Blackboard auth with CAS: Redirect Loop

[Michael Gaab]

Scott,

Ok Thanks.

 

Can you explain the following http access log entries? These lines occur
on every successful cas auth. I'm not sure why there appears to be
multiple/duplicate server hits.

 

10.251.16.1 - - [23/Dec/2008:10:34:44 -0700] "GET
/webapps/login?new_loc=http%3A%2F%2Fcoursetest.umt.edu%2Fwebapps%2Fporta
l%2Fframeset.jsp&ticket=ST-8904-rHSAmvZTUOYDdwpfvUcVipq9y1CKza4o390-20
HTTP/1.1" 302 5 "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20 (.NET CLR 3.5.30729)"
"JSESSIONID=55F3A8D35569FA6514DFA50015B7FD1F.root;
JSESSIONID=DA0688C277A3896CA7A57C1AD6351955.root;
session_id=E667CC3DC63E75D51240A1D9C48E408F"

10.251.16.1 - - [23/Dec/2008:10:34:44 -0700] "GET
/webapps/login/?new_loc=http%3A%2F%2Fcoursetest.umt.edu%2Fwebapps%2Fport
al%2Fframeset.jsp&ticket=ST-8904-rHSAmvZTUOYDdwpfvUcVipq9y1CKza4o390-20
HTTP/1.1" 302 0 "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20 (.NET CLR 3.5.30729)"
"JSESSIONID=55F3A8D35569FA6514DFA50015B7FD1F.root;
JSESSIONID=DA0688C277A3896CA7A57C1AD6351955.root;
session_id=E667CC3DC63E75D51240A1D9C48E408F"

10.251.16.1 - - [23/Dec/2008:10:34:44 -0700] "GET
/webapps/portal/frameset.jsp HTTP/1.1" 302 0 "Mozilla/5.0 (Windows; U;
Windows NT 5.1; en-US; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20
(.NET CLR 3.5.30729)" "JSESSIONID=DA0688C277A3896CA7A57C1AD6351955.root;
session_id=E667CC3DC63E75D51240A1D9C48E408F"

10.251.16.1 - - [23/Dec/2008:10:34:44 -0700] "GET
/webapps/portal/frameset.jsp HTTP/1.1" 200 11006 "Mozilla/5.0 (Windows;
U; Windows NT 5.1; en-US; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20
(.NET CLR 3.5.30729)" "JSESSIONID=066EB0B1C6C336CE2C1CA8F29EF4C1BD.root;
JSESSIONID=DA0688C277A3896CA7A57C1AD6351955.root;
session_id=E667CC3DC63E75D51240A1D9C48E408F"

 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Michael Gaab
Administrator, Course Management System
Continuing Education
The University of Montana
Missoula, MT 59812

Phone: 406.243.6373
Fax: 406.243.2047
  

________________________________

From: cas-bounces at tp.its.yale.edu [mailto:cas-bounces at tp.its.yale.edu]
On Behalf Of Scott Battaglia
Sent: Tuesday, December 23, 2008 9:48 AM
To: Yale CAS mailing list
Subject: Re: Blackboard auth with CAS: Redirect Loop

 

All it most likely means is that you're asking for new tickets.  The
issue is why the client is asking for new tickets.  Check your client
logs for ticket validation failures and subsequent redirects.

You can also turn logging on for the server and it should tell you if
ticket validation failed.

-Scott

-Scott Battaglia
PGP Public Key Id: 0x383733AA
LinkedIn: http://www.linkedin.com/in/scottbattaglia



On Tue, Dec 23, 2008 at 11:30 AM, Michael Gaab
<michael.gaab at mso.umt.edu> wrote:

Scott,

 

The attached file takes a one second snapshot of a single session. The
entries clearly show that during a one second interval that 7 new
tickets were created and then a subsequent redirect (http 302).  

 

Not sure what this means.

 

Thanks, Mike

 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Michael Gaab
Administrator, Course Management System
Continuing Education
The University of Montana
Missoula, MT 59812

Phone: 406.243.6373
Fax: 406.243.2047
 

 


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