RFC 2409 PDF

Google Network Working Group D. Harkins Request for Comments: D. Please refer to the current edition of the "Internet Official Protocol Standards" STD 1 for the standardization state and status of this protocol. Distribution of this memo is unlimited.

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Google Network Working Group P. Please refer to the current edition of the "Internet Official Protocol Standards" STD 1 for the standardization state and status of this protocol.

Distribution of this memo is unlimited. Abstract The required and suggested algorithms in the original Internet Key Exchange version 1 IKEv1 specification do not reflect the current reality of the IPsec market requirements. The original specification allows weak security and suggests algorithms that are thinly implemented. This document updates RFC , the original specification, and is intended for all IKEv1 implementations deployed today. This document updates RFC by changing the algorithm requirements defined there.

Section 4 of that specification says that "IKE implementations Note that some of the requirements are the same as those in RFC , whereas others are changed. Tiger for hashing, Diffie-Hellman MODP groups with elliptic curves, DSA for authentication with signatures, and RSA for authentication with encryption are dropped due to lack of any significant deployment and interoperability.

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Internet Key Exchange (IKE) Attributes

Google Network Working Group H. This memo does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Abstract This document describes HMAC, a mechanism for message authentication using cryptographic hash functions. HMAC can be used with any iterative cryptographic hash function, e.

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İnternet anahtar değişim protokolü

Updated by: Network Working Group D. Harkins Request for Comments: D. Please refer to the current edition of the "Internet Official Protocol Standards" STD 1 for the standardization state and status of this protocol. Distribution of this memo is unlimited. All Rights Reserved. Table Of Contents 1 Abstract ISAKMP is designed to be key exchange independant; that is, it is designed to support many different key exchanges.

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Internet Key Exchange

User-space daemons have easy access to mass storage containing configuration information, such as the IPsec endpoint addresses, keys and certificates, as required. Kernel modules, on the other hand, can process packets efficiently and with minimum overhead—which is important for performance reasons. The IKE protocol uses UDP packets, usually on port , and generally requires 4—6 packets with 2—3 round trips to create an SA security association on both sides. The negotiated key material is then given to the IPsec stack. For instance, this could be an AES key, information identifying the IP endpoints and ports that are to be protected, as well as what type of IPsec tunnel has been created.

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