Information security – Access control or authentication – Network
Reexamination Certificate
2007-06-26
2007-06-26
Barron, Jr., Gilberto (Department: 2132)
Information security
Access control or authentication
Network
C713S153000, C709S224000, C726S002000
Reexamination Certificate
active
10289942
ABSTRACT:
Disclosed are two mechanisms for preventing access failures attributable to dynamic port assignment of firewall-blocked ports. The mechanism involves an enhanced firewall that opens blocked ports prior to possible dynamic allocation so that the blocked ports are not available when a port is requested. The second mechanism involves an enhanced commutations stack that works in conjunction with an enhanced firewall to reserve blocked ports so that the blocked ports are not available for dynamic allocation when a port is requested.
REFERENCES:
patent: 5912889 (1999-06-01), Preas et al.
patent: 6236659 (2001-05-01), Pascoe
patent: 6674720 (2004-01-01), Passint et al.
patent: 2003/0028806 (2003-02-01), Govindarajan et al.
Crutcher Paul Monroe
Gunsch Paul Maurice
Inman Todd Douglas
Marshall William Russell
Barron Jr. Gilberto
Lemma Samson
Roth Steven W.
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