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As new concepts for eSciene like grid computing and cloud computing tend to leave the research phase and develop towards production quality, the security eventually moves into focus. Up to now research in the security area concentrates on authentication and authorization on the resources themselves, but to enhance network security more generally, access control must be pushed back to the entry point...
To secure communication in Grids many efforts have been made regarding authentication and authorization. Due to some application requirements it is up to now recommended to open wide port ranges on firewalls. This configuration is commonly accepted as insecure. We present an approach to enhance the security of firewalled Grid components by a new method to dynamically authorize TCP connections on firewalls...
Grid computing provides users with transparent access to substantial compute and storage resources. Up to now the main focus lay in the development of Grid infrastructures and the development of services providing access to grid resources. This leads to a negligence of security aspects, which, for example, leads to the recommendation of open wide port ranges on firewalls protecting the Grid resources...
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