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).  We’ll assume that all traffic to from the client to the 192.168.0.0/16 networks needs to pass via the client VPN […]

Exchange 2007 : Powershell script to select optimal database for a new mailbox

If you have multiple Storage Groups / Databases on your Exchange 2007 server, you may want to try to spread your mailboxes over all databases.  You could use your “gut feeling” and/or select a database at random, or you could use a simple script to select the “best” database for hosting a new mailbox. The […]

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

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 that allows us to build PPTP or L2TP/IPSec connections.  Juniper screenOS does not support PPTP (which […]

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. The Windows Server will acts as a gateway to build a VPN tunnel towards the Juniper […]

Free Tool : PVE POP3 Collector v1.2 released today

After working a couple of weeks on the POP3 Collector, I’m happy to anounce the general availability of v1.2 of the free PVE POP3 Collector.  The new version can be downloaded from this link. The new version starts at 1.2.0.1000, because of a bug in the 1.1 branch update-check routines. New features in this version […]

Exchange 2007 : Resource Room Mailboxes

Scenario : You have an AD account domain, that holds user accounts used to log on to the network/Outlook, and you have a dedicated Exchange 2007 resource forest, that holds the Exchange infrastructure, (linked) mailboxes, etc.  Accounts in the account domain are synced from the account domain to disabled accounts in the Exchange forest (e.g. […]

My very best wishes…

The year is almost over, so I guessed this would be the perfect time to wish you and your families a Merry Christmas and a healthy, successful and splendid New Year. 2008 has been quite busy for me…   I’ve migrated this blog from Sharepoint to WordPress, made this blog available on the internet over ipv6, […]

Getting connected to the internet over IPv6 using Juniper/screenos

It started snowing today, so I guessed it would be the perfect timing to write a quick and dirty howto on getting connected to the internet over IPv6, using a Juniper ssg5.  I’ll also discuss the easy steps to configure Windows and Linux clients for IPv6 and access to the internet. Before looking at the […]

Blog now available over IPv6

I just wanted to share with you that, from this point forward, this blog and forum are now available over IPv6 (it might take a little while before all DNS servers are updated, but it should be fine before the end of the day I guess) If you access this website via IPv6, you should […]

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