1. Virtual Private Services: Coordinated Policy Enforcement for Distributed Applications Ioannidis, Sotiris; Bellovin, Steven Michael; Ioannidis, John; Keromytis, Angelos D.; Anagnostakis, Kostas G.; Smith, Jonathan M. 2007 Articles Computer science
2. Design and Implementation of Virtual Private Services Ioannidis, Sotiris; Bellovin, Steven Michael; Ioannidis, John; Keromytis, Angelos D.; Smith, Jonathan M. 2003 Articles Computer science
3. Implementing a Distributed Firewall Ioannidis, Sotiris; Keromytis, Angelos D.; Bellovin, Steven Michael; Smith, Jonathan M. 2000 Articles Computer scienceFirewalls (Computer security)IPSec (Computer network protocol)Computer networks--Security measuresOpenBSD (Electronic resource)