As you most likely already know, Juniper screenOS supports a couple of dynamic routing protocols (OSPF, BGP, RIP). These protocols can be used to build very powerful and redundant networks, however there are some screenos specific issues with 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
I have written a small powershell script that will help you to monitor various hosts on your network. Instead of using ping to see if a host is alive, this script will connect to tcp ports, so you can 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
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 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.
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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 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
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 Read more
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