364 posts categorized "Tony Fortunato" Feed

Tonys bits – Simple IP Config (by Tony Fortunato)

I have been getting a lot of requests to share the software that I use in my classes and in the field, so here we go.

This one is called Simple IP Config. Pretty straightforward software where you create different network profiles that you would need in your environment.  For example you might need a static IP address to configure equipment for the first time.  Or you might need a static IP address for certain networks.

The software is free, has no ads, portable, so nothing to install and lastly, it just plain works well. You can find it here; https://sourceforge.net/projects/simpleipconfig/

Depending on your configuration, you may need to run the software as an administrator and leverage the fact that it uses plain text ini files to further customize.



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Saving Specific Packets With Wireshark (by Tony Fortunato)

I’ve received a few requests to update some of the Wireshark basic skill videos since the user interface has changed in version 2.

I just got an email from a new Wireshark user asking how to save packets that result from a display filter.

In this video I cover that procedure and look forward to creating more updated videos




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Upgrading Firmware And Why its Critical (by Tony Fortunato)

 The topic of keeping firmware and/or software that keeps your network equipment running current is not as straight forward as you might think.

Let me start from a different perspective. When researching equipment and vendors, I like to see if they have a support community and how often they update their firmware/software as well at the products’ technical specifications. I have found some real gems with this kind of background work. A few years ago I discovered a vendor that provided free management software that also performed firmware uprades for free. And it works great!!

Another key point is if the vendor charges for firmware/software and what the requirements are to register on the support forum. Along with this point, I try to determine the firmware upgrade process and if customers have had issues performing this procedure in the past. I personally find that if support forums are easy to join, members tend to share and collaborate tips, tricks and experiences more.

Back to the original topic, when I receive new equipment, one of the first things I do is check what the current version of software is loaded on the device versus what the current version is. One might argue that having the latest version might address specific exploits or vulnerabilities but newer versions of software might bring new problems or bugs. I always like to keep the current and previous version of software to be safe.

Recently I was asked to acquire, test and configure a router made by Ubiquiti Networks. I have used their wireless equipment for years, so I’m familiar with their equipment and generally had good experiences. The only criticism I would provide is that some of their equipment isn’t quite plug and play. They have a manual online but since their routers haven’t been around as long as the big players you have to scour the net to figure things out. They do have a support community but like most support forums don’t expect to get a prompt and accurate response every time.

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Introduction to Automating Your Testing (by Tony Fortunato)

The ability test consistently is a critical factor when troubleshooting, baselining or lab testing. This becomes a bigger issue when you are part of a team and need to replicate a test that your colleague performed weeks or months ago.

In inability to perform the same test, with the same steps can lead you to make incorrect conclusions and cause general confusion.

The tried and true way to document your testing methodology would be to write or type out your steps. Heck you might include the odd screenshot or video to ensure the reader follows your steps exactly.

This is where I add a little something extra and suggest automating your tasks with some sort of scripting language so you literally just press a button, sit back and collect the data.  Scripting ensures that every step is performed the same way, with the same delays, etc. every time.

The most basic script in the Microsoft world would be a batch file. I’ve been tinkering with batch files since 1990 and am always impressed how Microsoft has added more functionality, added Powershell and other goodies over the years.  Of course our Linux friends have bash scripts which server the same purpose.

If batch files aren’t your cup of tea there are tons of scripting packages and languages out there. One of my favorites out there is Autoit (https://www.autoitscript.com/site/autoit/) since it s afree Basic like scripting language. Autoit now has a portable version and you can compile your scripts to stand-alone executables.

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Wireshark Edit Name Resolution (by Tony Fortunato)

When using any protocol analyzer you might want to change the ip addresses to something more meaningful like; client, server or server name. Replacing an address with a name is also a good technique to mask public ip addresses or when using screen captures in your report or emails.

In this video I walk you through how to edit the name and one step that most people miss to get this to work.



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