Matches 251 - 300 out of 344 < 1 2 3 4 5 6 7 >
Match Document Document Title
7058974 Method and apparatus for preventing denial of service attacks  
A method and apparatus for preventing denial of service type attacks on data networks is described. The method involves scanning the contents of the data packets flowing over the data network using...
7055173 Firewall pooling in a network flowswitch  
A firewall fault-tolerant network interface system includes a switch circuit configured to detect when a firewall fails in a multi-firewall local network. When a failed firewall is detected, the...
7055171 Highly secure computer system architecture for a heterogeneous client environment  
A method of securely connecting a plurality of client computers to computer resources in a shared computer system by extending client network domains around computer resources in the shared...
7054930 System and method for propagating filters  
A method and system for propagating filters to an upstream device. The method includes generating a filter at a first network device and sending information on the filter to a second network device...
7047303 Apparatus and method for using a network processor to guard against a “denial-of-service” attack on a server or server cluster  
A system comprising a network resource server or a server farm formed by a plurality of computer systems and a network processor which transfers data exchanged with an external network supported by...
7047561 Firewall for real-time internet applications  
The present invention relates to a firewall for use in association with real-time Internet applications such as Voice over Internet Protocol (VoIP). The firewall applies an application proxy to the...
7047564 Reverse firewall packet transmission control system  
The invention is designed to eliminate or minimize the liability associated with “packet flooding” attacks originating from within a local area network connected to an external network such as...
7036141 Transmission system, a method and an apparatus providing access for IP data packets to a firewall protected network  
The invention provides a transmission system, for example, an ATM transmission system, which is adapted for the transmission of IP data packets, and which includes an IP-network, a network...
7028179 Apparatus and method for secure, automated response to distributed denial of service attacks  
An apparatus and method for secure, automated response to distributed denial of service (DDoS) attacks are described. The method includes notification of a DDoS attack received by an Internet host....
7016700 Communication terminal unit capable of receiving a message and method for identifying a message sender in the same  
A communication terminal unit capable of identifying a message sender by comparing a source address attached to a received message with an address registered in a memory of the unit in advance,...
7013482 Methods for packet filtering including packet invalidation if packet validity determination not timely made  
Methods and systems for firewall/data protection that filters data packets in real time and without packet buffering are disclosed. A data packet filtering hub, which may be implemented as part of...
7010702 Architecture for virtual private networks  
Protocols and architecture for secure virtual private networks. Intraenterprise data communications are supported in a secure manner over the Internet or other public network space with the...
7006508 Communication network with a collection gateway and method for providing surveillance services  
A communication network ( 10 ) utilized for providing communications between a first party and a second party includes a surveillance server ( 26 ) within a core network ( 10 ) to provide...
6996842 Processing internet protocol security traffic  
Processing Internet Protocol security (IPsec) traffic includes determining at a first location if a classification parameter is available for the IPsec traffic that indicates a route for the IPsec...
6993588 System and methods for securely permitting mobile code to access resources over a network  
A system and methods are disclosed that permit mobile code, such as an applet, to create a network connection with a content server on a network, without exposing the client computer that is...
6981143 System and method for providing connection orientation based access authentication  
The present invention is embodied in a system and method for providing access authentication of users attempting to gain access to a network based on connection orientation parameters to prevent...
6981280 Intelligent network scanning system and method  
A system, method and computer program product are provided for scanning data. Initially, data is received at a network element. Thereafter, a load on the network element is identified. The data is...
6973581 Packet-based internet voting transactions with biometric authentication  
Internet voting or other Internet transaction comprises transmitting three information packets via the Internet. At least one information packet includes an identifier that is authenticated, such...
6947404 Automatic WAP login  
A system for connecting wireless terminals to a WAP gateway and thence to the Internet for providing content to the wireless terminals from Internet web servers includes an AutoLogin proxy and an...
6920504 Method and apparatus for controlling flow of data in a communication system  
A control system ( 900, 1100 ) and various methods and apparatus for efficient communications of data across various protocol layers are disclosed. Generally, various aspects of the invention...
6917974 Method and apparatus for preventing network traffic analysis  
A system and method for generating and transmitting false packets along with a true packet to thereby hide or obscure the actual message traffic. A new extension header having a plurality of fields...
6891839 Distributing packets among multiple tiers of network appliances  
A network is disclosed that includes a first tier of forwarding agents connected to a first tier of network devices. A second tier of forwarding agents is connected to a second tier of network...
6874090 Deterministic user authentication service for communication network  
A user authentication service for a communication network authenticates local users before granting them access to personalized sets of network resources. Authentication agents on intelligent edge...
6874026 Method and apparatus for filtering packets using a dedicated processor  
A dedicated data packet filtering processor whose only function is to filter data packets based on a list of source IP addresses stored in high-speed memory of the processor. The processor has a...
6871281 Method and system for sending data between computers using a secure pipeline  
A method for transmitting data is provided. The method includes receiving, from upstream in the path, a first data packet containing at least data and an associated first transmission protocol...
6868450 System and method for a process attribute based computer network filter  
A system and method for a process attribute based computer network filter assigns a process attribute to a process executing on a computing device and assigns a network attribute to a network...
6862684 Method and apparatus for securely providing billable multicast data  
The present invention comprises a method and apparatus for securely providing billable multicast data. The invention describes a solution that provides an architecture for enabling different types...
6854063 Method and apparatus for optimizing firewall processing  
A firewall system and method which optimizes the performance of the firewall process by reducing overhead associated with ACL verification and firewall application-level authorization. The firewall...
6851050 Providing secure network access for short-range wireless computing devices  
The present invention provides methods, systems, and computer program instructions for providing location-independent packet routing and secure access in a wireless networking environment (such as...
6832256 Firewalls that filter based upon protocol commands  
Data transfer is controlled between a first network and a second network of computers by a firewall-proxy combination. Active interpretation of protocol commands exchanged between the first network...
6826694 High resolution access control  
A system and method for high resolution access control for packetized information. A packet is received at a firewall. A rule corresponding to header information in the packet prescribes referring...
6826684 Sliding scale adaptive self-synchronized dynamic address translation  
A bastion host is provided for a local area network (LAN). The bastion host processes packets to be transferred from the LAN to a wide area network (WAN). The bastion host intercepts packets...
6823461 Method and system for securely transferring context updates towards a mobile node in a wireless network  
A method and system for transferring contexts from a previous access router (PR) to a new access router (NR) that is subsequently associated with a Mobile Node (MN). For example, transferred...
6816973 Method and system for adaptive network security using intelligent packet analysis  
A method and system for adaptive network security using intelligent packet analysis are provided. The method comprises monitoring network data traffic. The network data traffic is analyzed to...
6795917 Method for packet authentication in the presence of network address translations and protocol conversions  
For achieving packet authentication according to an applicable security policy between a sending node ( 903 ) and a receiving node ( 902 ) in a network, the following steps are taken: the...
6795918 Service level computer security  
Novel apparatus and methods for filtering data packets by providing non-user configurable authorization data. The invention provides an efficient, quick, secure, and simple to implement technique...
6792111 Cryptation system for packet switching networks based on digital chaotic models  
A cryptation system for information transmitted through packet switching networks masks the digital information data by combining it at the transmitting station with digital data of a certain...
6789196 Communication controlling method, communication controlling system and communication controlling apparatus  
A communication controlling system which permits plural broadcast programs from plural broadcast program providers to be viewed easily and inexpensively. For a case wherein plural broadcast signals...
6782474 Network connectable device and method for its installation and configuration  
A network device ( 100, 300 ) is connected to a network ( 102 ) having also a management station ( 107 ) connected thereto. The method for configuring the network device comprises the steps of ...
6772348 Method and system for retrieving security information for secured transmission of network communication streams  
A system and method for retrieving security data, such as Security Associations (“SAs”) of the IPSec protocols, required for secured transmission of network packets uses a caching mechanism to...
6735702 Method and system for diagnosing network intrusion  
A method and system are disclosed for analyzing traffic on a network by monitoring network traffic and, when a particular network condition (for example, a network attack) is detected, gathering...
6725378 Network protection for denial of service attacks  
An active monitor detects and classifies messages transmitted on a network. In one form, the monitor includes a routine for classifying TCP packet source addresses as being of an acceptable,...
6704866 Compression and encryption protocol for controlling data flow in a network  
Process for controlling frames transporting data from a transmitting Terminal (DTE 1 ) to at least a receiving Terminal (DTE 2 ) through a plurality of consecutive nodes including a start access...
6678283 System and method for distributing packet processing in an internetworking device  
An internetworking device having a set of network interface cards, where each network interface card is able to address and send data to any of the other network interface cards. According to one...
6625147 Communications network control system  
A communications network control system includes a packet judging circuit 412 for judging whether a variable-length packet inputted via a network 12 is a control packet CPKT self-addressed and...
6606710 Adaptive re-ordering of data packet filter rules  
A packet data filter which stores ordered rules and sequentially applies the rules to received data packets to determine the disposition of the data packet. The packet filter maintains a match...
6574666 System and method for dynamic retrieval loading and deletion of packet rules in a network firewall  
A system and method for loading a filtering rule at a firewall. A firewall receives a packet and determines if a rule that pertains to the packet is loaded at the firewall. If a pertinent rule is...
6571338 Maintaining packet security in a computer network  
The present invention provides a method and apparatus for determining the trust worthiness of executable packets, e.g., internet applets, being transmitted within a computer network. The computer...
6496935 System, device and method for rapid packet filtering and processing  
A system, a device and a method for accelerating packet filtration by supplementing a firewall with a pre-filtering module. The pre-filtering module performs a limited set of actions with regard to...
6477648 Trusted workstation in a networked client/server computing system  
A trusted workstation includes a network interface card (NIC) with trusted computing base (TCB) extensions that provide for securely booting the workstation and performing subsequent receive and...
Matches 251 - 300 out of 344 < 1 2 3 4 5 6 7 >