When employees, partners or customers visit a protected web application AuthAnvil provides a web logon form challenging the user for their AuthAnvil passcode. When a user attempts to log in their passcode is sent to the AuthAnvil Strong Authentication Server (SAS) for authentication. If accepted, AuthAnvil transfers the request back to IIS, which then attempts to authenticate the user against the authentication system provided by the web application.
To accomplish this, AuthAnvil uses an ISAPI extension that installs directly into IIS. It sits between the user’s browser and the web server, intercepting all resource requests. When a request is made to a protected resource AuthAnvil challenges the user for their username and passcode. If the user is authenticated and authorized to access the resource, a tamper-resistant session cookie is created and the request is passed on to the underlying web resource.
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