Posts: (234)

Delegating Exchange 2007 Distribution List Management to End Users

One of the challenges that result from operating a messaging environment is making sure the company’s internal Distribution Lists stay up to date.  In most corporate environments, this is a task that is typically assigned to IT staff, however Read more

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Blog performance

I have noticed some blog performance issues over the last couple of days, so I have decided to make some system changes on the web and database servers that are hosting this blog.

These changes are in place, but Read more

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Fixing ‘Compatibility Mode grayed out’ or ‘Unable to enable Run as administrator’ on Vista / Windows 2008 Server

Ever wondered how you can set Compatibility Mode on executables under Vista / Windows 2008 server when the settings (or even the entire tab) has been disabled ? Or make the application “run as administrator” permanently, and you’ve found Read more

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First look at Exchange 2010 Beta1 High Availability using DAG

Lab config :

  • 1 x Windows 2008 server Standard Edition, 64bit : DC + HUB/CAS Server role : dionysus – 192.168.0.21
  • 2 x Windows 2008 servers Enterprise Edition, 64bit : Mailbox server roles : exch2010mb1 (192.168.0.22) and exch2010mb2 (192.168.0.23)
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Juniper ScreenOS : default route manipulations and redistributions

The default route or “route of last resort” is an important route in most present inter-network connectivity configurations. It contains all public and private routes possible and is responsible for directing traffic to a next hop when no better Read more

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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 ScreenOS : defeating iBGP full mesh requirement using route reflectors and confederations

As explained in one of my earlier posts, one of the requirements to successfully setup and operate an iBGP configuration is that all iBGP clients need to have a BGP connection to all other iBGP clients. (= full 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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