News about viruses and ransomware seems to be a daily occurrence. In some cases systems are breached because of direct attacks on the system or through other means such as via email attachments or ...

Other departments frequently ask me to approve firewall modifications to allow applications to “talk” to one another. This past week, one of the business units asked permission to open our external ...

all devices in the DMZ should have a default route pointed outbound. your firewalls are the routers on the segments they protect, and therefore should be the decision point as to who and what goes ...

Having a firewall may not help protect the server if an attack is launched and nothing realizes it. If you already have Vendor A’s firewall on the exterior firewall of your company’s network, having a ...

I received this letter about the advisability of using a router as an external firewall today. The answer is below. Hello Al: Thanks again for your articles and website. It has been very helpful to a ...

I changed an ISA firewall to a new ISP with different IP addresses obviously. The internet is working inside the firewall but the web listeners don't seem to be working anymore. I have changed the DNS ...

Want to put a VPN or firewall on your network card? A new class of product handles all the processing, keeping your server free to do the hard work. Virtual Private Networks (VPNs) have seen boom ...

What Is a Host Based Firewall and Is it Secure Enough? Your email has been sent Most devices come with a host based firewall, but is it enough? Learn about this vital ...