEPYCyQcJzU%26r%3DgESFfxkz83JEIAAPJ78hwRDbYXa0egqYOhaeRMDNKZQ%26m%3DVmAIWM1H1bafDXC1xfAJrpNfaTmkC2aJfv3MfpC6J9o%26s%3Dn_egKFSrHhhZTmUkaQJjN7qRIEmd-ie0z2zj9YuqWus%26e%3D&data=01%7C01%7Crhturner%40email.unc.edu%7C256b38ef9e8a464adb1808d3f2a4bc05%7C58b3d54f16c942d3af081fcabd095666%7C1&sdata=Vm7Ed9M5OO1xpWOZQt7Zvjpr%2F6DhvA3wkmrq9HG%2Bf%2Fk%3D&reserved=0>
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