Sunnyvale, CA, United States
Sunnyvale, CA, United States

Fortinet, Inc. is an American multinational corporation founded in 2000 by brothers Ken and Michael Xie. The company sells high performance network security products and services including their flagship integrated network security solution, the FortiGate firewall. Fortinet distributes its systems and subscription-based services using the channel partner sales method via more than 20,000 partners worldwide. Fortinet is positioned as the revenue leader in Unified Threat Management .Fortinet competes in the UTM and network security industry against Cisco, Check Point, Juniper, and Palo Alto Networks, among others. Wikipedia.


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Patent
Fortinet | Date: 2016-12-20

Methods and systems for determining a token master on a ring network are provided. According to one embodiment, a ring controller of a first blade participating in the ring network receives an indication that an arbitration token originated by an originating blade has been received. The ring controller compares the priorities of the originating blade and the first blade. When the priority of the originating blade is higher, the ring controller transmits the arbitration token to the next blade. When the priority of the originating blade is lower, the ring controller sets the first blade as the originating blade and transmits the arbitration token to the next blade. When the priorities are equal, the ring controller assumes the role of the token master, which is responsible for periodically transmitting a discovery marker onto the ring network to facilitate topology discovery.


Methods and systems for facilitating content accessibility via different communication formats are provided. According to one embodiment, information indicative of one or more communication formats via which a client device is capable of communication is stored on a client device by (i) sending the client device a web page having embedded therein test content associated with a first protocol stack and/or a second protocol stack; and (ii) based on a response to the test content received from the client device, determining communication capabilities of the client device. A result of the determination is stored within a browser cookie, which is sent to the client device. A content request is received from the client device that includes the browser cookie. The client device is redirected to a server device appropriate for the communication capabilities of the client based at least in part on the browser cookie.


Patent
Fortinet | Date: 2017-01-19

Systems and methods for controlling applications on a network are provided. According to one embodiment, a network security device detects a suspect application protocol used in connection with network traffic exchanged between a source peer and a destination peer. The network security device sends a probing request to the destination peer based on the suspect application protocol. The suspect application protocol is confirmed when a response is received from the destination peer in accordance with the suspect application protocol.


Systems and methods for software defined behavioral DDoS attack mitigation are provided. According to one embodiment, a method is provided for controlling multiple distributed denial of service (DDoS) mitigation appliances. A DDoS attack mitigation central controller configures attack mitigation policies for the DDoS attack mitigation appliances. The DDoS attack mitigation policies are sent to the DDoS attack mitigation appliances through a network connecting the DDoS attack mitigation central controller and the DDoS attack mitigation appliances.


Patent
Fortinet | Date: 2016-12-30

Methods and systems for selectively blocking, allowing and/or reformatting IPv6 headers by traversing devices are provided. According to one embodiment, reputation information regarding observed senders of Internet Protocol (IP) version 6 (IPv6) packets and packet fragments is maintained by a traversing device based on conformity or nonconformity of extension headers contained within the IPv6 packets with respect to a set of security checks performed by the traversing device. When an IPv6 packet or packet fragment is received from a particular source IP address indicated by the reputation information to be associated with one or more nonconformity issues, then dropping, rate limiting or quarantining, by the traversing device, the IPv6 packet or the packet fragment.


Methods and systems for determining consecutive matches are provided. According to one embodiment, a class definition and a data stream are received by a network security device. The data stream is partitioned into multiple data blocks each containing N data segments. Each data block is processed in parallel to compute: (i) a value (F) indicating whether every data segment value meets the class definition; (ii) a value (L) indicating a number of consecutive data segment values meeting the class definition starting from the left; (iii) a value (M) indicating a maximum number of consecutive data segment values meeting the class definition; and (iv) a value (R) indicating a number of consecutive data segment values meeting the class definition starting from the right. Corresponding values for each data block are then aggregated to determine a maximum number of consecutive data segment values meeting the class definition for the entire data stream.


Patent
Fortinet | Date: 2016-12-14

Methods and systems for vendor independent and secure cloud storage distribution and aggregation are provided. According to one embodiment, an application programming interface (API) is provided by a cloud storage gateway device logically interposed between third-party cloud storage platforms and users of an enterprise. The API facilitates storing of files, issuing of search requests against the files and retrieval of content of the files. A file storage policy is assigned to each user, which defines access rights, storage diversity requirements and a type of encryption to be applied to files. Responsive to receiving a request to store a file, (i) searchable encrypted data is created relating to content and/or metadata of the file based on the assigned file storage policy; and (ii) the searchable encrypted data is distributed among the third-party cloud storage platforms based on the storage diversity requirements defined by the assigned file storage policy.


A method for balancing load among firewall security devices (FSDs) is provided. According to one embodiment, imminent shutdown of a first cluster unit of an HA cluster of FSDs is gracefully handled by a switching device. A load balancing (LB) table, forming associations between hash values output by the LB function and corresponding ports of the switching device to which the cluster units are coupled, is maintained. The first cluster unit is coupled to a first port. Responsive to imminent shutdown of the first cluster unit: (i) a second cluster unit, coupled to a second port, is selected to perform security services on traffic sessions handled by the first cluster unit; and (ii) the LB table is updated by replacing reference(s) to the first port with reference(s) to the second port. Security services for subsequently received network traffic associated with the traffic sessions is performed by the second cluster unit.


A method for balancing load among firewall security devices (FSDs) is provided. According to one embodiment, a switching device performs adaptive load balancing among cluster units of an HA cluster of firewall security devices. A load balancing (LB) function implemented by the switching device is configured based on information received from a network administrator. A LB table is maintained that forms associations between hash values output by the LB function and corresponding ports of the switching device to which the cluster units are coupled. Network traffic received by the switching device is directed to appropriate cluster units based on the LB function and the LB table. A traffic load on each of the cluster units is monitored. Responsive to a deviation from a predefined ideal traffic distribution, an attempt is made to improve performance of the HA cluster by dynamically adjusting the LB balancing table to address the deviation.


A method of detecting a content desired to be detected includes receiving electronic data at a first host, determining a checksum value using the received electronic data, sending the checksum value to a processing station, the processing station being a second host that is different from the first host, and receiving a result from the processing station, the result indicating whether the electronic data is associated with a content desired to be detected. A method of detecting a content desired to be detected includes receiving electronic data at a receiving station, and determining whether the received electronic data is associated with a content desired to be detected, wherein the receiving station does not include content detection data for identifying the content desired to be detected.

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