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7441262 |
Integrated VPN/firewall system
Systems, devices, and methods relating to network firewalls and VPN gateways for controlling and securing access to networks. An integrated VPN/firewall system comprises at least one policy engine...
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7436955 |
Encrypting and decrypting a data stream
The present invention provides methods, systems and apparatus for encrypting and for decrypting a data stream, for securely sending a data stream and for securely receiving a data stream, and for...
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7437552 |
User authentication system and user authentication method
A subscriber's terminal 201 is configured to be connected to an internet service provided 208 via a LAN 202, and an IP subnet distribution switch 209 within a network service provider 203....
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7434254 |
Method and apparatus for automatic filter generation and maintenance
A method is disclosed for automatic filter generation and maintenance. From information transmitted on a network, a first device identifier and a second device identifier are detected. Based on the...
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7430759 |
Method and computer system for securing communication in networks
A method and a computer system for securing communication in networks of data processing units which can be used especially for individually created security units for portable computer systems. In...
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7424744 |
Signature based network intrusion detection system and method
A signature based intrusion detection method and system are disclosed. A method for detecting intrusions on a network generally comprises storing signature profiles identifying patterns associated...
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7424607 |
Authentication device and computer system
To restrict actions such as spoofing and thereby prevent tapping and leakages of data by certifying whether or not each communication device such as a storage device on a communication line is to...
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7424616 |
System and method for facilitating access by sellers to certificate-related and other services
A system and method are disclosed for facilitating access to a plurality of certificate-related and other services including certificate validation. A seller is provided with digital signature...
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7401356 |
Method and system for e-mail message transmission
An e-mail firewall applies policies to e-mail messages transmitted between a first site and a plurality of second sites. The e-mail firewall includes a plurality of mail transfer relay modules for...
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7398398 |
Authenticated and metered flow control method
An authenticated and metered flow control method provides a network interface with the capability to determine the authenticity of programs used to generate and send data packets, thereby ensuring...
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7392538 |
Firewall apparatus
Communication using IPv6 is carried out, and conversion is given to a prefix of an IPv6 address in a firewall. A security channel for mutual authentication with an out-of-home apparatus or the like...
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7389537 |
Rate limiting data traffic in a network
A network device coordinates with other devices in a network to create a distributed filtering system. The device detects an attack in the network, such as a distributed denial of service attack,...
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7389354 |
Preventing HTTP server attacks
A method for preventing denial of service attacks against Hypertext Transfer Protocol (HTTP) servers includes receiving a HTTP request from a subscriber using a first communication network coupled...
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7389532 |
Method for indexing a plurality of policy filters
A preprocessor used in conjunction with a network firewall is disclosed. The preprocessor creates a first index for identifying a plurality of filters installed in the firewall. The preprocessor...
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7386719 |
System and method for eliminating viruses at a web page server
A system and method for providing anti-virus protection to a web server. The method comprises the steps of: receiving web pages that are to be stored at the web server; stripping active elements...
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7386880 |
Web server employing multi-homed, modular framework
A Web server is provided having a multi-homed, modular framework. The modular framework allows extensions to the Web server to be easily compiled into the Web server, allowing the extensions to run...
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7386876 |
MAC address-based communication restricting method
A MAC address-based communication restricting method is disclosed. In the MAC address-based communication restricting method, packet data is received upon request of communication through an...
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7385980 |
Network relay device
The network relay device includes a central processing unit that includes a routing unit that executes routing of packets received from a network; a storage unit that concurrently with the routing...
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7383573 |
Method for transparently managing outbound traffic from an internal user of a private network destined for a public network
Methods and apparatus for transparently managing outbound traffic from an internal user of a private network destined for a public network are disclosed. Embodiments include a firewall device...
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7380013 |
Method for providing information to a web server
Access to information related to a client terminal is provided to a first web server, the information being stored by a second web server. The first web server is connected to the client terminal...
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7380274 |
E-mail firewall
An e-mail firewall ( 105 ) applies policies to e-mail messages ( 204 ) between a first site and a plurality of second sites in accordance with a plurality of administrator selectable policies ( 216...
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7380123 |
Remote activation of covert service channels
Remote activation of covert service channels is provided. A remote host can initiate and establish a connection with a target host without exposing a service channel or communications port to an...
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7376831 |
Selectively encrypting different portions of data sent over a network
An apparatus, system, and method are directed towards parsing and selectively encrypting different portions of data in real-time, decrypting the encrypted data in real-time, and passing the data to...
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7376829 |
Terminal, data distribution system comprising such a terminal and method of re-transmitting digital data
A terminal for receiving and re-transmitting information, comprises a first network adapter for receiving a primary data stream in which the information has been encoded, encrypted according to a...
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7373655 |
System for securing inbound and outbound data packet flow in a computer network
A method provides for control of access to network resources. A virtual identity machine resides in the network and is pre-authorized to access certain network resources. End users desiring access...
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7370195 |
Moving principals across security boundaries without service interruption
An improved network architecture employs a super authority having an identity catalog to direct login authentication tasks to appropriate authorities. Authentication tasks may be performed by...
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7366896 |
Systems and methods for limiting access to potentially dangerous code
Systems, methods and data structures are described for attaching a digital signature to a web page and authenticating the digital signature before allowing the web page to invoke a software control...
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7367052 |
Access list key compression
Methods and apparatus for implementing an access list key for accessing information associated with a packet from an access list are disclosed. The packet includes an IP source address field and an...
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7363656 |
Event detection/anomaly correlation heuristics
A system for detecting network intrusions and other conditions in a network is described. The system includes a plurality of collector devices that are disposed to collect data and statistical...
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7363490 |
Method and system for selective email acceptance via encoded email identifiers
A method, system, apparatus, and computer program product are presented for providing a user with the ability to limit the receipt of unwanted email messages. An encoded email identifier is...
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7360244 |
Method for authenticating a user access request
A firewall for authenticating a user access request is disclosed. The firewall device may include a proxy process for processing incoming connection requests. The proxy is configured to receive an...
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7360245 |
Method and system for filtering spoofed packets in a network
A method and system is disclosed for preventing an address spoofing based attack from a private network. The private network has at least one host and at least one router connected therein for...
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7340771 |
System and method for dynamically creating at least one pinhole in a firewall
A communications system and method for dynamically creating at least one pinhole in a firewall are provided. The communications system includes a protected node capable of initiating a...
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7328451 |
Network firewall policy configuration facilitation
Systems for providing information on network firewall policy configuration facilitation include a firewall facilitation coordinator configured to receive a request to add an application not...
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7325246 |
Enhanced trust relationship in an IEEE 802.1x network
Architecture for providing access to an IEEE 802.1x network. A trust relationship is created between a switch of the network and an access point of the network such that the access point is...
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7320142 |
Method and system for configurable network intrusion detection
According to one embodiment of the invention, a method for use in intrusion detection includes storing a default signature file defining one or more default signatures and storing a customized...
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7318152 |
Wide area network using internet with high quality of service
A wide area network using the internet as a backbone utilizing specially selected ISX/ISP providers whose routers route packets of said wide area network along private tunnels through the internet...
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7313815 |
Protecting against spoofed DNS messages
A method for authenticating communication traffic includes receiving a first request, such as a DNS request, sent over a network from a source address, to provide network information regarding a...
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7310728 |
Method of implementing a high-speed header bypass function
A method of bypassing a programmable processing element can include examining data where the data has at least a header, removing the header from the data, encrypting the data through a...
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7305546 |
Splicing of TCP/UDP sessions in a firewalled network environment
Computer peers located behind respective firewalls create special network sessions with a central mediator/translator or socket welder so that the peers can run applications that utilize the...
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7305549 |
Filters to isolate untrusted ports of switches
A technique is provided for dividing a plurality of switch ports into trusted ports and untrusted ports. The trusted ports are those ports that are coupled either directly or via one or more...
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7302370 |
System and method for managing browser sessions in single and multi-server workflow environments
Systems and methods are presented for managing browser sessions in single and multi-server workflow environments. Aspects involve maintaining session state for browser sessions at a first...
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7302108 |
System and method for creating information handling system restore media
Restore media, such as a CD, for restoring an information handling system to a manufacture state is automatically created from the manufacture image and descriptive files used to create the...
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7299361 |
Remote e-mail scanning system and method
A system and method are provided for protecting a user computer. An incoming e-mail message is initially received at a remote e-mail server over a network. Further, the incoming e-mail message is...
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7296291 |
Controlled information flow between communities via a firewall
A method and mechanism of controlling information flow in a firewall. A firewall controls the flow of information between different communities. The enforcement method and mechanism uses a database...
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7284269 |
High-speed adaptive structure of elementary firewall modules
A communications security system has been described. The security system in the form of a firewall is made up of a plurality of communicatively coupled sets of modules in a matrix configuration....
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7284268 |
System and method for a routing device to securely share network data with a host utilizing a hardware firewall
A system and method for providing the ability to selectively share data in a network routing device with an associated host. The system and method employs a hardware firewall in the routing device...
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7281265 |
System and method for communicating packets in a network environment
A method for communicating packets in a network environment is provided that includes receiving a first and a second packet and determining if the second packet is substantially similar to the...
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7277438 |
Fast flexible range checking
A network component for processing a packet can include at least one first storage unit configured to store a packet field value within the packet, at least one second storage unit configured to...
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7278160 |
Presentation of correlated events as situation classes
A method, computer program product, and apparatus for presenting data about security-related events that puts the data into a concise form is disclosed. Events are abstracted into a set data-type....
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