Web Auth logout windows shows IP address as URL vs DNS

Answered Question
May 29th, 2008
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We are using Web Auth with DNS name which works fine. We did notice however that upon successful login that the logout popup page displays the logut url with the IP address and not the DNS.


Is this a bug?


Runnig WCS 4.2.62.0 WLC 4.2.112.0

Correct Answer by Scott Fella about 9 years 1 month ago

That will stay as 1.1.1.1. You must be using IE6. IE7 and FireFox will not display that window.

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Scott Fella Thu, 05/29/2008 - 07:54
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On the VIP interface, did you set the DNS Host Name there?

paulcian_2 Thu, 05/29/2008 - 08:14
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Yes it is configured and it is working with DNS name. The issues is the popup page after you login that indicates that you can logout out using the following url. The url that displays is the IP address and not the DNS name.

paulcian_2 Thu, 05/29/2008 - 08:25
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See steps below. It might be clearer this way.


Guest user gets an IP address via DHCP with DNS information.

Guest user goes to website www.cisco.com

Guest User is redirected to Web auth page https://webauth.xyz.com/login.html?redirect=www.cisc.com/

Guest User logs in

Guest User receives POPUP page indicating successfull login and is reminded to either minimize this window or remember the URL to retrieve this window to logout.


It is here the the URL indicates the IP address http://1.1.1.1/logout.html and not the DNS name http://webauth.xyz.com/logout.html




Correct Answer
Scott Fella Thu, 05/29/2008 - 08:34
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That will stay as 1.1.1.1. You must be using IE6. IE7 and FireFox will not display that window.

RICH FRUEH Thu, 05/29/2008 - 08:49
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Actually, IE7 will occasionally display the box, and sometimes not, in our experience

Scott Fella Thu, 05/29/2008 - 08:54
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Might be the built-in popup blocker in IE. I have mine enabled.

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