Posts Tagged ‘key’

Certification Authority – decrease key lenght

June 27th, 2012 No comments

One my colleague wanted to make one of our customer’s environment very secure so he decided to install Enterprise Certification Authority environment with 4kB keys. He created one offline root CA with 4kB key (Windows 2003). This computer is offline all the time. Another CA is Issuing CA which key is signed by root CA. This issuing CA also had 4kB key (Windows 2008 R2). Certificates issued by issuing CA were from 2kB-16kB.

Problem raised when customer wanted to create certificate for Cisco devices to secure Wifi. To make those devices use and trust certificates from issuing CA customer needed to import Root and Issuing CA public certificates into those Cisco devices. And this was a problem. Those Cisco devices didn’t want to work with more than 2kB certificates.

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Remove “Screen Resolution” on right-click

August 19th, 2011 No comments

These days I’m working on one RDS (Terminal Services before) farm and I’m playing with setting users’ environment as secure as possible, but also as usefull as possible. When I disabled access to Control Panel for all users with settings in GPO I found one issue. When I right-clicked on Desktop under normal user I could see following options:

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Insert system variables into registry via GPO

August 1st, 2011 No comments

I’m implementing RDS (TS) farm at one of our customers. From my previous experiences I love to have %USERNAME% and %COMPUTER% name variables in name od Computer on RDS User’s Desktop.

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