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Enterprises have many systems which need to be interfaced to. For example, remote access can be via IPSec VPN, SSL VPN, Citrix, Single Sign On systems , such as, CA/SiteMinder or RSA/ClearTrust or Oracle OAM and Reverse Proxies, such as, ISA Server. The solution also needs to interface to existing authentication mechanisms, such as, RADIUS, Active Directory, LDAP, etc. Also, the solution needs to be able to secure access to enterprise applications such as Siebel, PeopleSoft, SAP, Oracle Financial, etc.
This is a daunting task.

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