So unlike static packet filtering (an earlier technology) which examined packets based on the information in their header, stateful inspection can actually track each connection across all interfaces ...

Greetings all,<BR> I was wondering if anyone could help me find a basic packet filtering firewall script that didn't involve nat'ting? I'm still very confused by the iptables setup and have tried ...

Learn how firewalls have progressed from simple packet filtering to more sophisticated application-level filtering. Webopedia.com defines a firewall as “a system designed to prevent unauthorized ...

Floodgate-Packet Filter is an embedded firewall from Icon Labs that allows networked devices to control the packets they process. It protects against potentially malicious attacks by filtering packets ...

When deciding on a firewall implementation, most Unix-savvy administrators have usually chosen to use ipfilter on OpenBSD for their combination of capabilities and stability, as the capabilities of ...

Every self-respecting Linux guru should be familiar with firewalls and how to install and configure them. With this in mind, Linux gurus also should be curious about how firewalls function and how to ...

I'm tired of messing with FreeBSD an Linux trying to get a packet filtering firewall going.<P>So until I figure out anything better, I'll give w2k a whirl. <P>Microsoft has proxy server 2.0, but I'm ...

Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...