We currently have a Cisco ASA VPN deployment using ACS -> AD authentication. 
We're using the RADIUS Class attribute to do group locking between these 
systems. We have around 50 groups in use.

We're in the middle of an RSA SecurID deployment and can't seem to figure out 
how we maintain the group locking part of it. SecurID doesn't appear to care 
what's in the Class attribute, you can just ask whether or not it is present to 
authenticate. As far as I can tell, SecurID will authenticate anyone that has a 
valid AD account in any of the configured AD groups. We can work around this if 
we trust the group/password on the IPSec client (we don't), but don't see any 
way of enforcing group security with Anyconnect, which we will likely deploy 
soon.

The only workaround we have for this is that we can see right now is to limit 
RSA SecurID to only a very small amount of groups, and combine their access 
control policy on the firewall behind the VPN concentrator into a single 
policy. This is not ideal. We're looking for something like a 
authenticate-and-continue option in ACS, or a better understanding of how to do 
the right thing in SecurID.

Not sure if this is the right forum for a question like this, but would 
appreciate any help.

Thanks.
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