May 24, 2011Blog Staff By Blog Staff

Thre@t Reply: What’s a Firewall?

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This week’s Thre@t Reply video features Threat Research Analyst Armando Orozco answering one of the most frequently asked questions we receive: What is a firewall, and how does it work? Well, the actual question wasn’t put quite so politely, but that’s the gist of it. Armando is the primary researcher working on the Mobile Security for Android product, but he also researches malware on Windows and Mac malware, as well.


As always, feel free to submit your security question to @webroot, or by email to blog (at) webroot (dot) com, or in the comments below and we’ll get one of our threat researchers to answer it on an upcoming Thre@t Reply video. To see any of our other video replies to reader questions, visit the Webroot channels on YouTube or Vimeo.

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5 Responses to Thre@t Reply: What’s a Firewall?

    • But you do have one, probably several. That is the whole point, as to what is allowed through the gate (firewall) and what is not depends on what your gate has been told to let through. I think he could have slowed down the explanation a little better, but you have a firewall built into your computer, one in your e-mail, one from Webroot. He could have been much more explanatory and taken it a little slower. Unfortunately, that is what happens when a techie type tries to explain something to the rest of us. If we knew we wouldn’t have asked in the first place.

  1. “What is a firewall, and how does it work?”

    The video said what it DID, but not really anything about how it works. Much too basic to be of any interest to anyone except the real beginner.

  2. I thought this was a pretty good and simple explanation as to what a firewall is….the only reason I’m commenting was because I found the use of the refugee images by the gate unnecessary and uncalled for. Looks like there wasn’t much thought involved when making nor editing the video. Just wanted to let you know,as a consumer of your product, that is something that would make me think twice before purchasing from you again.

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