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 ...

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

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, ...

Hi, we're looking at replacing our lame MS Proxy 2.0 server, and well i have two questions. More like one specific question about DMZs and one broad question. Anyway, here's the scenario:<BR><BR>We ...

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.

This chapter introduces the reader to firewall load-balancing (FWLB) concepts, technology, and designs. We will talk about motivations behind FWLB solutions, different types of firewalls, and how to ...

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 ...

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 ...