topic Re: User fails authentication too many times in a row when joining WLAN in ZoneDirector

User fails authentication too many times in a row when joining WLAN

wouter_beens — Thu, 19 Mar 2015 10:50:27 GMT

Hello,

In the ZoneDirector I get multiple messages of clients who fails to authenticate too many times in a row when joining a WLAN. We configured multiple Open WLAN networks and it happens by all of them. In the Syslog Guide the action is to check the user credentials, but it's an open network with no encryption.

We use firmware version 9.10.0.0 build 218, but these messages where already their in firmware 9.8.1.0.101

Access-points type mostly T300 and ZF7762.

Has anybody experienced this before?

Re: User fails authentication too many times in a row when joining WLAN

primoz_marinsek — Thu, 19 Mar 2015 18:32:47 GMT

Think support would be better suited for this than this forum, but here's a few thoughts.

Have you checked if the cable is OK, that there isn't some big interference there, captured some packets to see if authentication and association go through or if a failure happens there already?

Re: User fails authentication too many times in a row when joining WLAN

michael_brado — Thu, 19 Mar 2015 20:41:15 GMT

Curious too, if you check the OUI of the client MACs who are failing to authenticate, is it any one manufacturer, or many?

Re: User fails authentication too many times in a row when joining WLAN

wouter_beens — Fri, 20 Mar 2015 10:24:04 GMT

@PrimoZ: Checked the cables are OK. It is possible for me to sniff with a macbook and pcap the authentication process. I shall contact support for this too

@Michael: Clients who are failing are from multiple manufacturers, it isn't only one manufacturer.

Re: User fails authentication too many times in a row when joining WLAN

brian_hoyt_6612 — Fri, 20 Mar 2015 19:28:42 GMT

I was having this problem on R700 with 9.8 branch on 5 GHz radios. I eventually disabled 5 GHz on those until I can do more testing due to negative impact on users.

Re: User fails authentication too many times in a row when joining WLAN

primoz_marinsek — Mon, 23 Mar 2015 08:43:36 GMT

Do you know where it fails? There was an error reported (not on this forum) about clients not connecting, but the problem was that it failed at the DHCP stage not at the radio stage. So the auth/asoc phase went through, but when trying to get the IP it suddenly decided the connection was poor. It was an android Lollipop 5.1. Other clients worked fine.

Can you check if there is any DHCP discovery for that client before it fails?

Re: User fails authentication too many times in a row when joining WLAN

michael_brado — Mon, 23 Mar 2015 21:04:39 GMT

And more 802.11ac AP features are enabled in 9.9.1 (soon), or 9.10 (now) if you can upgrade for further evaluation too. I'm sure tech support would like to know your findings.

Re: User fails authentication too many times in a row when joining WLAN

nuno_pimentel — Fri, 24 Jun 2016 17:08:31 GMT

i'm having a similar problem also in an total open wlan. Wouter Beens did you get any conclusion?

Re: User fails authentication too many times in a row when joining WLAN

scott_edwards_8 — Sun, 03 Jul 2016 00:13:28 GMT

Seems to be T300, I have a H500 close by and it connects no issue: Latest build .219, ZD1200

2016/07/02 20:07:41 High User[AA:MM:AA:CC:AD] fails authentication too many times in a row when joining WLAN[SHOTGUN] at AP[T300SHOTGUN]. User[AA:MM:AA:CC:AD] is temporarily blocked from the system for [10 minutes].2016/07/02 20:06:33 Medium User[AA:MM:AA:CC:AD] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 19:55:16 High User[AA:MM:AA:CC:AD] fails authentication too many times in a row when joining WLAN[SHOTGUN] at AP[T300SHOTGUN]. User[AA:MM:AA:CC:AD] is temporarily blocked from the system for [10 minutes].
2016/07/02 19:54:12 Medium User[AA:MM:AA:CC:AD] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 19:43:10 High User[AA:MM:AA:CC:AD] fails authentication too many times in a row when joining WLAN[SHOTGUN] at AP[T300SHOTGUN]. User[AA:MM:AA:CC:AD] is temporarily blocked from the system for [10 minutes].
2016/07/02 19:42:05 Medium User[AA:MM:AA:CC:AD] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 19:31:09 High User[AA:MM:AA:CC:AD] fails authentication too many times in a row when joining WLAN[SHOTGUN] at AP[T300SHOTGUN]. User[AA:MM:AA:CC:AD] is temporarily blocked from the system for [10 minutes].
2016/07/02 19:30:03 Medium User[AA:MM:AA:CC:AD] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 19:17:08 Medium User[08:66:98:62:9d:b0] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 18:54:29 Medium User[90:b6:86:3c:8c:08] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 15:30:13 Medium User[90:b6:86:3c:8c:08] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 15:05:55 High User[AA:MM:AA:CC:AD] fails authentication too many times in a row when joining WLAN[SHOTGUN] at AP[T300SHOTGUN]. User[AA:MM:AA:CC:AD] is temporarily blocked from the system for [10 minutes].
2016/07/02 15:04:09 Medium User[AA:MM:AA:CC:AD] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].
2016/07/02 14:53:18 High User[AA:MM:AA:CC:AD] fails authentication too many times in a row when joining WLAN[SHOTGUN] at AP[T300SHOTGUN]. User[AA:MM:AA:CC:AD] is temporarily blocked from the system for [10 minutes].
2016/07/02 14:51:52 Medium User[AA:MM:AA:CC:AD] repeatedly fails authentication when joining WLAN[SHOTGUN] at AP[T300SHOTGUN].

Re: User fails authentication too many times in a row when joining WLAN

nuno_pimentel — Mon, 04 Jul 2016 08:52:50 GMT

i'm having the same problems but with 7782N

Re: User fails authentication too many times in a row when joining WLAN

michael_brado — Wed, 06 Jul 2016 00:05:17 GMT

Scott, what kind of authentication is on the SHOTGUN WLAN?

And what kind of Clients are these?

The AA:MM:AA:CC:AD client appears to be missing a byte in their MAC address and MM
is outside the 0-F range for Hex characters???

08-66-98 = Apple

90-b6-86 = Murata Mfg Co Ltd

Re: User fails authentication too many times in a row when joining WLAN

scott_edwards_8 — Wed, 13 Jul 2016 14:30:05 GMT

A:MAC:ADDRESS, the item is a nest camera: which uses 18:b4:30 Amazon Kindle. But it doesn't matter what the device is, all devices do the same.

WPA2 set to Open. The devices connect freely to the Network without issue on the H500. I am downgrading to 101 today.

Re: User fails authentication too many times in a row when joining WLAN

scott_edwards_8 — Wed, 13 Jul 2016 14:51:35 GMT

Okay, so that worked, downgrading to 101 Changes the device from not authorized to authorized on the T300. I didn't change any configuration settings.

a4:b8:05:OSSobes-iPhone Outside SHOTGUN136802.11a/n/ac 72%
Authorized
Connectivity18:b4:30:Amazon Kindle Outside SHOTGUN CH108 802.11a/n 99% Authorized OPEN

Re: User fails authentication too many times in a row when joining WLAN

michael_brado — Wed, 13 Jul 2016 15:57:50 GMT

Hi Scott,
Glad to get your update, thanks. Did you have 9.12.2.0.219 (MR2 Refresh), and downgraded one
release to 9.12.2.0.101 (MR2) as the only difference? And restored your previous .101 backup, right?
No issue on an indoor H500 on either version, and only on the T300 with latest showed these errors?

DSE, you saw similar on outdoor 7782, and on what version of ZD?

Re: User fails authentication too many times in a row when joining WLAN

scott_edwards_8 — Wed, 13 Jul 2016 23:19:46 GMT

Yes to all of my post, thanks, Michael.

Re: User fails authentication too many times in a row when joining WLAN

nuno_pimentel — Thu, 14 Jul 2016 16:09:52 GMT

Hello Michael, i have 7782N and S and my version is 9.12.2.0 build 219

Re: User fails authentication too many times in a row when joining WLAN

scott_edwards_8 — Wed, 17 Aug 2016 17:26:04 GMT

Upgraded to 9.13.0.0 build 232, no issues.

Re: User fails authentication too many times in a row when joining WLAN

michael_brado — Tue, 23 Aug 2016 23:02:58 GMT

Thanks!

Re: User fails authentication too many times in a row when joining WLAN

thomas_fankhaus — Wed, 17 Jan 2018 18:26:07 GMT

I experience this on ZD-1100 9.10.2.0 build 53 on zf7982 and on a zf7363 in Mesh.
the network (ssid) is open without any authentication.
i dont understand why we get an "fails authentication" if we dont have any authentication at all.

Re: User fails authentication too many times in a row when joining WLAN

wallace_houston — Fri, 09 Nov 2018 15:10:10 GMT

I know this is an old post, but I couldn't find anything related to my question. I want to block users who have tried to authenticate too many times and were then blocked. Does anyone know how to do that? We are a seasonal business and during the busy season we have dozens of cell phones trying to authenticate. I just want to block them permanently. Thanx!