Detecting network evasion and misinformation

Details Detecting network evasion and misinformation Detecting network evasion and misinformation

2009-03-18

2010-12-07

Moe, Aung S (Department: 2474)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S235000, C370S237000, C370S252000, C709S225000, C709S232000, C726S011000, C726S022000, C726S023000, C726S027000, C726S028000, C726S029000, C726S030000

Reexamination Certificate

active

07848235

ABSTRACT:
Network evasion and misinformation detection are disclosed. Techniques are provided for network security, including determining whether a particular packet, segment, frame, or other data encapsulation has been retransmitted. By detecting and tracking retransmits, the packet may be compared to the original packet to determine whether an attack exists. By evaluating the original data stream and a copy of the original data stream modified with the retransmitted packet, an evasion or misinformation attempt may be detected, invoking pattern or signature matching to determine whether an attack is attempted against a target host.

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