Network security system and the method thereof

Details Network security system and the method thereof Network security system and the method thereof

2004-12-29

2011-10-04

Shiferaw, Eleni (Department: 2437)

Information security

Access control or authentication

Network

C726S012000, C713S153000, C709S231000

Reexamination Certificate

active

08032934

ABSTRACT:
The present invention discloses a network security system including a firewall arranged between the internal network and the external network, and a trusted node arranged between the firewall and the external network, which is used to provide a data channel between the internal network and the external network, and forward the data transported between the internal network and the external network; the firewall includes a first port configured at the internal network oriented side of the firewall and a second port configured at the external network oriented side of the firewall; and the trusted node includes a media-stream receiving port used to converge the data from the second port. The present invention also discloses a network security method.

REFERENCES:
patent: 7076393 (2006-07-01), Ormazabal et al.
patent: 7522594 (2009-04-01), Piche et al.
patent: 7602784 (2009-10-01), Piche et al.
patent: 2003/0140142 (2003-07-01), Marples et al.
patent: 2007/0067487 (2007-03-01), Freebairn et al.
patent: 2009/0019141 (2009-01-01), Bush et al.
patent: 1440604 (2001-03-01), None

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