Keep in mind, though, that these users can??™t organize conferences hosted in your domain.
But what do you do if you have multiple domains in your enterprise? Simple: Enhanced
federation now also uses subject alternate names (SANs) in certifi cates. If you want to make
your domain capable of enhanced federation, all you have to do is install a certifi cate that
supports SANs on your Live Communications Server 2005 SP1 Access Proxy or your OCS
2007 Access Edge Server.
Finally, with OCS 2007, you can actively monitor all connections made to your
federated domains. This means you can limit traffi c from any federated domain that??™s not
on your Allow list. Additionally, OCS 2007 limits the number of internal users with which
these federated domains can communicate. Monitoring of this activity takes place on your
Access Edge Server using the Open Federation tab on the Status pane in the OCS
2007 Computer Management snap-in. If you fi nd that a federated domain has a legitimate,
but higher than average, volume of communications with your organization, you can add
the domain to your Allow list. If you suspect malicious activity, you can block the domain.
Client Applications
Client applications are the tools that your users access, and they use the IM, presence, and
conferencing features that are made possible by OCS 2007. Keep in mind that OSC 2007
and these client applications are symbiotic. Without the clients, the features exist as mere
potential. Without the server, the clients can do nothing.
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