摘要:
In one embodiment, a first router associated with a first network node sends a first map lookup that includes a particular device identifier associated with a second network node to a mapping service that maintains a plurality of mappings that associate device identifiers with device locations. The first router receives, from a second router associated with the second network node, a map response that includes a particular device location that corresponds to the particular device identifier for the second network node. The first router establishes a secure session with the second router, and determines, based on the secure session, whether the second router is authorized to reply for the particular device identifier associated with the second network node.
摘要:
A method and an apparatus are disclosed for securing authentication, authorization and accounting (AAA) protocol messages. An encryption key, a device identifier value, and verification data are received and stored at a network device. The verification data comprises in part a copy the encryption key and the device identifier value, and has been encrypted using a private key of a server. A shared secret is generated by applying a computational function to the encryption key and the device identifier value. Based on the shared secret, a first message integrity check value for a message is generated. The message, the first integrity check value, and the verification data are sent to the server. The server decrypts the verification data using the private key, extracts the encryption key and the device identifier value, and generates the same shared secret by applying the same computational function to the extracted encryption key and device identifier value. Based on this generated shared secret, a second message integrity check value is generated and compared to the received first message integrity check value.
摘要:
Data to be transmitted across an Optical Transport Network (OTN) is encrypted with a non-malleable encryption algorithm. An authentication code configured to allow authentication of the data with a low latency encryption algorithm is generated. A packet is generated which is configured to be transferred across the OTN and contains the encrypted data and the authentication code. The packet is transmitted across the OTN. Non-malleable encryption, origin authentication, data integrity and anti-replay protection are provided for OTNs over Dense Wavelength Division Multiplexed (DWDM) links. In one example, XTS-AES encryption and GMAC authentication techniques are combined to secure OTN frames.
摘要:
Zone information is automatically and dynamically configured and managed in a fiber channel storage area network upon detection of network events. Some examples of events that trigger automatic dynamic zone updates include virtual port creation, intrusion/anomaly detection, arbitration decision completion, misconfiguration detection, and device malfunction. The newly created/updated zones are propagated through the fiber channel fabric and provide access control.
摘要:
Zone information is automatically and dynamically configured and managed in a fibre channel storage area network upon detection of network events. Some examples of events that trigger automatic dynamic zone updates include virtual port creation, intrusion/anomaly detection, arbitration decision completion, misconfiguration detection, and device malfunction. The newly created/updated zones are propagated through the fibre channel fabric and provide access control.
摘要:
An apparatus comprising encryption logic that provides security for fiber-based communications may be implemented in accordance with an embodiment of the present invention. A data super frame is created by the encryption logic to comprise two or more data frames. Each of the data frames contains a payload portion. The encryption logic may receive one or more data payloads that are associated with a client signal. Using a single set of security control parameters, the encryption logic encrypts and stores a different encrypted payload in a payload portion of a different frame of the data frames in the data super frame. Instead of storing the set of security control parameters in a single data frame, the encryption logic stores the set of security control parameters in different sets of unused bytes associated with at least two different frames of the data frames.
摘要:
Disclosed are methods and apparatus for detecting anomalies in a storage area network (SAN). Provided are one or more anomaly type(s) and corresponding actions to be performed when the one or more anomaly types are detected. Traffic in the SAN is then inspected in order to detect the one or more provided anomaly type(s). When a one of the provided one or more anomaly type(s) is detected, one or more of the corresponding action(s) is performed. The provided anomaly type(s) may include one or more of the following: a read or write access pattern anomaly, excessive login or control requests, a bandwidth usage anomaly, a configuration anomaly, and a hardware anomaly. The provided corresponding actions may include logging and/or publishing the detected anomaly, enabling capture of the detected anomaly by an analysis device, re-authentication of a host that is responsible for the anomaly, disable access control for a host that is responsible for the anomaly, rate control of an anomalous link, and shut down of an anomalous link.
摘要:
An apparatus comprising encryption logic that provides security for fiber-based communications may be implemented in accordance with an embodiment of the present invention. A data super frame is created by the encryption logic to comprise two or more data frames. Each of the data frames contains a payload portion. The encryption logic may receive one or more data payloads that are associated with a client signal. Using a single set of security control parameters, the encryption logic encrypts and stores a different encrypted payload in a payload portion of a different frame of the data frames in the data super frame. Instead of storing the set of security control parameters in a single data frame, the encryption logic stores the set of security control parameters in different sets of unused bytes associated with at least two different frames of the data frames.
摘要:
A method and apparatus for secure storage of data by using redundant keys is provided. The method includes encrypting a data set by using a master key, which can be encrypted by different sync keys. Sync keys can be generated by different supervisor cards. Thereafter, the encrypted master key and the encrypted data set can be stored in a memory. Further, credentials stored in one of the supervisor cards can be encrypted and transferred to other supervisor cards, to provide redundancy of supervisor cards.
摘要:
A method of securely extending a protected network through secure relay of AAA information, when an isolated device lacks Layer 3 connectivity to an AAA infrastructure of the protected network, comprises receiving a first authentication message, from an isolated first network device, wherein the first authentication message is encapsulated in a first Layer 2 message, wherein the first authentication message seeks to authenticate a second network device using an authentication server, and wherein the second network device and the authentication server are within a protected network; extracting the first authentication message from the first Layer 2 message; forming a packet that includes the first authentication message; sending the packet with the extracted authentication message over a Layer 3 link to the authentication server, without modifying the extracted authentication message. Thus a network node within a protected network can relay AAA requests and responses between an isolated AAA client, encapsulated in Layer 2 messages, and an AAA server, in Layer 3 messages.