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..

My CCIE Security step 2.0 - Security Protocols, Ciphers and Hash Algorithms

Monday, June 30th, 2008 Posted in CCIE Security, Cisco | No Comments »

Now that I have returned from Networkers I plan to dedicate a lot more time to passing the written and starting to study for the lab. This will probably be ... Read more..

Connectivity issues with Pix/ASA Remote User VPN

Saturday, June 7th, 2008 Posted in ASA/Pix, Cisco | No Comments »

Recently I came across an issue where after connecting to a Pix/ASA with the Cisco VPN Client from behind another Pix/ASA the remote user was unable to communicate with the ... Read more..

Strange ASA to ASA IPsec problem

Tuesday, May 20th, 2008 Posted in ASA/Pix, Cisco | No Comments »

So today a customer was upgrading a Pix to an ASA and also changing their external IP address so we needed to update the tunnel information and a few commands on ... Read more..