Archive

Archive for December, 2011

Virtual Routing and Forwarding (VRF)

December 28th, 2011 No comments

Two videos which explain about VRF configuration and troubleshooting. the first is an excellent overview and the second a practical demonstration of VRF configuration:

  1. Ivan Pepelnjak – Introduction to Virtual Routing and Forwarding (VRF) tables
  2. Keith Barker – Cisco VRF and troubleshooting

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Categories: CISCO, Network Design Tags:

Cisco Networkers Online – Introduction to MPLS

December 28th, 2011 No comments

This video (1 hour 52 minutes in length) is an excellent tutorial / introduction / refresher on the subject of MPLS and MPLS VPN.
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Categories: CISCO, Network Design Tags:

Asterisk Security Threats and Best Practices

December 28th, 2011 No comments

Attacks on Asterisk-based telephony systems are not uncommon. This video explains how to mitigate some attack vectors:
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Categories: Security, Voice over IP Tags:

DISA UNIX STIG Checklist

December 20th, 2011 No comments

Another Aide memoir:

UNIX SECURITY TECHNICAL IMPLEMENTATION GUIDE
Version 5, Release 1

Can be downloaded from: http://iase.disa.mil/stigs/downloads/pdf/unix-stig-v5r1.pdf

Categories: Computer Architecture, Security Tags: