The Role and Security of Firewalls in IaaS Cloud Computing. - Jordan Cropper; Johanna Ullrich; Peter Frühwirt; Edgar R. Weippl (ARES, 2015)

The role and security of firewalls in cyber-physical cloud computing. - Johanna Ullrich; Jordan Cropper; Peter Frühwirt; Edgar R. Weippl (EURASIP J. Inf. Secur., 2016)