PORTABLE DEVICE FOR SECURING PACKET TRAFFIC IN A HOST PLATFORM

摘要

Portable electronic device (2) removably connected to a host (1) platform linked to a packet network (RES), characterized by comprising means (TPS) for storing security policies (POS), means (MPS, TP) for detecting designation parameters security policy (PDP) in packets (PS) output from the platform towards the network and packets (PE) transmitted by the network and coming into the platform, and means (MPS, ACH , AA, AC) to treat packets leaving and entering (PS, PE) respectively according to security policy designated by the detected designation parameters.