Posts:

Free tool : Windows 2003/2008 Certificate Authority Certificate List Utility for pending requests and about-to-expire certificates

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

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Juniper : Netscreen/ScreenOS to HTML (ns2html) + audit your firewall config (nipper)

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

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Cheatsheet : Cracking WPA2 PSK with Backtrack 4, aircrack-ng and John The Ripper

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
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Cheatsheet : Cracking WEP with Backtrack 4 and aircrack-ng

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

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Nessus/OpenVAS wrapper for ike-scan

ike-scan is a great tool to audit VPN/IPSec implementations.ย  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

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Juniper : Netscreen Remote Dial-UP VPN with AD Radius Authentication and route based VPN / tunnel interface

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). 

Weโ€™ll assume that all Read more

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Windows XP L2TP over IPSec dialup client VPN to a Juniper ScreenOS firewall, using Certificates

Before looking at the various configuration steps, weโ€™ll have to take the following assumptions into account :

– We donโ€™t want to use the Netscreen Remote client, but we want to use the Windows XP built-in dialup VPN technology Read more

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IPSec VPN between Windows Server 2008 and Juniper ScreenOS

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.

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Juniper ScreenOS Admin authentication using Windows based IAS (Radius)

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

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Using Fedora 9 as an OSPF / BGP router (Quagga / Zebra) and set up BGP between Linux and Juniper ScreenOS

In this post, Iโ€™m going to show you how to set up a Linux host (Fedora Core 9) and use it as a BGP enabled router. 

In order to fully understand the setup & configuration, please have a look Read more

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