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AS/400 Forensics: Retrieving your Licence Keys from disk images

December 15, 2025

A technical guide to forensic techniques for retrieving lost or forgotten licence keys from IBM AS/400 systems.

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IBM AS/400 - Setup Telnet 5250 Server

September 10, 2025

The IBM AS/400 Telnet server provides 5250 terminal access over TCP/IP. In this article, we will see how to configure and enable the Telnet 5250 service on an AS/400 running OS/400 V4R4.

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IBM AS/400 - Setup Telnet 5250 Server

September 10, 2025

The IBM AS/400 Telnet server provides 5250 terminal access over TCP/IP. In this article, we will see how to configure and enable the Telnet 5250 service on an AS/400 running OS/400 V4R4.

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IBM AS/400 - TCP/IP Setup

September 7, 2025

In order to be able to use the TCP / IP interfaces of the IBM AS / 400, they must be configured. In this article, we will see how to enable and configure the TCP / IP service to access the local network through Ethernet.

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Analysis and repair of an IBM Model M keyboard

Complete analysis and restoration of a 1990s mechanical IBM Model M keyboard, an iconic model known for its manufacturing quality and unique buckling spring mechanism.

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Parsing the msDS-KeyCredentialLink value for ShadowCredentials attack

January 18, 2025

In-depth explanation of the msDS-KeyCredentialLink attribute used in a shadow credentials attack, and how to parse it.

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