Archive

Archive for the ‘Security’ Category

Basic Cisco ASA Configuration

March 30th, 2010 No comments

This is the base setup of a Cisco Adaptive Security Appliance:

Read more…

Categories: CISCO, Security Tags:

Enabling ASDM on PIX and ASA

March 30th, 2010 No comments

ASA_firewall_policy_lgCisco Adaptive Security Device Manager provides setup wizards that help you configure and manage Cisco firewall devices, including:

  • the Cisco ASA Adaptive Security Appliances,
  • Cisco PIX appliances,
  • Cisco Catalyst 6500 Series Firewall Services Modules

All without “cumbersome” command-line scripts

Read more…

Categories: CISCO, Security Tags:

Basic Cisco PIX Configuration

March 30th, 2010 No comments

Here is a basic PIX configuration, which achieves the following:

–  NAT overload from an inside network to an outside network
–  Accept incoming PPTP VPN connections from ouside clients
–  Turns on the web-based GUI on the PIX Read more…

Categories: CISCO, Security Tags:

Configure SSH on Cisco Router

March 26th, 2010 No comments

This is a basic configuration to set up SSH on a Cisco router: Read more…

Categories: CISCO, Security Tags:

Troubleshooting IOS Firewall

March 11th, 2010 No comments

  • If too much traffic is denied by the IOS Firewall, study the logic of your list or try to define an additional broader list, and then apply it instead. For example: Read more…
  • Categories: CISCO, Security Tags:

    Permanently delete data from your computer

    January 13th, 2010 No comments

    Permanently delete data from your computer with a “Government Wipe” standard of removal.  This is to be recommended, especially is you resell your computer. Read more…

    Categories: Security, Unix(*nix) Tags:

    Tool to assist with ACL / Firewall Rules

    August 11th, 2009 No comments

    This Cisco IOS “Policy Compiler” can assist people with the configuration of “complex access lists”. I haven’t tried it myself, but here’s what it claims to do: Read more…

    Categories: CISCO, Security Tags:

    Configuring 802.1x on Cisco CatOS

    July 25th, 2009 No comments

    Here is an example of how to configure 802.1x on a Cisco 6500-series running CatOS:  (if you wish to configure dot1x on IOS, read this post)

    Read more…

    Categories: CISCO, Security Tags:

    Hacking Cisco NAC (BlackHat Video)

    July 19th, 2009 No comments

    Cisco NAC (Network Admission Control) enable security policy enforcement on end-devices attaching to the network.  This video produced by net-security.org reveals a critical vulnerability:

    Read more…

    Categories: CISCO, Security Tags:

    Freeradius – and Cisco 802.1x configuration

    July 8th, 2009 No comments

    If you want to practice radius configuration, or if you are testing a Cisco RADIUS setup without having access to the production server, here is a nice solution and sample config.

    The Cisco configuration is for the IOS.  If you want to know how to configure on CatOS, read this post Read more…

    Categories: CISCO, Security Tags: