Monitoring modems with OpsMgr 2007
In this short post, I’ll explain one of the techniques to monitor whether a modem is listening for incoming calls on a machine, using Operations Manager 2007. Assuming that you may have some modems that get turned on when someone needs to dial in (for whatever reason), and *should* be disconnected afterwards. So you would […]
Setting up InfoExpress CyberArmor Suite 3.5
CyberArmor is a really excellent personal firewall. The CyberArmor suite consists of a Policy Server (and Policy Manager) used to create policies, a CyberServer (used to capture logs and alarms, optional), a Secure Ping Server (optional) and an MSDE back-end. More information can be found at http://www.infoexpress.com/security_products/firewall_overview.php The product runs on Windows platforms and allows […]
Free tool – PVE Active Directory Disable Users
Every admin knows by now that using Active Directory as the central authentication database allows for a lot of possibilities in terms of user account and security management. Keeping internal as well as external users in one and the same AD might be a good idea if you have a lot of external people (partners, […]
Juniper : Setting up an IPSec VPN tunnel between a Juniper Netscreen firewall/vpn device and a Cisco VPN device
Today, I will explain the (easy) steps to set up a route-based IPSec VPN tunnel between a Juniper Netscreen firewall/VPN device and a remote Cisco device (such as Cisco ASA) If you are looking for more generic information on IPSec and building VPNs with Juniper, take a look at my blog post on VPNs with […]
Using Active Directory and IAS based Radius for Netscreen WebAuth authentication
As most of the bigger players in the firewall market, Juniper/Netscreen SreenOS based firewalls allow you to use/enforce/require authentication for various reasons : Admin login Client VPN Authentication to open a specific rule on the firewall In a default configuration, ScreenOS uses a local user account database for all types of authentication listed above. In […]
Performing AD Schema Updates in a safe way
Updating from 2003 to 2003 R2 & implementing Exchange are 2 common administrative tasks which both require a schema update. Since I’ve mentioned “updating from 2003 to 2003 R2”, I’ll take the opportunity to add some “notes from the field” to this blog post, which will increase success rate of the update and limit the […]
Delegating AD Admin tasks to non-Admin accounts
Designing a distributed/international Active Directory is certainly the most important piece of a successful AD implementation. One of the issues that should be dealt with is whether you want to allow other people to be Enterprise/Domain Admin or not. If you ask me : it’s not a good idea. You should restrict those rights to […]
Creating and installing lzm modules in Backtrack 2
Today, I will explain how you can create your own lzm modules & patch the backtrack 2 final ISO file (by adding your new module). First of all, get a fresh copy of the bt2final.iso file from http://www.remote-exploit.org/backtrack_download.html Write the ISO file to a CD and boot from the CD. This will load the bt2final […]
Running Snort with Dynamic IP on Fedora
One of my Linux boxes has a direct cable connection to the internet. I’ve been using Snort in corporate environments for a long time now, but I never had to configure snort to look at interfaces that have a DHCP assigned IP address and actually use that IP address as its HOME_NET. There’s an easy […]
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As far as I know, there are no free Management Packs available for monitoring Juniper/Netscreen firewalls with Operations Manager 2007. Catching snmp traps and syslog events seems to be the only “easy”/free way to monitor what is going on on your Juniper devices. The following steps will need to be taken : Prepare the OS […]