firewall Archives - The Silicon Underground

Is Windows Firewall enough protection?

Dave Farquhar — Thu, 17 Aug 2017 11:00:07 +0000

Windows versions from XP onward include a built in firewall. But is Windows Firewall enough protection? Yes. And no. Security answers are almost always complicated. But I’ll explain. Is Windows Firewall enough protection? Yes. From a firewall perspective, Windows Firewall

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Common security attacks and countermeasures

Dave Farquhar — Wed, 03 May 2017 11:00:33 +0000

As a security professional, I talk to a lot of people about common security attacks and countermeasures. I’m not always certain the people I’m talking to know what these things mean. I am almost certain they aren’t willing to ask.

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Dangers of public wifi — and how to stay safe

Dave Farquhar — Mon, 20 Mar 2017 11:00:43 +0000

When it comes to the dangers of public wifi, many people tend to take one of two extreme approaches. Some don’t give it a thought at all. Some refuse to use it at all. Neither approach is completely practical. So

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Linksys vs TP-Link

Dave Farquhar — Tue, 21 Feb 2017 12:00:29 +0000

If you’re looking for the pros and cons of Linksys vs TP-Link, I have experience with both and I’m glad to share it. Linksys is a well established brand. From 2003 to 2013, they were Cisco’s consumer products division. Since 2013,

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Asuswrt-Merlin vs DD-WRT

Dave Farquhar — Mon, 12 Dec 2016 12:00:06 +0000

I’ve been using DD-WRT for years, but a friend convinced me to try Asuswrt-Merlin and now I’m a convert. DD-WRT is still my second favorite solution, but here’s why I favor Asuswrt-Merlin vs DD-WRT. Security Asuswrt-Merlin releases regular updates with

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What is a router DMZ? Is it safe to use?

Dave Farquhar — Tue, 29 Nov 2016 12:00:07 +0000

Most consumer routers have a feature they call a DMZ, or demilitarized zone. You may hear networking types talk about the DMZ at work. So what is a router DMZ, exactly? What is a router DMZ? Both at home and

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Using the DD-WRT firewall

Dave Farquhar — Fri, 29 Jul 2016 11:00:49 +0000

I get a lot of questions about the DD-WRT firewall. There’s a lot of talk out there that goes deep into theory and advanced firewall usage, but what if you just want to know how to set up your firewall

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Do I have enough CISSP work experience?

Dave Farquhar — Wed, 15 Jun 2016 11:00:15 +0000

It seems like about once a month an aspiring coworker asks me how to get enough CISSP work experience. I think this shows a misunderstanding of the requirement, so I’m going to try to clear it up. You don’t have

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Recommended DD-WRT settings

Dave Farquhar — Thu, 24 Dec 2015 12:00:34 +0000

I’ve been asked a few times now for my recommended DD-WRT settings, or at least my good-enough settings. I think that’s a great idea, so I’ll walk through how I configure a DD-WRT router. Follow these steps and I can

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What you can learn about corporate networks from the Jeep hack

Dave Farquhar — Sat, 08 Aug 2015 11:00:17 +0000

I’ve talked before about the infamous Jeep hack, but there’s more to learn from it than just that cars are vulnerable. The way Charlie Miller and Chris Valasek hacked the Jeep has implications for any computer network. What Miller and

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