Security (102)

Download backtrack from http://www.remote-exploit.org/backtrack_download.html. Current version at the time of writing is BT4 Pre-Final.This document is based on BT4 pre-final. Ergo, some of the instructions below may not work with other versions of BT.

FYI : An excellent guide Read more

In one of my earlier posts, I have talked about setting up a Windows 2008 based Certificate Authority/PKI. Once your Windows 2008 CA setup is in place and configured, you can go ahead and starting issuing certificates. But Read more

A short while ago, I came across 2 really nice tools that will help

- visualizing screenos configs into html pages

- auditing firewall configs

Converting screenos to html

The first tool, called ns2html, was developed by Rodrigo Read more

Basic steps :

• Put interface in monitor mode
• Find wireless network (protected with WPA2 and a Pre Shared Key)
• Capture all packets
• Wait until you see a client and deauthenticate the client, so the handshake can be captured
• Crack Read more

I know, there a probably already a zillion number of websites that show how to crack WEP.

So I guess this will be website zillion+1 learning how to audit your own WEP security. To be honest, the main reason Read more

ike-scan is a great tool to audit VPN/IPSec implementations.  This tool, which runs under Lunix, Unix, MacOS and Windows, can be found at www.nta-monitor.com/tools/ike-scan/ (Latest version at time of writing is 1.9). My Nessus ike-scan NASL wrapper may Read more

The following procedure explains how to set up a Juniper ScreenOS based firewall to accept Netscreen Remote Client VPN connections and authenticate users using Active Directory (Radius via Windows 2003 IAS or Windows 2008 NPS). 

We’ll assume that all Read more

Before looking at the various configuration steps, we’ll have to take the following assumptions into account :

- We don’t want to use the Netscreen Remote client, but we want to use the Windows XP built-in dialup VPN technology Read more

In this blog post, I will show you how to set up a IPSec VPN tunnel between a Windows Server and a Juniper ScreenOS based firewall and route traffic between hosts that are located behind these 2 VPN gateways.

Read more

On popular request, this is a quick write-up on how to set up a Juniper screenOS firewall to use an external Radius server (I’ll use Windows IAS) to authenticate administrators and to let the Radius server to assign admin Read more