Script to backup Cisco switches via telnet / tftp
A couple of days ago, I have released a small perl script to back up Cisco IOS based switches via telnet. I know there are a couple of similar scripts available on the internet, but most of them either use the “expect” functionality (which does not work all the time), or use SendKeys (which only […]
Free tool : Find out where your AD Users are logged on into
Hi, I decided to release another free utility I wrote a while ago. This small command-line utility can be used to find out where Active Directory users are logged on into, and/or to find out who is logged on on specific machines. This should include local users, users that are logged in via RDP, user […]
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 at the same time, you need to put a maintenance/management procedure in place so you can stay […]
Nessus/OpenVAS wrapper for ike-scan
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 or may not work with earlier versions or newer versions, so test test test) Some of the […]
Monitoring your network with Powershell
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 also monitor hosts behind firewalls (or hosts that cannot be pinged). In addition to this, you […]
Free tool – PVE TCP Ping Utility – v1.0.0.1
I wanted to share a small utility that I wrote a while ago, allowing you to run a non-interactive ‘ping’ to a tcp port (e.g. from within a script). This could for example allow you to bring up a VPN tunnel from a script (by generating traffic to a target host), to determine whether a […]
Exchange 2007 – Multi Account Domain to Single Resource Forest replication with IIFP and custom Rules Extension
Introduction The title of this post may be a bit misleading – synchronizing multiple account domains to a single domain or forest is not limited to Exchange. There may be other reasons (e.g. Identity Management solution) that require you to replicate users from multiple domains into a single domain/forest, or even ADAM instance. In this […]
Free Tool – Cisco Ironport C350 Safelist / Blocklist merge utility
If you have multiple Cisco Ironport C350 devices, you may have noticed that safelist / blocklist entries are bound to an individual device. So if your Ironport devices are both installed to handle incoming mails, end users need to manage safelists/blocklists on both devices in order to be sure that both devices operate in the […]
Free tool – Attachment filtering with Exchange 2007/2010 (custom transport agent)
Keywords : microsoft exchange 2007 attachment size filtering quarantine block reject small zip files attached When messaging admins need to implement some sort of attachment filtering, they mostly think about antivirus products, or using transport rules in Exchange 2007. I have discovered that not a lot of antivirus products nor the Exchange 2007 built-in functionalities […]
Free Tool – Password Generator dll for Visual Studio (and other languages)
Because some of my own applications required the ability to create random passwords, I decided to write a small dll that will allow me to implement the generation of random passwords in a fast and easy way. You can download the dll from How to use the dll in Visual Studio Create a new Visual […]
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