System for controlling client-server connection requests

Details System for controlling client-server connection requests System for controlling client-server connection requests

2008-07-22

2008-07-22

Lanier, Benjamin E. (Department: 2132)

Information security

Access control or authentication

Network

C726S014000, C726S022000, C713S168000, C709S228000

Reexamination Certificate

active

10453043

ABSTRACT:
A method for controlling connections from an IP entity to a server. Initially, a limit count, representing a number of concurrently allowable connections between the IP entity and the server, is determined. When an incoming IP packet is received, the packet is processed to determine the source and destination IP addresses for the packet. An entry is then created in a limit table for the IP entity, if no entry for that IP entity exists in the table. A determination is made as to whether a pending connection should be allowed for the packet, by referring to the limit count and the entry in the limit table. The connection is allowed, and the limit count for the entry is incremented, if the attempted connection would not exceed the limit count for the IP entity; otherwise, the packet is blocked if the attempted connection would exceed the limit count for the IP entity.

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Yoshida, Takayuki; Notification of Reason For Rejection in JP 2004-165237 with English Translation; Japanese Patent Office, Aug. 1, 2006.

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