Hello I think I've found a work around for this issue. (I'm using Mandriva 2010) Just allow "testcards" in beidgui.conf. You'll get a warning when accessing card with beid-gui but it's working fine. I also can access www.taxonweb.be without problem (naturally with PKCS#11 configured in Firefox)
Best Regards Philippe [CA_certs] # Allow testcards allowtestroot = 1
