I've recently taken over management of my company's network. Unfortunately my predecessor had a very lax view of security and I'm in serious need of advice We have approx 30 users and have 2 main ...

I currently have a small network behind a sonicwall soho3, all web hosting is being done externally. I was told that they want to add webhosting with sql2000 DB access. I'm going to keep this totally ...

One of the most useful tools in firewall engineering today is the DMZ, or DeMilitarized Zone, a network where all publicly accessible services are placed so they can be more closely watched and, also, ...

In protecting critical applications, IT professionals need to tread a fine line between enforcing application security against increasingly sophisticated cyber attacks while providing sufficient ...

The Internet front door to almost every bank and financial services company in the world is guarded by two sets of firewalls defining a DMZ. Nearly every e-commerce site sits in a similar DMZ in what ...

Last month in Minding the Network we discussed three common firewall schemes and issues to think about as you determine your firewall needs. This month we’ll talk about some firewall configurations.

The Linux kernel includes some of the most powerful and flexible firewall code in any general-purpose operating system. This code is called Netfilter, though most of us refer to it by the name of its ...

Every organization that connects its network to the Internet needs a firewall to protect against intrusions and attacks from "out there." And today's security vendors make firewall products to fit ...

A firewall is software or hardware that sits between two networks -- typically, between your LAN and the Internet -- and allows some sorts of network traffic through while preventing others. It works ...

FWLB scales DMZ security equipment by adding additional firewalls as needed, avoiding the need to rip-and-replace existing devices, while offloading resource-intensive functions from performance ...