AUTH_WANTCREDENTIAL and redirect

Hi,

 

 

We have site with client-certificate auth, when user comes without certificate it should be redirected to some help page.

 

How can i issue a redirect to some url (not just "page cannot be displayed") or send him some http response when AUTH_WANTCREDENTIAL fired?

 

 

With following irule:

 

 

when AUTH_WANTCREDENTIAL {

 

HTTP::respond 401

 

}

 

 

i get error:

 

"Apr 12 18:28:53 tmm tmm[20528]: 01220001:3: TCL error: Rule _sys_auth_ssl_cc_ldap - Operation not supported (line 1) invoked from within "HTTP::respond 401 ""

 

 

p.s. i'm using big-ip 9.2.3