IT Pro Tuesday #252

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Welcome back to IT Pro Tuesday!

The latest episode of the Security Swarm Podcast: "What is Immutability and Why Do Ransomware Gangs Hate it?" features Philip Galea, an esteemed expert in immutability and backups at Hornetscurity. Find out why immutability emerges as a powerful weapon against ransomware gangs and a must-have feature for any backup system.

We're also looking for your favorite tips and tools we can share with the community... those that help you do your job better and more easily. Please reply or leave a comment with your suggestions, and we'll be featuring them in the coming weeks.

As always, we’re updating the full list on our website here. Enjoy.

A Free Tool

WANulator is a testing tool that simulates different user access line speeds and assorted internet issues such as delay or packet loss. Allows you to easily test and optimize the performance of your network applications in different scenarios and for any protocols. Kindly suggested by skinnybuddha.

A Website

Dark Reading features comprehensive discussion on the latest cyberthreats and the technologies used to fight back. Offers current and in-depth information on cybersecurity threats and vulnerabilities, technology and trends, events and resources—all nicely organized into topical categories. uptimefordays says, "Darkreading is pretty good."

Another Free Tool

Nautobot is an open-source, extensible, flexible network source of truth and automation platform with lots of nice features that can integrate with network automation solutions. Offers GraphQL and native Git integration, REST APIs, webhooks and a plugin system that can be used to create network automation apps. TheFuzzyJew explains, "It's a Netbox fork focused on Infrastructure as Code."

Yet Another Free Tool

Double Commander is a cross-platform file manager that takes what's nice about Total Commander and builds in some new features. Offers two panels side-by-side with a tabbed interface, configurable button bar and custom columns; support for Unicode as well as Total Commander WCX, WDX and WLX plug-ins; multi-rename tool; extended search function with full text search in any files; built-in viewer for hex, binary or text; internal text editor with syntax highlighting; and more. fonixholokauszt describes it as "…an open source multi-platform clone of Total Commander."

A Tutorial

Calculating Optical Fiber Latency explains the method by which you can precisely determine the time delay in any fiber optic waveguide. Also includes a handy downloadable "Optical Fiber Latency Calculator." Our thanks for directing us to this resource go to dayton967.

P.S. Bonus Free Tools

FastStone Image Viewer is a fast, easy-to-use image editor for viewing, comparison, resizing/cropping, retouching and color adjustments—with support for all major graphic formats. Offers an intuitive full-screen mode with hidden, mouse-activated, popup toolbars that provide quick access to EXIF information, thumbnail browser and other functions. Includes a high-quality magnifier, lossless JPEG transitions, image annotation, scanner support, histogram and more. fraxis appreciates it "for viewing and marking up screenshots."

Varnish Cache is a tool that provides a caching HTTP reverse proxy in order to accelerate your web applications. Once Varnish Cache is installed in front of any server that understands HTTP and configured to cache the contents, delivery speeds are typically enhanced by a factor of 300-1000x, depending on architecture. Kilobyte22 finds this tool along with HAProxy to be a winning combo.

Have a fantastic week and as usual, let us know any comments.

IT Pro title: 
WAN Testing, Network Automation, Fiber Latency & More