Common causes of browser looping:

By default, the cosign service cookies are marked as secure, and will  
not be transmitted over http connections.  The recommend solution is  
to redirect http requests for cosign-protected pages to the https  
equivalent.  You can also remove the "secure" flag in the settings,  
but this is, of course, insecure.  In the cosign.dll.config file for  
the IIS 6 filter look for the <cookies><secure> option and set it to  
false.

Outgoing connections on port 6663 are being blocked and the filter  
cannot communicate with the weblogin server.

There is an expired or untrusted certificate being used on either the  
cosign-protected web server or on the weblogin server.


Jarod


On Nov 11, 2009, at 3:01 PM, Mark Montague wrote:

> On Wed, Nov 11, 2009 2:42 PM, =?gb2312?B?zsTXvyDVxQ==?= 
> <andrew...@hotmail.com 
> > wrote:
>> The filter redirects to the protected page after validation handler  
>> is done.
>> But it seems that the filter cannot find the cookies somehow, then  
>> it redirects to weblogin server again, going in a loop.
>> At this point I cannot find more about the problem.
>
> Use Live HTTP Headers or a similar tool to observe the HTTP requests  
> and responses.  Let us know what the sequence of specific URLS are.
>
>
>> Another thing, i cannot find cosignd log on a mac. There is no  
>> syslog.log on mac os.
>> Just wondering where the cosignd could write to.
>
> The Mac is your central weblogin server, correct?  cosignd should  
> not be run on a normal server that serves cosign-protected web pages.
>
> I don't know if anyone has successfuly run a central weblogin server  
> on a Mac.  There might be changes that are needed to the source code  
> to make it work.  Out of the box, cosignd will log using the  
> "daemon" facility.  This does not appear to exist on MacOS 10.5;  
> have you modified the code?  syslog messages that are logged without  
> a facility under MacOS X appear in /var/log/system.log
>
>
>                 Mark Montague
>                 ITS Web/Database Team
>                 The University of Michigan
>
> markm...@umich.edu
>
>
>


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