376 posts categorized "Tony Fortunato" Feed

Baselining and Configuring an IOT Device (by Tony Fortunato)

For those of you who have followed my articles and rants, I've talked about baselining equipment now for many years. in this particular article, I will spend a little bit more time showing you how I baselined a webcam – yup another webcam - what it was doing, and how I reconfigured it to stop the unwanted traffic

A common question I get asked is, “How do you baseline wireless equipment?” You've got several options; you can obviously get a wireless analyzer and capture those packets over the air. Another approach is to work from the access points LAN side by using an inline analyzer between the access point and its switch port. Lastly spanning or mirroring that port to an analyzer works just as well.

It's important to remember that every piece of equipment on your network should be profiled or baselined. You should be familiar with what it should communicate with as well as what it is communicating with.

As I said in the video it doesn't matter if it's a refrigerator, a camera, or a thermostat.  You should always find out how these devices behave because at some point you will have to troubleshoot them.

 

 

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Fixing Mailto Problems On Windows 8 (by Tony Fortunato)

I appreciate all the positive feedback I’ve been receiving from my PC articles since I typically post about networking and Wireshark topics.

In this video I discuss how to fix a mailto problem I ran into while setting up a network management computer for a client.

The mailto: URL can be used by webpages or applications to send emails. In the video I used a Chrome extension as a test to illustrate the issue and fix.

 

 

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LMTV LIVE | Wireshark Week (with Brad Reinboldt and Tony Fortunato)



Wireshark_email_header_17_200_3This week Tim, Tony and Denny spoke with an old friend, Brad Reinboldt, Senior Solutions Manager from Viavi Solutions, about their upcoming free education webinar series Wireshark Week.

We looked at the challenges of getting started with Wireshark, uncover quick tips from Tony that make troubleshooting in Wireshark easier, and talk about other tools that work alongside Wireshark to simplify root-cause analysis. Additionally, Brad went into detail on the Wireshark web sessions offered from November 6-11.

For more information, click here to sign up for Wireshark Week

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dumpcap Configuration Tool (by Tony Fortunato)

Wireshark users may already be familiar with tshark but not dumpcap.

dumpcap is a very powerful tool that Wireshark users you can use for a variety of reasons;

  • depending on your exact configuration, dumpcap can help mitigate dropped packets
  • in most cases dumpcap is less resource intensive
  • since dumpcap is a command line tool, you can use in a batch file
  • its easy to run it consistently regardless of your level of experience

The only issue with dumpcap is that the command line options can be overwhelming which is where the team from Advance7 comes in.  They put together a cool webpage that helps you figure out some basic dumpcap options.

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NetBeez Quickstart (by Tony Fortunato)

There is no shortage of utilities, applications and full blown network troubleshooting systems out there.  Some are free, and some cost a pretty penny.  Spoiler alert, they ALL have their place in the analysts’ toolbox.

When I present or work with a client, I explain the tools only accounts to 50% of the equation to successfully fixing a problem.  The other 50% is split between knowledge and practice. Think about it for a moment, anyone can buy a pocket knife, but only a few of us can carve something recognizable out of a block of wood.

NetBeez provides a very helpful free version of its product so you can get a feel of what it can do and where it might fit into your specific environment.  In the past I would have to figure out how to schedule, report results and then compile them for a report. Any one of those challenges would immediately turn off most analysts since we have plenty on our plates already.

Look at good old ping for a moment. Sure anyone can ping something

I tested the free virtual appliance, which you can find here https://netbeez.net/product/plans/netbeez-free. The free version supports; one agent, three targets, 1 user, Cloud server account, SMTP alerts, 1 and week data storage which is plenty for me and some of my clients who tried it.

Setup is pretty simple, go to NetBeez and create a cloud account and download their ova file. I used VMWARE workstation with no issues.

Some of the measurements that I tested are:

  • PING, Packet Loss, Round-Trip Time,
  • TCP-based PING test, Round-Trip Time, Packet Loss, Custom port numbers

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LMTV LIVE | General Data Protection Regulations

Join Tim, Tony October 4th when we’ll speak with Steve Brown, Director of Solutions Marketing, at Viavi Solutions about upcoming EU privacy and security regulations that will any organization that does business  in Europe. We’ll outline the impact of EU General Data Protection Regulations (GDPR) regulations on  network and security teams, clarify the global nature of GDPR regulations, and outline solutions and strategies for ensuring compliance.

When GDPR goes into effect on May 28, 2018, any organization that operates in, or does business in the EU will have just 72 hours to report detected breaches concerning personal information to relevant authorities and impacted parties. In addition to the LMTV discussion, resources can be found at: www.viavisolutions.com/gdpr