OSEC

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NFR Wizards Archives: Re: Possibility of replay attacks in manu

Re: Possibility of replay attacks in manually keyed IPsec?


Subject: Re: Possibility of replay attacks in manually keyed IPsec?
From: Chris Cappuccio (chrisempnet.com)
Date: Mon Dec 06 1999 - 01:34:23 CST


On Sat, 4 Dec 1999, Stefan Norberg wrote:

 | Mikael,
 | IPSec does NOT use fixed encryption keys.

Yes it can, this is called manual management, manual techniques, and
manual cryptographic key management throughout the RFC which you mention.

 | RFC2401 provides an excellent overview of the IPSec protocols.
 |

Furthermore, the RFC states that IPSec implementations are required to
implement both manual and automatic key exchange.

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