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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.
as400 forensics ibm keys licence mainframe recovery
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Rescuing one of the first IBM AS/400, a 9406-B30 from 1988
November 28, 2025
How we rescued one of the earliest IBM AS/400 machines ever built, a 9406-B30 manufactured in July 1988, one month before the official announcement, from being scrapped for gold.
as400 hardware ibm mainframe restoration
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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.
as400 ibm network telnet 5250
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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.
as400 ibm network telnet 5250
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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.
as400 ibm network
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BloodHound - Generating OpenGraphs in Python with bhopengraph
August 12, 2025
How I built bhopengraph, a Python library to generate valid BloodHound OpenGraph JSON files for custom data ingestion. Covers the OpenGraph schema, library design, practical examples, and lessons learned.
bloodhound graph opengraph python tooling

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