Archive for the Category: Security

List Ciphers used by JVM

June 2, 2023 Roger Lacroix

On StackOverflow, someone was having an issue with a particular CipherSuite. So, I posted a sample Java code that I found a while ago to list the ciphers used by a JVM. I found the Java code on Atlassian Support’s page here. The purpose of the code sample is to allow the user to determine […]

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IBM TechCon 2023 Announced

February 21, 2023 Roger Lacroix

IBM has announced IBM TechCon 2023 and registration is now open. https://bzb.tools.ibm.com/TechCon2023 The event will be a virtual experience with 72 LIVE sessions across the following six tracks: – AIOps & IT Automation – Application Integration – API Management & Gateways – Cloud Native Development & Application Modernization – Messaging & Events – Observability & […]

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IBM’s Response to the Log4J Vulnerability

December 15, 2021 Roger Lacroix

Here is a link to a list of IBM products that are affected by the Log4J v2.x vulnerability (CVE-2021-44228): https://www.ibm.com/blogs/psirt/page/2/?s=2021-44228 The only IBM MQ related hit so far is for IBM MQ Blockchain bridge. Note: This is an actively growing list of IBM products. Hence, you should check back each day. Here is a link […]

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Log4J Vulnerability And Capitalware Products

December 11, 2021 Roger Lacroix

For those who have not heard, there is a new vulnerability in Log4J v2.x. Here is a link to the Log4J v2.x vulnerability: https://unit42.paloaltonetworks.com/apache-log4j-vulnerability-cve-2021-44228/ The Log4J v2.x vulnerability is related to the ‘lookups’ feature that was introduced in version 2. Lookups provide a way to add values to the log4j configuration at arbitrary places. They […]

Also posted in Capitalware, IBM i (OS/400), Java, JMS, Linux, macOS (Mac OS X), MQ Auditor, MQ Batch Toolkit, Open Source, Programming, Raspberry Pi, Universal File Mover, Unix, Windows Comments Off on Log4J Vulnerability And Capitalware Products

How Long it Takes for a Hacker to Crack Your Password

July 27, 2021 Roger Lacroix

Over at Komando’s web site, they have an article called: Use this chart to see how long it’ll take to crack your passwords. A general rule is that your password should be at least 11 characters and use numbers, along with upper and lowercase letters. That combination will take hackers 41 years to crack. Here’s […]

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Interesting Blog Item: IBM Knowledge Center – LATEST!

February 10, 2021 Roger Lacroix

Morag Hughson of MQGem has a new blog posting called IBM Knowledge Center – LATEST! regarding a new feature in the IBM Knowledge Center. Instead of providing a link with the MQ version number, you can swap the version number for the word “latest”. This is a cool feature for putting links in a blog […]

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Spring Boot Java Applications for CICS Tutorial Series

January 22, 2021 Roger Lacroix

IBM has published a 5 part tutorial series on using Spring Boot with CICS on IBM Z (z/OS). Spring Boot Java applications for CICS, Part 1: JCICS, Gradle, and Maven Spring Boot Java applications for CICS, Part 2: Security Spring Boot Java applications for CICS, Part 3: Transactions Spring Boot Java applications for CICS, Part […]

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How to Perform Common IBM MQ Management Certificate Tasks

January 15, 2021 Roger Lacroix

IBM has published a technical note on how to perform common IBM MQ management certificate tasks. https://www.ibm.com/support/pages/node/6382940 This document is intended to help with IBM MQ certificate management. It lists some of the most common commands needed to do basic certificate management tasks. In IBM MQ you can performed such tasks through the IBM Key […]

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Configuring Mutual TLS Authentication for an IBM MQ Messaging Application

January 15, 2021 Roger Lacroix

Max Kahan of IBM has published a hands-on blog posting on how to configure an IBM MQ application for mutual TLS authentication. https://developer.ibm.com/tutorials/configuring-mutual-tls-authentication-java-messaging-app/ In this tutorial, we’ll show you how to secure the queue manager and a client application, enabling them to complete a two-way TLS handshake and secure a messaging channel. Although we’re using […]

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MQ Visual Edit and IBM MQ AMS

December 4, 2020 Roger Lacroix

The other day, an end-user contacted me saying that their MQAdmin had recently implemented IBM MQ AMS (Advanced Message Security) to some of their queue managers and that the end-user was having issues getting MQ Visual Edit working with those particular queue managers. Its too bad that the customer chose IBM MQ AMS over Capitalware’s […]

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