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About Duke5A

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19th December 2014 08:45 PM
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19th July 2010

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Recent Entries

VB Script to set Java security level to medium

by Duke5A on 28th October 2013 at 03:45 PM
Long story short, Java started including an expiration timer on JRE releases. So many days after a release, regardless of update settings, a dialog will start popping up asking the user to update. This really isn't an issue, but with it JRE will stop running unsigned code. Many sites that my teaching staff have come to rely on have unsigned Java apps, and keeping over 500 frozen wireless laptops up to date every time a new version of JRE is released isn't really feasible. So enters VB script

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VB Script

VB Script to disable the Java IE plugin

by Duke5A on 4th March 2013 at 08:50 PM
Java has been an extreme pain in the neck as of late with the constant updates. Many sources are calling to uninstall it, but unfortunately many of us don't have the luxury of doing that. So the next best thing besides pushing out a stream of updates (that are already exploitable out of the box) you can do is to disable the Internet Explorer plugin. The ability to run Java within a browser is something that isn't needed in my district; all that is needed is for Java Web Start to handle the JNLP

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VB Script

VB Script to snoop DHCP logs

by Duke5A on 1st February 2013 at 05:39 PM
A forum post got me to thinking about a script to parse DHCP logs to notify someone when a particular MAC checks in with the server. You can run this script as a reoccurring task on the DHCP server and when it finds a match for the desired MAC it will send an email regarding the activity. This script will also keep a log of its own to prevent multiple email messages for the same log entry it finds. I've run this in a production environment with an internally hosted Exchange server and it works.

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Updated 26th February 2014 at 07:55 PM by Duke5A

VB Script

Squid Proxy and Youtube for Schools

by Duke5A on 14th December 2012 at 05:24 PM
Getting Youtube for Schools to work is something that is either easy, or an extreme PITA; which is entirely dependent upon what you use for a proxy. If you're reading this, then you know Squid falls in the ladder of those two scenarios.

There are two ways to go about doing it: adding a custom HTTP header, or rewriting the URL on the fly. The cleanest way is using the custom HTTP header, but as of Squid 3.1 it doesn't natively support adding custom headers. You can only change existing

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Updated 14th December 2012 at 05:40 PM by Duke5A


Getting the UUID from a running Windows machine, or a computer's AD object

by Duke5A on 25th September 2012 at 05:27 PM
Quote Originally Posted by Duke5A View Post
I was having issues with this too using WDS. The UUID is stored in the netbootguid property in the machine's computer object. If you were ever curious enough to want to find out what it is you can use this script:

strLDAPComp = "LDAP://CN=machinename,OU=example computers,DC=example,DC=com"

Set objComp = GetObject(strLDAPComp)

Msgbox "AD UUID:" & ConvertObjectGuidToString(objComp.netbootguid)

Function ConvertObjectGuidToString(ByVal

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VB Script
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