Archive for July, 2008

EAP/PEAP, TKIP and TLS

Wednesday, July 23rd, 2008 Posted in CCIE Security, Cisco | No Comments »

TKIP (Temporal Key Integrity Protocol) is an 802.11i standard that enhances WEP by providing key mixing, anti-replay and message integrity. EAP (Extensible Authentication Protocol - RFC 3748) - is a universal ... Read more..

Radius and TACACS+

Wednesday, July 23rd, 2008 Posted in AAA, Cisco | 1 Comment »

RADIUS is a client/server protocol used to provide interoperability between different vendors to achieve secure networks through AAA (authentication, authorization and accounting). RFC 2865 describes the authentication piece of RADIUS ... Read more..

IPsec Protocol Headers (AH and ESP)

Wednesday, July 16th, 2008 Posted in Cisco, IPsec | 1 Comment »

ESP (RFC 4303) - Encapsulating Security Payload is an IP protocol that is used to protect the CIA (Confidentiality, Integrity and Authenticity) of data and can also prevent IP replay ... Read more..

CCIE Security (350-018) Pre-qualification test scheduled

Wednesday, July 16th, 2008 Posted in CCIE Security, Cisco | No Comments »

I went ahead and scheduled my written exam for August 1st. I am about 90% ready so far even though my posts don't show it. I have almost finished the ... Read more..